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ARS Home » Plains Area » El Reno, Oklahoma » Oklahoma and Central Plains Agricultural Research Center » Livestock, Forage and Pasture Management Research Unit » People & Locations » Brian Northup
Brian K Northup
Livestock, Forage and Pasture Management Research Unit
Research Ecologist

Phone: (405) 262-5291
Fax: (405) 262-0133

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)

Projects
Enhancing Beef Cattle Production and Finishing Systems in the Southern Great Plains
In-House Appropriated (D)
  Accession Number: 442608
Integrated Research to Enhance Forage and Food Production from Southern Great Plains Agroecosystems
In-House Appropriated (D)
  Accession Number: 445628
Increasing Water Productivity, Nutrient Efficiency and Soil Health in Rainfed Food Systems of Semi-Aris Southern Great Plains
Reimbursable Cooperative Agreement (R)
  Accession Number: 437591
Rumen Microbial Communities in Forage-based Beef Stockering and Cow Management Systems in the Southern Great Plains
Non-Assistance Cooperative Agreement (S)
  Accession Number: 442818

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Carbon dioxide fluxes over irrigated and rainfed alfalfa in the Southern Great Plains, USA Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Zhou, Y., Northup, B.K., Moffet, C., Gunter, S.A. 2024. Carbon dioxide fluxes over irrigated and rainfed alfalfa in the Southern Great Plains, USA. European Journal of Agronomy. 159. Article 127265. https://doi.org/10.1016/j.eja.2024.127265.
Influence of weather variability on vegetation dynamics and eddy fluxes in tallgrass prairie - (Abstract Only)
Wagle, P., Northup, B.K., Moffet, C., Gunter, S.A. 2024. Influence of weather variability on vegetation dynamics and eddy fluxes in tallgrass prairie [abstract]. 2024 Ecological Society of America Meeting.
Impact of variable weather on vegetation phenology and Eddy fluxes in tallgrass prairie Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Northup, B.K., Moffet, C., Gunter, S.A. 2024. Impact of variable weather on vegetation phenology and Eddy fluxes in tallgrass prairie. Rangeland Ecology and Management. 94:215-225. https://doi.org/10.1016/j.rama.2024.03.011.
Calibrating Agro-Hydrological Model under Grazing Activities: Challenges and Implications Reprint Icon - (Peer Reviewed Journal)
Nelson, A.M., Maskey, M.L., Northup, B.K., Moriasi, D.N. 2024. Calibrating Agro-Hydrological Model under Grazing Activities: Challenges and Implications. Journal of Hydrology. https://doi.org/10.3390/hydrology11040042.
Moth bean and tepary bean as green nitrogen sources in intensive winter wheat cropping systems Reprint Icon - (Peer Reviewed Journal)
Singh, H., Northup, B.K., Gowda, P., Baath, G.S., Prasad, V.P. 2023. Moth bean and tepary bean as green nitrogen sources in intensive winter wheat cropping systems. Journal of Agriculture and Food Research. 15. Article 100938. https://doi.org/10.1016/j.jafr.2023.100938.
Forage yield and nutritive value of summer legumes as affected by row spacing and harvest timing Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Sarkar, S., Sapkota, B., Flynn, K.C., Northup, B.K., Gowda, P.H. 2023. Forage yield and nutritive value of summer legumes as affected by row spacing and harvest timing. Farming System. https://doi.org/10.1016/j.farsys.2023.100069.
A comparison of FVS, MREA, and CEC methods to partition evapotranspiration in tallgrass prairies - (Abstract Only)
Wagle, P., Raghav, P., Kumar, M., Scanlon, T., Northup, B.K., Moffet, C., Gunter, S.A., Xiao, X. 2023. A comparison of FVS, MREA, and CEC methods to partition evapotranspiration in tallgrass prairies [abstract]. American Geophysical Union. 2023:H13D-06.
Hyperspectral reflectance and machine learning to monitor legumes for feed quality - (Abstract Only)
Simulating water stresses in sorghum-sudangrass production with different nitrogen sources and tillage systems Reprint Icon - (Peer Reviewed Journal)
Sarkar, R., Northup, B.K. 2023. Simulating water stresses in sorghum-sudangrass production with different nitrogen sources and tillage systems. Journal of Soil Science and Plant Nutrition. 23:5759-5780. https://doi.org/10.1007/s42729-023-01438-6.
Partitioning of evapotranspiration in C3-C4 mixed tallgrass prairies using FVS, MREA, and CEC methods - (Abstract Only)
Effect of cutting management on the forage production and quality of tepary bean (Phaseolus acutifolius A. Gray) Reprint Icon - (Peer Reviewed Journal)
Witt, T.W., Northup, B.K., Porch, T.G., Barrera, S., Urrea, C.A. 2023. Effect of cutting management on the forage production and quality of tepary bean (Phaseolus acutifolius A. Gray). Euphytica. 13. Article 12875. https://doi.org/10.1038/s41598-023-39550-3.
Hyperspectral reflectance and machine learning to monitor legume biomass and nitrogen accumulation Reprint Icon - (Peer Reviewed Journal)
Flynn, K.C., Baath, G., Lee, T.O., Gowda, P.H., Northup, B.K. 2023. Hyperspectral reflectance and machine learning to monitor legume biomass and nitrogen accumulation. Computers and Electronics in Agriculture. 211. Article 107991. https://doi.org/10.1016/j.compag.2023.107991.
Forage accumulation and nutritive value of four peanut (Arachis hypogaea L.) market types in the US Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Witt, T.W., Northup, B.K., Ojha, M., Puppala, N. 2023. Forage accumulation and nutritive value of four peanut (Arachis hypogaea L.) market types in the US Southern Great Plains. Legume Science. https://doi.org/10.1002/leg3.198.
Summer pulses as sources of green manure and soil cover in the U.S. Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Baath, G., Sarker, S., Northup, B.K., Sapkota, B., Gowda, P.H., Flynn, K.C. 2023. Summer pulses as sources of green manure and soil cover in the U.S. Southern Great Plains. Agronomy Journal. 2(2):66-74. https://doi.org/10.1016/j.crope.2023.04.001.
Water storage and use efficiencies of rainfed winter wheat-summer green manure systems of the US Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Singh, H., Northup, B.K., Prasad, V. 2023. Water storage and use efficiencies of rainfed winter wheat-summer green manure systems of the US Southern Great Plains. European Journal of Agronomy. 146. Article 126818. https://doi.org/10.1016/j.eja.2023.126818.
Strategies for mitigating greenhouse gas emissions from agricultural ecosystems Reprint Icon - (Book / Chapter)
Singh, H., Prasad, P., Northup, B.K., Ciampitti, I., Rice, C. 2023. Strategies for mitigating greenhouse gas emissions from agricultural ecosystems. In: Ahmed, M. Global Agricultural Production: Resilience to Climate Change. Cham, Switzerland: Springer Cham. p.409-440
Dormant season vegetation phenology and eddy fluxes in native tallgrass prairies of the U.S. Southern Plains Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Kakani, V.G., Gowda, P.H., Xiao, X., Northup, B.K., Neel, J.P., Starks, P.J., Steiner, J.L., Gunter, S. 2022. Dormant season vegetation phenology and eddy fluxes in native tallgrass prairies of the U.S. Southern Plains. Remote Sensing. 14(11). Article 2620. https://doi.org/10.3390/rs14112620.
Flood tolerance and flood loss predictions for tepary bean (Phaseolus acutifolius A. Gray) across the United States Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Witt, T.W., Flynn, K.C., Villavicencio, C., Northup, B.K. 2022. Flood tolerance and flood loss predictions for tepary bean (Phaseolus acutifolius A. Gray) across the United States Southern Great Plains. Agronomy Journal. 1-11. https://doi.org/10.1002/agj2.21084.
Biochar applications influence soil physical and chemical properties, microbial diversity, and crop productivity: a meta-analysis. - (Peer Reviewed Journal)
Singh, H., Northup, B.K., Rice, C.W, Prasad, V. 2022. Biochar applications influence soil physical and chemical properties, microbial diversity, and crop productivity: a meta-analysis. Biochar. 4. Article 8.
Ecosystem-level water use efficiency and evapotranspiration partitioning in Canola - (Abstract Only)
Wagle, P., Gowda, P.H., Northup, B.K., Neel, J.P. 2021. Ecosystem-level water use efficiency and evapotranspiration partitioning in Canola [abstract]. American Geophysical Union Fall Meeting, December 13-17, 2021, New Orleans, Louisana. Available: https://ui.adsabs.harvard.edu/abs/2021AGUFM.B15D1464W/abstract.
Carbon dioxide and water vapor fluxes of multi-purpose winter wheat cropping systems in the U.S. Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P.H., Northup, B.K., Neel, J.P., Starks, P.J., Turner, K.E., Moriasi, D.N. 2021. Carbon dioxide and water vapor fluxes of multi-purpose winter wheat cropping systems in the U.S. Southern Great Plains. Agricultural and Forest Meteorology. 310:108631. https://doi.org/10.1016/j.agrformet.2021.108631.
Grasspea (Lathyrus sativus L.) as a green N source reduces the effects of 2,4 D in susceptile Cotton (Gossypium hirsutum L.) cultivars Reprint Icon - (Peer Reviewed Journal)
Witt, T.W., Northup, B.K., Neel, J.P. 2021. Grasspea (Lathyrus sativus L.) as a green N source reduces the effects of 2,4 D in susceptile Cotton (Gossypium hirsutum L.) cultivars. Crops. 12:1023-1035. https://doi.org/10.4236/ajps.2021.127070.
Linking geospatial information and effects of management to soil quality Reprint Icon - (Peer Reviewed Journal)
Fortuna, A., Steiner, J.L., Moriasi, D.N., Northup, B.K., Starks, P.J. 2021. Linking geospatial information and effects of management to soil quality. Journal of Soil and Water Conservation. https://doi.org/10.2489/jswc.2022.00160.
Evaluation of water use efficiency algorithms for flux variance similarity-based evapotranspiration partitioning in C3 and C4 grain crops Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Skaggs, T.H., Gowda, P.H., Northup, B.K., Neel, J.P., Anderson, R.G. 2021. Evaluation of water use efficiency algorithms for flux variance similarity-based evapotranspiration partitioning in C3 and C4 grain crops. Water Resources Research. 57. Article e2020WR028866. https://doi.org/10.1029/2020WR028866.
Ecosystem-level water use efficiency and evapotranspiration partitioning in conventional till and no-till rainfed canola Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P.H., Northup, B.K., Neel, J.P. 2021. Ecosystem-level water use efficiency and evapotranspiration partitioning in conventional till and no-till rainfed canola. Agricultural Water Management. 250:106825. https://doi.org/10.1016/j.agwat.2021.106825.
Productivity and water use in intensified forage soybean-wheat cropping systems of the US Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Northup, B.K., Rao, S.C., Kakani, V.G. 2021. Productivity and water use in intensified forage soybean-wheat cropping systems of the US Southern Great Plains. Field Crops Research. 265:108086. https://doi.org/10.1016/j.fcr.2021.108086.
N2O emissions from residues of oat and grass pea cover crops cultivated in the US Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Singh, H., Kandel, T.P., Gowda, P.H., Northup, B.K., Kakani, V.G. 2021. N2O emissions from residues of oat and grass pea cover crops cultivated in the US Southern Great Plains. Frontiers in Sustainable Food Systems. 4. Artile 604934. https://doi.org/10.3389/fsufs.2020.604934.
Detecting biophysical characteristics and nitrogen status of finger millet at hyperspectral and multispectral resolutions Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Flynn, K.C., Gowda, P.H., Kakani, V.G., Northup, B.K. 2021. Detecting biophysical characteristics and nitrogen status of finger millet at hyperspectral and multispectral resolutions. Frontiers in Agronomy. 2. Article 604598. https://doi.org/10.3389/fagro.2020.604598.
Quantifying and modeling the influence of temperature on growth and reproductive development of sesame Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Kakani, V.G., Northup, B.K., Gowda, P.H., Rocateli, A.C., Singh, H. 2021. Quantifying and modeling the influence of temperature on growth and reproductive development of sesame. Journal of Plant Growth Regulation. https://doi.org/10.1007/s00344-020-10278-y.
Evaluation of water use efficiency algorithms for flux variance similarity-based evapotranspiration partitioning in C3 and C4 grain groups - (Abstract Only)
Wagle, P., Skaggs, T.H., Gowda, P.H., Northup, B.K., Neel, J.P., Anderson, R.G. 2020. Evaluation of water use efficiency algorithms for flux variance similarity-based evapotranspiration partitioning in C3 and C4 grain groups. American Geophysical Union. https://agu.confex.com/agu/fm20/meetingapp.cgi/Paper/667569.
Effects of diet quality on energy metabolism and methane production by beef steers fed a warm-season grass-based hay diet Reprint Icon - (Peer Reviewed Journal)
Cole, N., Meyer, B.E., Parker, D.B., Neel, J.P., Turner, K.E., Northup, B.K., Jennings, T., Jennings, J. 2020. Effects of forage quality on energy metabolism and methane production by beef steers fed a warm-season grass-based hay diet. Applied Animal Science. 36:652-667. https://doi.org/10.15232/aas.2020-02025.
Use of cover crop forage mixes to enhance: Forage, soil and water quality - (Abstract Only)
Fortuna, A., Starks, P.J., Northup, B.K., Steiner, J.L., Moriasi, D.N. 2022. Use of cover crop forage mixes to enhance: Forage, soil and water quality. Grazinglands Research Laboratory Miscellaneous Publication. 152.1 v6.
Growth and physiological responses of three warm-season legumes to water stress Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Rocateli, A.C., Kakani, V.G., Singh, H., Northup, B.K., Gowda, P.H., Katta, J.R. 2020. Growth and physiological responses of three warm-season legumes to water stress. Scientific Reports. 10:12233. https://doi.org/10.1038/s41598-020-69209-2.
Dynamics of CO2 and H2O fluxes in Johnson grass in the U.S. Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P.H., Billesbach, D., Northup, B.K., Torn, M., Neel, J.P., Biraud, S. 2020. Dynamics of CO2 and H2O fluxes in Johnson grass in the U.S. Southern Great Plains. Science of the Total Environment. 739:140077. https://doi.org/10.1016/j.scitotenv.2020.140077.
Summer forage capabilities of tepary bean and guar in the southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Northup, B.K., Gowda, P.H., Rocateli, A.C., Singh, H. 2020. Summer forage capabilities of tepary bean and guar in the southern Great Plains. Agronomy Journal. 112(4):2879-2890. https://doi.org/10.1002/agj2.20220.
Runoff water quantity and quality data from native tallgrass prairie and crop-livestock systems in Oklahoma between 1977 and 1999 Reprint Icon - (Peer Reviewed Journal)
Nelson, A.M., Moriasi, D.N., Fortuna, A., Steiner, J.L., Starks, P.J., Northup, B.K., Garbrecht, J.D. 2020. Runoff water quantity and quality data from native tallgrass prairie and crop-livestock systems in Oklahoma between 1977 and 1999. Journal of Environmental Quality. https://doi.org/10.1002/jeq2.20075.
Influence of tillage systems, and forms and rates of nitrogen fertilizers on CO2 and N2O fluxes from winter wheat cultivation in Oklahoma Reprint Icon - (Peer Reviewed Journal)
Kandel, T.P., Gowda, P.H., Northup, B.K. 2020. Influence of tillage systems, and forms and rates of nitrogen fertilizers on CO2 and N2O fluxes from winter wheat cultivation in Oklahoma. Agronomy. 10(3):320. https://doi.org/10.3390/agronomy10030320.
Flux variance similarity-based partitioning of evapotranspiration over a rainfed alfalfa field using high frequency eddy covariance data - (Abstract Only)
Wagle, P., Skaggs, T.H., Gowda, P.H., Northup, B.K., Neel, J.P. 2020. Flux variance similarity-based partitioning of evapotranspiration over a rainfed alfalfa field using high frequency eddy covariance data. NAPA Conference 2020 Second Biennial Conference. September 25-28, 2020. Absract No. 104. Available: https://www.napaamericas.org/proceedings.php.
Predicting forage quality of warm-season legumes by Near Infrared Spectroscopy coupled with machine learning techniques Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Baath, H.K., Gowda, P.H., Thomas, J.P., Northup, B.K., Rao, S., Singh, H. 2020. Predicting forage quality of warm-season legumes by Near Infrared Spectroscopy coupled with machine learning techniques. Sensors. 20(3):867. https://doi.org/10.3390/s20030867.
Flux variance similarity-based partitioning of evapotranspiration over a rainfed alfalfa field using high frequency eddy covariance data Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Skaggs, T.H., Gowda, P.H., Northup, B.K., Neel, J.P. 2020. Flux variance similarity-based partitioning of evapotranspiration over a rainfed alfalfa field using high frequency eddy covariance data. Agricultural and Forest Meteorology. Vol. 285-286. https://doi.org/10.1016/j.agrformet.2020.107907.
Integrating eddy fluxes and remote sensing products in a rotational grazing native tallgrass prairie pasture Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P.H., Neel, J.P., Northup, B.K., Zhou, Y. 2020. Integrating eddy fluxes and remote sensing products in a rotational grazing native tallgrass prairie pasture. Science of the Total Environment. 712:136407. https://doi.org/10.1016/j.scitotenv.2019.136407.
Guar responses to temperature: Estimation of cardinal temperatures and photosynthetic parameters Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Kakani, V.G., Gowda, P.H., Rocateli, A.C., Northup, B.K., Singh, H., Katta, J.R. 2019. Guar responses to temperature: Estimation of cardinal temperatures and photosynthetic parameters. Industrial Crops and Products. https://doi.org/10.1016/j.indcrop.2019.111940.
Managing tallgrass prairies for productivity and ecological function: A long-term grazing experiment in the Southern Great Plains, USA Reprint Icon - (Peer Reviewed Journal)
Steiner, J.L., Starks, P.J., Neel, J.P., Northup, B.K., Turner, K.E., Gowda, P.H., Coleman, S., Brown, M.A. 2019. Managing tallgrass prairies for productivity and ecological function: A long-term grazing experiment in the Southern Great Plains, USA. Agronomy. 9(11):699. https://doi.org/10.3390/agronomy9110699.
Response of tallgrass prairie to management in the U.S. Southern Great Plains: Site descriptions, management practices, and eddy covariance instrumentation for a long-term experiment Reprint Icon - (Abstract Only)
Wagle, P., Gowda, P.H., Northup, B.K., Starks, P.J., Neel, J.P. 2020. Response of tallgrass prairie to management in the U.S. Southern Great Plains: site descriptions, management practices, and eddy covariance instrumentation for a long-term experiment [abstract]. American Geophysical Union. https://doi.org/10.1002/essoar.10501817.1.
Managing tallgrass prairies for productivity and ecological function: a long term grazing experiment in the Southern Great Plains, USA - (Abstract Only)
Steiner, J.L., Starks, P.J., Neel, J.P., Northup, B.K., Turner, K.E., Gowda, P.H., Coleman, S., Brown, M., Zhou, Y., Wagle, P., Peterson-Munks, B.L., Xiao, X. 2019. Managing tallgrass prairies for productivity and ecological function: a long term grazing experiment in the Southern Great Plains, USA [abstract]. American Geophysical Union. Available at: https://agu.confex.com/agu/fm19/meetingapp.cgi/Paper/499288.
Greenhouse mitigation strategies for agronomic and grazing lands of the US Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Singh, H., Northup, B.K., Baath, G., Gowda, P.H., Kakani, V.G. 2019. Greenhouse mitigation strategies for agronomic and grazing lands of the US Southern Great Plains. Mitigation and Adaptation Strategies for Global Change. https://doi.org/10.1007/s11027-019-09894-1.
Winter wheat yield and nitrous oxide emissions in response to cowpea-based green manure and nitrogen fertilization Reprint Icon - (Peer Reviewed Journal)
Kandel, T.P., Gowda, P.H., Northup, B.K., Rocateli, A.C. 2019. Winter wheat yield and nitrous oxide emissions in response to cowpea-based green manure and nitrogen fertilization. Experimental Agriculture. 56(2):239-254. https://doi.org/10.1017/S0014479719000334.
Influence of contrasting soil moisture conditions on carbon dioxide and nitrous oxide emissions from terminated green manures Reprint Icon - (Peer Reviewed Journal)
Singh, H., Kandel, T.P., Gowda, P.H., Somenahally, A., Northup, B.K., Kakani, V.G. 2019. Influence of contrasting soil moisture conditions on carbon dioxide and nitrous oxide emissions from terminated green manures. Agrosystems, Geosciences & Environment. 2(1):190012. https://doi.org/10.2134/age2019.03.0012
Response of tallgrass prairie to management in the U.S. Southern Great Plains: Site descriptions, management practices, and eddy covariance instrumentation for a long-term experiment Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P.H., Northup, B.K., Starks, P.J., Neel, J.P. 2019. Response of tallgrass prairie to management in the U.S. Southern Great Plains: Site descriptions, management practices, and eddy covariance instrumentation for a long-term experiment. Remote Sensing. 11(17):1988. https://doi.org/10.3390/rs11171988.
Carbon and water dynamics in co-located winter wheat and canola fields in the U.S. Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P.H., Manjunatha, P., Northup, B.K., Rocateli, A., Taghvaeian, S. 2019. Carbon and water dynamics in co-located winter wheat and canola fields in the U.S. Southern Great Plains. Agricultural and Forest Meteorology. 279:107714. https://doi.org/10.1016/j.agrformet.2019.107714.
Dynamics of evapotranspiration over a non-irrigated alfalfa field in the Southern Great Plains of the United States Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P.H., Northup, B.K. 2019. Dynamics of evapotranspiration over a non-irrigated alfalfa field in the Southern Great Plains of the United States. Agricultural Water Management. 223:105727. https://doi.org/10.1016/j.agwat.2019.105727.
Soil macronutrient responses in diverse landscapes of southern tallgrass to two stocking methods Reprint Icon - (Peer Reviewed Journal)
Northup, B.K., Starks, P.J., Turner, K.E. 2019. Soil macronutrient responses in diverse landscapes of southern tallgrass to two stocking methods. Agronomy. 9(6):329. https://doi.org/10.3390/agronomy9060329.
Stocking methods and soil macronutrient distributions in southern tallgrass paddocks: Are there linkages? Reprint Icon - (Peer Reviewed Journal)
Northup, B.K., Starks, P.J., Turner, K.E. 2019. Stocking methods and soil macronutrient distributions in southern tallgrass paddocks: Are there linkages? Agronomy. 9(6):281. https://doi.org/10.3390/agronomy9060281.
Assessment of the standardized precipitation and evaporation index (SPEI) as a potential management tool for grasslands Reprint Icon - (Peer Reviewed Journal)
Starks, P.J., Steiner, J.L., Neel, J.P., Turner, K.E., Northup, B.K., Gowda, P.H., Brown, M.A. 2019. Assessment of the standardized precipitation and evaporation index (SPEI) as a potential management tool for grasslands. Agronomy. 9(235). https://doi.org/10.3390/agronomy9050235.
Incorporation and harvest management of hairy vetch-based green manure influence nitrous oxide emissions Reprint Icon - (Peer Reviewed Journal)
Kandel, T.P., Gowda, P.H., Northup, B.K., Rocateli, A.C. 2019. Incorporation and harvest management of hairy vetch-based green manure influence nitrous oxide emissions. Renewable Agriculture and Food Systems. https://doi.org/10.1017/S174217051900019X.
Linking geospatial information and effects of land managements to water and soil quality parameters - (Abstract Only)
Soil respiration from winter wheat-based cropping systems in the US Southern Great Plains as influenced by tillage managements Reprint Icon - (Peer Reviewed Journal)
Kandel, T.P., Gowda, P.H., Northup, B.K., Rocateli, A.C. 2019. Soil respiration from winter wheat-based cropping systems in the US Southern Great Plains as influenced by tillage managements. Acta Agriculturae Scandinavica. https://doi.org/10.1080/09064710.2019.1582691.
Impacts of tillage systems, nitrogen fertilizer rates and a legume green manure on light interception and yield of winter wheat Reprint Icon - (Peer Reviewed Journal)
Kandel, T., Gowda, P.H., Northup, B.K., Rocateli, A. 2019. Impacts of tillage systems, nitrogen fertilizer rates and a legume green manure on light interception and yield of winter wheat. Cogent Food & Agriculture. https://doi.org/10.1080/23311932.2019.1580176.
Annual dynamics of carbon dioxide fluxes over a rainfed alfalfa field in the U.S. Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P.H., Northup, B.K. 2018. Annual dynamics of carbon dioxide fluxes over a rainfed alfalfa field in the U.S. Southern Great Plains. Agricultural and Forest Meteorology. 265:208-217. https://doi.org/10.1016/j.agrformet.2018.11.022.
Adaptability and forage characterization of finger millet accessions in U.S. southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Baath, G., Northup, B.K., Gowda, P.H., Rocateli, A.C., Turner, K.E. 2018. Adaptability and forage characterization of finger millet accessions in U.S. southern Great Plains. Agronomy Journal. 177:1-9. https://doi:10.3390/agronomy8090177.
Evspotranspiration in winter wheat under different grazing and tillage practices in the southern great plains - (Abstract Only)
Gowda, P.H., Wagle, P., Manjunatha, P., Northup, B.K., Turner, K.E., Neel, J.P., Steiner, J.L. 2018. Evspotranspiration in winter wheat under different grazing and tillage practices in the southern great plains [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Available at: https://scisoc.confex.com/scisoc/2017am/webprogram/Paper107451.html.
Forage potential of summer annual grain legumes in the southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Northup, B.K., Rocateli, A.C., Gowda, P.H., Neel, J.P. 2018. Forage potential of summer annual grain legumes in the southern Great Plains. Agronomy Journal. 110(6):1-13. https://doi:10.2134/agronj2017.12.0726.
Nitrous oxide emissions as influenced by legume cover crops and nitrogen fertilization Reprint Icon - (Peer Reviewed Journal)
Kandel, T.P., Gowda, P.H., Somenahally, A., Northup, B.K., Dupont, J.I., Rocateli, A.C. 2018. Nitrous oxide emissions as influenced by legume cover crops and nitrogen fertilization. Nutrient Cycling in Agroecosystems. 112(1): 119-131. https://doi.org/10.1007/s10705-018-9936-4(0123456789().,-volV)(0123456789().,-volV).
Carbon dioxide and water vapor fluxes in winter wheat and tallgrass prairie in central Oklahoma Reprint Icon - (Peer Reviewed Journal)
Bajgain, R., Xiao, X., Basara, J., Wagle, P., Zhou, Y., Mahan, H., Gowda, P., Mccarthy, H., Northup, B.K., Neel, J.P., Steiner, J.L. 2018. Carbon dioxide and water vapor fluxes in winter wheat and tallgrass prairie in central Oklahoma. Science of the Total Environment. 644: 1511-1524. https://doi.org/10.1016/j.scitotenv.2018.07.010.
Mothbean: A potential summer crop for the Southern Great Plains Reprint Icon - (Peer Reviewed Journal)
Baath, G.S., Northup, B.K., Gowda, P., Turner, K.E., Rocateli, A.S. 2018. Mothbean: A potential summer crop for the Southern Great Plains. American Journal of Plant Sciences. 9(7):1391-1402. https://doi.org/10.4236/ajps.2018.97101.
Variability in carbon dioxide fluxes among six winter wheat paddocks managed under different tillage and grazing practices Reprint Icon - (Peer Reviewed Journal)
Wagle, P., Gowda, P., Northup, B.K., Turner, K.E., Neel, J.P., Manjunatha, P., Zhou, Y. 2018. Variability in carbon dioxide fluxes among six winter wheat paddocks managed under different tillage and grazing practices. Atmospheric Environment. 185:100-108. https://doi.org/10.1016/j.atmosenv.2018.05.003.
Microbial communities in soil profile are more responsive to legacy effects of wheat-cover crop rotations than tillage systems Reprint Icon - (Peer Reviewed Journal)
Anil, S.C., DuPont, J.I., Brady, J.A., McLawrence, J., Northup, B.K., Gowda, P. 2018. Microbial communities in soil profile are more responsive to legacy effects of wheat-cover crop rotations than tillage systems. Soil Biology and Biochemistry. 123:126-135. https://doi.org/10.1016/j.soilbio.2018.04.025.
Potential summer leguminous crops for forage in the Southern Great Plains - (Abstract Only)
Dynamics of CO2 fluxes and evapotranspiration in till and no-till canola - (Proceedings)
Emissions of CO2 and N2O after termination of legume green manures at contrasting soil moisture conditions - (Proceedings)
Variability in carbon dioxide fluxes among six winter wheat paddocks managed under different tillage and grazing practices - (Abstract Only)
Wagle, P., Gowda, P.H., Northup, B.K., Turner, K.E., Neel, J.P., Steiner, J.L., Manjunatha, P. 2018. Variability in carbon dioxide fluxes among six winter wheat paddocks managed under different tillage and grazing practices [abstract]. Association of Nepalese Agricultural Professionals of America (NAPA)Conference 2018. Available at: http://napaamericas.org/downloads/first-biennial-conference-proceedings-2018.pdf.
Calibration and validation of CSM-CROPGRO-cotton model using lysimeter data in the Texas High Plains - (Peer Reviewed Journal)
Adhikari, P., Gowda, P., Marek, G.W., Brauer, D.K., Kisekka, I., Northup, B.K., Rocatelli, A. 2018. Calibration and validation of CSM-CROPGRO-cotton model using lysimeter data in the Texas High Plains. Journal of Contemporary Water Research and Education. 162: 61-78.
CO2 dynamics in winter wheat and canola under different management practices in the southern Great Plains - (Abstract Only)
Wagle, P., Manjunatha, P., Gowda, P.H., Northup, B.K., Neel, J.P., Turner, K.E., Steiner, J.L. 2017. CO2 dynamics in winter wheat and canola under different management practices in the southern Great Plains [abstract]. American Geophysical Union. Available at: http://adsabs.harvard.edu/abs/2017AGUFM.B11E1703W.
Evapotranspiration in winter wheat under different grazing and tillage practices in the southern Great Plains - (Abstract Only)
Gowda, P., Wagle, P., Manjunatha, P., Northup, B.K., Turner, K.E., Neel, J.P., Steiner, J.L. 2017. Evapotranspiration in winter wheat under different grazing and tillage practices in the southern Great Plains [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Available at: https://scisoc.confex.com/crops/2017am/webprogram/Paper107451.html.
Calibration and validationof DSSAT-CSM using lysimeter data for estimating daily ET in the Texas high plains - (Abstract Only)
Adhikari, P., Gowda, P.H., Marek, G.W., Brauer, D.K., Northup, B.K., Rocateli, A. 2017. Calibration and validationof DSSAT-CSM using lysimeter data for estimating daily ET in the Texas high plains [abstract]. 2017 UCOWR/NIWR Conference, June 13-15, 2018, Fort Collins, Colorado. Session 15, p. 43.
Ecosystem level measurement of methane fluxes over grazed wheat pastures - (Abstract Only)
Growing season variability in carbon dioxide exchange of irrigated and rainfed soybean in the southern United States - (Peer Reviewed Journal)
Wagle, P., Gowda, P., Anapalli, S.S., Northup, B.K., Reddy, K.N. 2017. Growing season variability in carbon dioxide exchange of irrigated and rainfed soybean in the southern United States. Science of the Total Environment. 593-594:263-273.
Influence of forage sorghum systems under different tillage practices on microbial biomass and soil C/N pools - (Abstract Only)
Lokesh, N., Srinivas, N., Dupont, J.I., Somenahally, A., Northup, B.K., Gowda, P. 2016. Influence of forage sorghum systems under different tillage practices on microbial biomass and soil C/N pools[abstract]. ASA-CSSA-SSSA Annual Meeting, Resilience Emerging from Scarcity and Abundance, November 6-9, 2016, Phoenix, Arizona. Available: https://scisoc.confex.com/scisoc/2016am/webprogram/Paper102336.html.
Expanding soil health assessment methods for agricultural systems of the southern great plains - (Abstract Only)
Dupont, J.I., Srinivas, N., Lokesh, N., Somenahally, A., Northup, B.K., Gowda, P. 2016. Expanding soil health assessment methods for agricultural systems of the southern great plains [abstract]. ASA-CSSA-SSSA Annual Meeting, Resilience Emerging from Scarcity and Abundance, November 6-9, 2016, Phoenix, Arizona. Available: https://scisoc.confex.com/scisoc/2016am/webprogram/Paper100633.html.
Assessing soil microbial biomass and communities as an indicator of soil health in wheat systems under different nitrogen and tillage practices - (Abstract Only)
Srinivas, N., Dupont, J.I., Lokesh, N., Somenahally, A., Northup, B.K., Gowda, P. 2016. Assessing soil microbial biomass and communities as an indicator of soil health in wheat systems under different nitrogen and tillage practices [abstract]. ASA-CSSA-SSSA Annual Meeting, Resilience Emerging from Scarcity and Abundance, November 6-9, 2016, Phoenix, Arizona. Available: https://scisoc.confex.com/scisoc/2016am/webprogram/Paper100752.html.
GRL-FLUXNET: A network of eddy covariance systems in the southern great plains - (Abstract Only)
Gowda, P., Steiner, J.L., Wagle, P., Northup, B.K. 2016. GRL-FLUXNET: A network of eddy covariance systems in the southern great plains [abstract]. ASA-CSSA-SSSA Annual Meeting, Resilience Emerging from Scarcity and Abundance, November 6-9, 2016, Phoenix, Arizona. Avaliable: https://scisoc.confex.com/scisoc/2016am/webprogram/Paper101555.html.
Carbon and water vapor fluxes of different ecosystems in Oklahoma - (Abstract Only)
Wagle, P., Gowda, P., Northup, B.K. 2016. Carbon and water vapor fluxes of different ecosystems in Oklahoma [abstract]. American Geophysical Union. Available: https://agu.confex.com/agu/fm16/meetingapp.cgi/Paper/142017.
Eddy covariance measurements of methane fluxes over grazed native and improved prairies in Oklahoma - (Proceedings)
Wagle, P., Gowda, P., Steiner, J.L., Xiao, X., Neel, J.P., Northup, B.K. 2016. Eddy covariance measurements of methane fluxes over grazed native and improved prairies in Oklahoma. Pp. 34-39. In: R.W. Todd and A. Campbell (Eds). Proceedings-Great Plains Grazing Field Research Symposium, 14 June 2016, Oklahoma State University, Stillwater, OK. Available at: https://drive.google.com/file/d/0B5YS3Y9RTDyiQV9IUURWY2NNNW8/view?pref=2&pli=1.
Summer legume 'green' nitrogen crops affect winter wheat forage in continuous rotations - (Trade Journal)
Northup, B.K., Rao, S.C. 2016. Summer legume 'green' nitrogen crops affect winter wheat forage in continuous rotations. Crops and Soils Magazine. doi:10.2134/cs2016-49-1-10edv.
Effects of legume green manures on forage produced in continuous wheat systems - (Peer Reviewed Journal)
Northup, B.K., Rao, S. 2015. Effects of legume green manures on forage produced in continuous wheat systems. Agronomy Journal. 108(1):101-108.
Long Term Agroecosystem Research in the southern plains - (Abstract Only)
Steiner, J.L., Starks, P.J., Garbrecht, J.D., Moriasi, D.N., Bartholomew, P.W., Neel, J.P., Turner, K.E., Northup, B.K. 2015. Long Term Agroecosystem Research in the southern plains. In: Proceedings of the Fifth Interagency Conference on Research in the Watersheds. Headwaters to Estuaries: Advances in Watershed Science Management, March 2-5, 2015, North Charleston, South Carolina. p. 252-254.
Green manures in continuous wheat systems affect grain yield and nitrogen content - (Peer Reviewed Journal)
Northup, B.K., Rao, S.C. 2015. Green manures in continuous wheat systems affect grain yield and nitrogen content. Agronomy Journal. 107(5):1666-1672.
Green manure and forage potential of lablab in the U.S. southern plains - (Peer Reviewed Journal)
Northup, B.K., Rao, S.C. 2015. Green manure and forage potential of lablab in the U.S. southern plains. Agronomy Journal. 107(3):1113-1118.
Green manure and forage potential of lablab in the U.S. Southern Plains - (Abstract Only)
Rao, S.C., Northup, B.K. 2015. Green manure and forage potential of lablab in the U.S. Southern Plains[abstract]. ASA-CSSA-SSSA Annual Meeting, Grand Challenges Great Solutions. November 2-5, 2014, Long Beach, California. Poster Number:755.
Integrated grassland observation sites and integrated cropland observation sites at El Reno, Oklahoma - (Abstract Only)
Ecological catastrophes: threshold responses to climate, soil, and land use drivers of the dust bowl - (Abstract Only)
Peters, S.L., Peters, D.C., Havstad, K.M., Monger, H., Blumenthal, D.M., Derner, J.D., Kronberg, S.L., Northup, B.K., Okin, G.S., Sanderson, M.A. 2013. Ecological catastrophes: threshold responses to climate, soil, and land use drivers of the dust bowl [abstract]. 98th Annual Meeting of the Ecological Society of America. August 4-9, 2013. Minneapolis, MN.
Water used by grazed pigeon pea [Cajanus cajan(L) Millsp] in Oklahoma - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2013. Water use by grazed and ungrazed pigeon pea is similar [Cajanus cajan(L) Millsp] in Oklahoma. Agronomy Journal. 105(2):395-400.
Carbon, water, and heat flux responses to experimental burning and drought in a tallgrass prairie - (Peer Reviewed Journal)
Fisher, M.L., Torn, M.S., Billesbach, D.P., Doyle, G., Northup, B.K., Biraud, S.C. 2012. Carbon, water, and heat flux responses to experimental burning and drought in a tallgrass prairie. Agricultural and Forest Meteorology. 166-167:169-174. DOI:10.1016/j.agrformet.2012.07.011.
Predicting soil bulk density of Oklahoma paddocks with near infrared relectance spectroscopy - (Peer Reviewed Journal)
Comparision of production and n consentration of Indian-origin guar (Cyanoposis Tetragonoloba) lines in Oklahoma - (Abstract Only)
Rao, S.C., Northup, B.K. 2012. Comparision of production and n consentration of Indian-origin guar(Cyanoposis Tetragonoloba) lines in Oklahoma.[abstract] ASA-CSSA-SSSA Annual Meeting Abstracts. Poster Number 703.
Introduced cool-season grasses in diversified systems of forage and feedstock production - (Peer Reviewed Journal)
Near infrared reflectance-based tools for predicting soil chemical properties of Oklahoma grazinglands - (Peer Reviewed Journal)
Northup, B.K., Daniel, J.A. 2012. Near infrared reflectance-based tools for predicting soil chemical properties of Oklahoma grazinglands. Agronomy Journal. 104(4):1122-1129.
Biomass production and quality of indian-origin forage Guar in Southern Great Plains - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2013. Biomass production and quality of indian-origin forage Guar in Southern Great Plains. Agronomy Journal. 105:945-950.
Predicting carbon mass of central Oklahoma soils with near infrared reflectance spectroscopy - (Peer Reviewed Journal)
Grass pea as a nitrogen source for no-till winter wheat and tilled winter wheat - (Research Technical Update)
Pigeon pea potential for summer grazing in the Southern Great Plains - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2011. Pigeon pea potential for summer grazing in the Southern Great Plains. Agronomy Journal. 104(1):199-203.
Performance of new Mediterranean grass pea (Lathyrus Sativum L.) lines in the southern great plains - (Abstract Only)
Rao, S.C., Northup, B.K. 2011. Performance of new Mediterranean grass pea (Lathyrus Sativum L.) lines in the southern great plains. ASA-CSSA-SSSA Annual Meeting Abstracts. 236-3. http://a-c-s.confex.com/crops/2011am/webprogram/Paper64755.html.
Growth and nutritive value of grass pea in Oklahoma - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2011. Growth and nutritive value of grass pea in Oklahoma. Agronomy Journal. 103:1692-1696.
Grass pea as a nitrogen source for continuous no-till winter wheat - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2011. Grass pea as a nitrogen source for continuous no-till winter wheat. Crop Science. 51:1824-1831.
Grass pea (Lathyrus Sativus L.) as a pre-plant N source for continuous conventionally tilled winter wheat - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2011. Grass pea (Lathyrus Sativus L.) as a pre-plant N source for continuous conventionally tilled winter wheat. Crop Science. 51:1-9.
Determining dry matter intake of annual and perennial cool-season grasses harvested as high moisture hay and fed to lambs - (Abstract Only)
Tuthill, C.K., Gorycza, J.T., Phillips, W.A., Northup, B.K. 2010. Determining dry matter intake of annual and perennial cool-season grasses harvested as high moisture hay and fed to lambs. Research Day Abstracts: Regional Universities Research Day. (5):2-5.
Carbon, water, and heat flux responses to experimental burning and drought in a tallgrass prarie. - (Abstract Only)
Fisher, M.L., Torn, M.S., Billesbach, D.P., Doyle, G., Northup, B.K., Biraud, S.C. 2010. Carbon, water, and heat flux responses to experimental burning and drought in a tallgrass prarie.. American Geophysical Union. December 13-17.
Distribution of soil bulk density and organic matter along an elevation gradient in central Oklahoma - (Peer Reviewed Journal)
Northup, B.K., Daniel, J.A., Phillips, W.A. 2010. Distribution of soil bulk density and organic matter along an elevation gradient in central Oklahoma. Transactions of the ASABE. 53(6):1749-1757.
Grass pea (Lthyrus sativum L.) as pre-plant organic fertilizer for conventionally tilled winter wheat: effects on yield and quality - (Abstract Only)
Rao, S.C., Northup, B.K. 2010. Grass pea (Lthyrus sativum L.) as pre-plant organic fertilizer for conventionally tilled winter wheat: effects on yield and quality. American Society of Agronomy Meetings. 82-4.
Distribution of soil bulk density and organic matter along an elevation gradient in central Oklahoma - (Peer Reviewed Journal)
Daniel, J.A., Northup, B.K. 2010. Distribution of soil bulk density and organic matter along an elevation gradient in central Oklahoma. Transactions of the ASABE. 53(6):1749-1757.
Spatial discontinuity in the distribution of soil properties: underlying landscape properties or management - (Abstract Only)
Northup, B.K., Daniel, J.A., Phillips, W.A. 2010. Spatial discontinuity in the distribution of soil properties: underlying landscape properties or management [abstract]. In: Proceedings of the Ecological Society of America, August 1-6, 2010, Pittsburgh, PA. Abstract No. PS 34-84. Available on-line: http://eco.confex.com/eco/2010/techprogram/P25932.htm.
Crude protein and nitrate concentrations of fall forage for stocker cattle: wheat vs perennial cool-season grasses - (Peer Reviewed Journal)
Mackown, C.T., Northup, B.K. 2010. Crude protein and nitrate concentrations of fall forage for stocker cattle: Wheat vs perennial cool-season grasses. Crop Science. 50:2140-2147.
Improving forage quality and availability in the southern Great Plains with grasspea (Lathyrus sativus L.) - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2009. Improving forage quality and availability in the southern Great Plains with grasspea (Lathyrus sativus L.). Grain Legumes. 54:22-23.
Water use by four warm-season legumes in the Southern Great Plains - (Abstract Only)
Rao, S.C., Northup, B.K. 2009. Water use by four warm-season legumes in the Southern Great Plains. ASA-CSSA-SSSA Annual Meeting Abstracts, November 1-5, 2009, Pittsburgh, PA. CD-ROM.
Dry Matter Intake and Digestion of Perennial and Annual Cool-Season Grasses by Sheep - (Peer Reviewed Journal)
Phillips, W.A., Northup, B.K., Venuto, B.C. 2009. Dry matter intake and digestion of perennial and annual cool-season grasses by sheep. Professional Animal Scientist. 25:610-618.
Water Use by Five Warm-Season Legumes in the Southern Great Plains - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2009. Water use by five warm-season legumes in the Southern Great Plains. Crop Science. 49:2317-2323.
Does long-term pasture management influence spatial distribution of soil characteristics in Oklahoma - (Abstract Only)
Northup, B.K., Daniel, J.A., Phillips, W.A. 2009. Does long-term pasture management influence spatial distribution of soil characteristics in Oklahoma [abstract]. In: Proceedings of the Ecological Society of America Annual Meeting, August 2-7, 2009, Albuquerque, NM. Abstract No. PS 34-123. Available on-line: http://eco.confex.com/eco/2009/techprogram/p20305.htm
Sequence Grazing of Perennial and Annual Cool-Season Grasses to Extend the Grazing Season for Stocker Calves - (Abstract Only)
Northup, B.K., Phillips, W.A., Hopkins, A.A. 2009. Sequence Grazing of Perennial and Annual Cool-Season Grasses to Extend the Grazing Season for Stocker Calves. J. Anima. Sci. Vol. 87,E-Suppl.2 pg. 575.
Capabilities of four novel warm-season legumes in the southern Great Plains: biomass and forage quality - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2009. Capabilities of four novel warm-season legumes in the southern Great Plains: Biomass and forage quality. Crop Science. 49:1096-1102.
Capabilities of four novel warm-season legumes in the southern Great Plains: grain production and quality - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2009. Capabilities of four novel warm-season legumes in the southern Great Plains: Grain production and quality. Crop Science. 49:1103-1108.
Natural Resources Research Update: Grass Pea: Importance of Planting Date and Their Value When Inter-seeded with Bermudagrass - (Research Technical Update)
Rao, S.C., Northup, B.K., Phillips, W.A. 2009. Natural Resources Research Update: Grass Pea: Importance of planting date and their value when inter-seeded with bermudagrass. Update #236853. Available: NRRU.update@ars.usda.gov.
Performance of hyacinth bean (Lablab purpureus (L.) in the southern Great Plains - (Abstract Only)
Rao, S.C., Northup, B.K. 2008. Performance of hyacinth bean (Lablab purpureus (L.) in the southern Great Plains. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting, October 5-9, 2008, Houston, TX. CD-ROM.
Crude protein and nitrate concentrations of fall forage for stocker cattle: wheat vs. perennial cool-season grasses - (Abstract Only)
Mackown, C.T., Northup, B.K. 2008. Crude protein and nitrate concentrations of fall forage for stocker cattle: wheat vs. perennial cool-season grasses [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts, October 5-9, 2008, Houston, TX. 2008 CD-ROM.
Management effects on soil characteristics of two pasture types in Oklahoma - (Abstract Only)
Northup, B.K., Daniel, J.A., Phillips, W.A. 2008. Management effects on soil characteristics of two pasture types in Oklahoma [abstract]. In: Proceedings of the Soil and Water Conservation Society, Farming with Grass: Achieving Sustainable Mixed Agricultural Landscapes in Grasslands Environments, October 20-22, 2008, Oklahoma City, OK. Available on-line:http://www.swcs.org/en/publications/farming_with_grass/.
Management effects on the distribution of soil characteristics of two pasture types in Oklahoma - (Abstract Only)
Challenges and Opportunities for Forage Based Beef Cattle Production Systems - (Proceedings)
Phillips, W.A., Horn, G.W., Northup, B.K., Damron, W.S. 2009. Challenges and Opportunities for Forage Based Beef Cattle Production Systems. Meeting Proceedings. In Farming with Grass. Achieving sustainable Mixes Agricultural Lanscapes, ed. A.J. Fran luebbers p. 37-42. Ankeny, IA.
Forage-based systems for beef and dairy cattle production: Challenges and opportunities in the South Central region - (Abstract Only)
Phillips, W.A., Northup, B.K., Horn, G.W. 2008. Forage-based systems for beef and dairy cattle production: Challenges and opportunities in the South Central region. American Society of Animal Science. Vol. 86. pg 310.
Planting Date Affects Production and Quality of Grass Pea Forage. - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2008. Planting date affects production and quality of grass pea rorage. Crop Science. 48:1629-1635.
Impact of substituting perennial cool-season grasses for winter wheat on stocker performance - (Abstract Only)
Phillips, W.A., Northup, B.K., Venuto, B.C., Horn, G.W. 2008. Impact of substituting perennial cool-season grasses for winter wheat on stocker performance [abstract]. American Society of Animal Science Southern Section Meeting. 86(1):15.
Grazinglands Research Laboratory (GRL) - (Government Publication)
Northup, B.K. 2011. Grazinglands Research Laboratory (GRL). EcoTrends. Available: https://www.ecotrends.info/EcoTrends/.
Forage and Grain Soybean Effects on Soil Water Content and Use Efficiency - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K. 2008. Forage and grain soybean effects on soil water content and use efficiency. Crop Science. 48:789-793.
Effects of Planting Date on Biomass Production by Grass pea (Lathyrus sativus L.). - (Abstract Only)
Rao, S.C., Northup, B.K. 2008. Effects of Planting Date on Biomass Production by Grass pea (Lathyrus sativus L.).. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting. Crop Science. Vol. 48. p 1629-1635.
Do elevated nitrate concentrations in wheat forage affect performance of fall stocker cattle - (Abstract Only)
Mackown, C.T., Phillips, W.A., Northup, B.K. 2007. Do elevated nitrate concentrations in wheat forage affect performance of fall stocker cattle [abstract]. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting, November 4-8, 2007, New Orleans, LA. 2007 CD-ROM.
INTENSIVE SHORT DURATION GRAZING OF FESCUE PASTURES TO EXTEND THE GRAZING SEASON OF WINTER WHEAT - (Abstract Only)
Phillips, W.A., Northup, B.K., Venuto, B.C. 2007. Intensive short duration grazing of fescue pastures to extend the grazing season of winter wheat. Journal of Animal Science.85(1):498-499
IMPROVING PRODUCTIVITY OF WINTER WHEAT-STOCKER CALF ENTERPRISES BY INCLUDING PERENNIAL COOL-SEASON GRASSES - (Proceedings)
Northup, B.K., Phillips, W.A., Mayeux Jr, H.S. 2007. Improving productivity of winter wheat-stocker calf enterprises by including perennial cool-season grasses. Proceedings of the National Conference on Grazing Lands. p. 257-260.
Improving productivity of winter wheat-stocker calf enterprises by including perennial cool-season grasses - (Abstract Only)
Northup, B.K., Phillips, W.A., Mayeux Jr, H.S. 2007. Improving productivity of winter wheat-stocker calf enterprises by including perennial cool-season grasses [abstract]. In: Proceedings of the National Conference on Grazing Lands: Grazinglands, Gateway to Success, December 10-13, 2006, St. Louis, MO. p. 257.
IMPROVING FORAGE PRODUCTION IN BERMUDA GRASS PADDOCKS WITH NOVEL COOL-SEASON ANNUAL LEGUMES. - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K., Phillips, W.A., Mayeux Jr, H.S. 2007. Improving forage production in bermuda grass paddocks with novel cool-season annual legumes. Crop Science. 47:168-173.
Soil water distribution and water use efficiency of forage and grain soybeans in the southern Great Plains - (Abstract Only)
Rao, S.C., Northup, B.K., Mayeux Jr, H.S. 2006. Soil water distribution and water use efficiency of forage and grain soybeans in the southern Great Plains. American Society of Agronomy Abstracts. CD-ROM.
MANAGEMENT TOOLS TO INCREASE THE EFFICIENCY AND PRODUCTIVITY OF WINTER WHEAT STOCKER ENTERPRISES. - (Abstract Only)
Phillips, W.A., Northup, B.K., Mayeux Jr, H.S. 2007. Management tools to increase the efficiency and productivity of winter wheat stocker enterprises. Proceedings of the National Conference on Grazing Lands. 498.
MANAGEMENT TOOLS TO INCREASE THE EFFICIENCY OF WINTER WHEAT-STOCKER ENTERPRISES - (Proceedings)
Phillips, W.A., Northup, B.K., Mayeux Jr, H.S. 2007. Management tools to increase the efficiency of winter wheat-stocker enterprises. Proceedings 3rd National Conference on Grazing Lands. 253-526.
INFLUENCE OF SUMMER MANAGEMENT PRACTICES OF GRAZED WHEAT PASTURES ON RUNOFF AND NUTRIENTS - (Peer Reviewed Journal)
Daniel, J.A., Phillips, W.A., Northup, B.K. 2006. Influence of summer management practices of grazed wheat pastures on runoff and nutrients. Transactions of the ASABE. 40(2):349-355.
Available above-ground plant biomass for the water resources and erosion watershed at Fort Reno, OK; December 1998 to November 2002 - (Other)
Daniel, J.A., Northup, B.K. 2006. Available above-ground plant biomass for the water resources and erosion watershed at Fort Reno, OK; December 1998 to November 2002. Grazinglands Research Laboratory Publication Series 1-06. p. 1-17.
DRY MATTER INTAKE AND DIGESTIBILITY OF ANNUAL AND PERENNIAL COOL SEASON GRASSES FED TO LAMBS AS HIGH MOISTURE HAY - (Abstract Only)
Farris, C.D., Phillips, W.A., Horn, G.W., Northup, B.K., Mayeux, H.S. 2006. Dry matter intake and digestibility of annual and perennial cool season grasses fed to lambs as high moisture hay [abstract]. Proceeding of American Society of Animal Science, Southern Section Meeting, February 4-8, 2006, Orlando, Florida. p. 2.
USING COOL-SEASON LEGUMES TO EXTEND THE FORAGE PRODUCTION SEASON OF BERMUDAGRASS PASTURES IN THE SOUTHERN PLAINS. - (Abstract Only)
Rao, S.C., Northup, B.K., Phillips, W.A., Mayeux, H.S. 2005. Using cool-season legumes to extend the forage production season of bermudagrass pastures in the southern plains [abstract]. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting. Paper No. 3172.
PERFORMANCE OF FORAGE SOYBEANS IN THE SOUTHERN GREAT PLAINS - (Peer Reviewed Journal)
Rao, S.C., Mayeux, H.S., Northup, B.K. 2005. Performance of forage soybeans in the southern great plains. Crop Science. 45:1973-1977.
THE ROLE OF GRASS TUSSOCKS IN MAINTAINING SOIL CONDITION IN NORTH EAST AUSTRALIA - (Proceedings)
Northup, B.K., Brown,J.R. 2005. The role of grass tussocks in maintaining soil condition in north east Australia. Proceedings of a Satellite Workshop of the XXth International Grassland Congress. July 2005. p.71.
CANDIDATE COOL-SEASON LEGUMES FOR FILLING FORAGE DEFICIT PERIODS IN THE SOUTHERN GREAT PLAINS - (Peer Reviewed Journal)
Rao, S.C., Northup, B.K., Mayeux, H.S. 2005. Candidate cool-season legumes for filling forage deficit periods in the Southern Great Plains. Crop Science. 45:2068-2074.
GRAZE-OUT PLUS: FILLING FORAGE GAPS IN THE SOUTHERN GREAT PLAINS, U.S.A. - (Proceedings)
Northup, B.K., Phillips, W.A., Mayeux, H.S. 2005. Graze-out plus: Filling forage gaps in the Southern Great Plains, U.S.A. [abstract]. Proceedings of the 20th International Grassland Congress, June 26-July 1, 2005, Dublin, Ireland. p. 716.
A MODIFIED FORAGE SYSTEM FOR STOCKER PRODUCTION IN THE SOUTHERN GREAT PLAINS, U.S.A. - (Proceedings)
Northup, B.K., Phillips, W.A., Mayeux, H.S. 2005. A modified forage system for stocker production in the Southern Great Plains, U.S.A. [abstract]. Proceedings of the 20th International Grassland Congress, June 26-July 1, 2005, Dublin, Ireland. p. 469.
THE IMPORTANCE OF GRASS TUSSOCKS IN MAINTAINING SOIL CONDITION IN NORTHEASTERN AUSTRALIA - (Proceedings)
Northup, B.K., Brown, J.R. 2005. The role of grass tussocks in maintaining soil condition in northeastern Australia [abstract]. Proceedings of the 20th International Grassland Congress, June 26-July 1, 2005, Dublin, Ireland. p. 71.
PREDICTING SOIL CHARACTERISTICS OF OKLAHOMA PASTURE WITH NEAR INFRARED REFLECTANCE SPECTROSCOPY (NIRS) - (Abstract Only)
Northup, B.K., Daniel, J.A., Carson, L.B. 2005. Predicting soil characteristics of Oklahoma pasture with near infrared reflectance spectroscopy (NIRS) [abstract]. Society for Range Management, 58th Annual Meeting and Trade Show, February 5-11, 2005, Fort Worth, Texas. 2005 CDROM.
GRAZING IMPACTS ON SPATIAL DISTRIBUTION OF SOIL AND HERBACEOUS CHARACTERISTICS IN AN AUSTRALIAN TROPICAL WOODLAND - (Peer Reviewed Journal)
Northup, B.K., Brown, J.R., Ash, A.J. 2005. Grazing impacts on spatial distribution of soil and herbaceous characteristics in an Australian tropical woodland. Agroforestry Systems. 65(2):137-150.
SPATIAL VARIABILITY AND RELATIONSHIPS AMONG SOIL AND FORAGE TRAITS IN A PERENNIAL COOL-SEASON GRASS PASTURE - (Abstract Only)
Radford, A.R., Mackown, C.T., Slagell-Gossen, R., Northup, B.K. 2004. Spatial variability and relationships among soil and forage traits in a perennial cool-season grass pasture. Proceedings of the Oklahoma Academy of Science. 84:88.
DISTRIBUTION OF SOIL RESOURCES IN GRAZED AND CULTIVATED PADDOCKS OF CENTRAL OKLAHOMA - (Abstract Only)
Northup, B.K., Daniel, J.A., Mayeux, H.S. 2005. Distribution of soil resources in grazed and cultivated paddocks of central Oklahoma. Society for Range Management, 58th Annual Meeting and Trade Show, February 5-11, 2005, Fort Worth, Texas. 2005 CDROM.
GRASSPEA-POTENTIAL FORAGE AND GRAIN FOR SOUTHERN GREAT PLAINS - (Abstract Only)
Rao, S.C., Northup, B.K. 2004. Grasspea-potential forage and grain for Southern Great Plains [abstract]. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting. Paper No. 3545.
ABOVEGROUND BIOMASS, C AND N CONTENTS OF WOODY SPECIES IN A SUBTROPICAL THORNSCRUB PARKLAND - (Peer Reviewed Journal)
Northup, B.K., Zitzer, S.F., Archer, S.A., McMurtry, C.R., Boutton, T.W. 2004. Aboveground biomass, C and N contents of woody species in a subtropical thornscrub parkland. Journal of Arid Environments. 62(1):23-43.
PREDICTING SOIL CHARACTERISTICS WITH NEAR INFRARED REFLECTANCE SPECTROSCOPY (NIRS) - (Abstract Only)
Carson, L.B., Northup, B.K., Daniel, J.A. 2004. Predicting soil characteristics with near infrared reflectance spectroscopy (NIRS)[abstract]. Research Day Abstracts: Regional Universities Research Day. Paper No. S-238.
NEW MATH FOR STOCKING NATIVE TALL-GRASS PRAIRIE - (Popular Publication)
Phillips, W.A., Northup, B.K., Mayeux, H.S., Daniel, J.A. 2004. New math for stocking native tall-grass prairie. The Forage Leader. 9(3):12-13.
MICRO-PATCH AND COMMUNITY SCALE SPATIAL DISTRIBUTION OF HERBACEOUS COVER IN A GRAZED NORTH AUSTRALIAN GRASSLAND - (Peer Reviewed Journal)
Northup, B.K., Dias, C.D., Brown, J.R., Skelly, W.C. 2004. Micro-patch and community scale spatial distribution of herbaceous cover in a grazed north Australian grassland. Journal of Arid Environments. 60(3):510-530.
MICRO-PATCH AND COMMUNITY SCALE SPATIAL DISTRIBUTION OF HERBACEOUS COVER IN A GRAZED EUCALYPT WOODLAND - (Peer Reviewed Journal)
Northup, B.K., Dias, C.D., Brown, J.R., Skelly, W.C. 2005. Micro-patch and community scale spatial distribution of herbaceous cover in a grazed eucalypt woodland. Journal of Arid Environments. 60(3):509-530.
INTERACTIONS AMONG WESTERN RAGWEED AND OTHER SANDHILLS SPECIES AFTER DROUGHT - (Peer Reviewed Journal)
Reece, P.E., Brummer, J.E., Northup, B.K., Koehler, A.E., Moser, L.E. 2004. Interactions among western ragweed and other sandhills species after drought. Journal of Range Management. 57(6):583-589.
A CASE STUDY IN MANAGING TALLGRASS PRAIRIE: GRAZING AND CLIMATE EFFECTS ON PLANT COMMUNITIES - (Abstract Only)
Northup, B.K., Phillips, W.A., Daniel, J.A., Mayeux, H.S. 2003. A case study in managing tallgrass prairie: Grazing and climate effects on plant communities [abstract]. Proceedings of the National Conference on Grazing Lands. p. 834.
SPATIAL PATTERNS IN USE OF BERMUDAGRASS PASTURE BY YEARLING HEIFERS: BEHAVIORS AND REASONS - (Abstract Only)
Pedro, A.F., Northup, B.K., Brown, M.A., Biles, C.A., Dawkins, D. 2003. Spatial patterns in use of Bermuda grass pasture by yearling heifers: Behaviors and reasons [abstract]. Research Day Abstracts: Regional Universities Research Day. Abstract No. S-317. p. 98.
UTILIZATION OF BERMUDAGRASS (CYNODON DACTYLON) PASTURES BY YEARLING HEIFERS: BEHAVIORS, PATTERNS AND REASONS - (Abstract Only)
Pedro, A.F., Northup, B.K., Brown, M.A., Biles, C.A., Dawkins, D. 2003. Utilization of Bermudagrass (Cynodon dactylon) pastures by yearling heifers: Behaviors, patterns and reasons [abstract]. Annual Biomedical Research Conference for Minority Students. Paper No. E150. p. 344.
EARLY INTENSIVE GRAZING OF NATIVE RANGELANDS - (Proceedings)
Phillips, W.A., Northup, B.K., Mayeux, H.S., Daniel, J.A. 2003. Early intensive grazing of native rangelands. Proceedings of the Oklahoma Grazinglands Conservation Association Conference. pp. 1-9.
ASSESSING THE POTENTIAL UTILIZATION OF A TALLGRASS PADDOCK WITH INDICATOR KRIGING - (Abstract Only)
Northup, B.K. 2004. Assessing the potential utilization of a tallgrass paddock with indicator kriging [abstract]. Society for Range Management. p. 152.
IMPRESSIONS OF THE 7TH INTERNATIONAL RANGELAND CONGRESS AND SOUTH AFRICA - (Trade Journal)
Northup, B.K. 2003. Impressions of the 7th International Rangeland Congress and South Africa. Rangeland Wire 12(4):2-3.
MANAGING SOUTHERN TALLGRASS PRAIRIE: CASE STUDIES ON GRAZING AND CLIMATIC EFFECTS - (Proceedings)
Northup, B.K., Phillips, W.A., Daniel, J.A., Mayeux, H.S. 2004. Managing southern tallgrass prairie: Case studies on grazing and climatic effects. Proceedings of the National Conference on Grazing Lands. pp. 834-840.
PERFORMANCE AND ECONOMIC RETURNS OF STOCKER CATTLE ON TALLGRASS PRAIRIE UNDER DIFFERENT GRAZING MANAGEMENT STRATEGIES - (Peer Reviewed Journal)
Phillips, W.A., Northup, B.K., Mayeux, H.S., Daniel, J.A. 2003. Performance and economic returns of stocker cattle on tallgrass prairie under different grazing management strategies. Professional Animal Scientist. 19:416-423.
PERFORMANCE AND ECONOMIC RETURNS OF STOCKER CATTLE ON TALLGRASS PRAIRIE UNDER SEASON-LONG OR INTENSIVE EARLY STOCKING GRAZING MANAGEMENT - (Abstract Only)
Phillips, W.A., Northup, B.K., Mayeux, H.S., Daniel, J.A. 2004. Performance and economic returns of stocker cattle on tallgrass prairie under season-long or intensive early stocking grazing management [abstract]. Proceedings of the National Conference on Grazing Lands. p. 806.
ESTIMATING FORAGE PRODUCTION OF A TALLGRASS PRAIRIE WITH MEASURE OF TILLER DEVELOPMENT BY KEY GRASSES - (Proceedings)
NORTHUP, B.K. 2003. ESTIMATING FORAGE PRODUCTION OF A TALLGRASS PRAIRIE WITH MEASURE OF TILLER DEVELOPMENT BY KEY GRASSES. INTERNATIONAL RANGELAND CONGRESS. p. 742-744.
USING VARIABILITY TO IDENTIFY POTENTIAL STATE AND TRANSITION STAGES OF TROPICAL TALLGRASS SITES IN NORTHEAST AUSTRALIA - (Proceedings)
Northup, B.K., Brown, J.R., Ash, A.J. 2003. Using variability to identify potential state and transition stages of tropical tallgrass sites in northeast australia. African Journal of Range and Forest Science. v. 20. Abstract p. 124.
LITTLE BLUESTEM [SCHIZACHYRIUM SCOPARIUM (MICHX.) NASH]: USEFUL FORAGE FOR GRAZING ANIMALS IN CENTRAL OKLAHOMA? - (Abstract Only)
NORTHUP, B.K., PEDRO, A. LITTLE BLUESTEM [SCHIZACHYRIUM SCOPARIUM (MICHX.) NASH]: 2003. USEFUL FORAGE FOR GRAZING ANIMALS IN CENTRAL OKLAHOMA? RANGE MANAGEMENT MEETING PROCEEDINGS. Abstract No. 192.
THE EFFECTS OF CLIMATE AND MANAGEMENT ON FORAGE PRODUCED BY A SOUTHERN TALLGRASS PRAIRIE - (Abstract Only)
NORTHUP, B.K., SCHNEIDER, J.M., DANIEL, J.A. 2002. THE EFFECTS OF CLIMATE AND MANAGEMENT ON FORAGE PRODUCED BY A SOUTHERN TALLGRASS PRAIRIE. PROCEEDINGS OF THE CONFERENCE ON BIOMETEOROLOGY AND AEROBIOLOGY. p. 332-336.
THE EFFECTS OF MANAGEMENT AND PRECIPITATION ON FORAGE COMPOSITION OF A SOUTHERN TALLGRASS PRAIRIE. - (Proceedings)
NORTHUP, B.K., SCHNEIDER, J.M., DANIEL, J.A. 2002. THE EFFECTS OF MANAGEMENT AND PRECIPITATION ON FORAGE COMPOSITION OF A SOUTHERN TALLGRASS PRAIRIE. Available from: http://ams.confex.com/ams/15BioAero/techprogram/paper_49656.htm Proceedings of the American Meterological Society 15th Conference on Biometereology/aerobiology.
SPATIAL VARIABILITY AND RELATIONSHIPS AMONG SELECTED SOIL AND FORAGE TRAITS IN A WINTER WHEAT PASTURE - (Abstract Only)
GRESSETT, J.A., MACKOWN, C.T., NORTHUP, B.K., SLAGELL-GOSSEN, R. SPATIAL VARIABILITY AND RELATIONSHIPS AMONG SELECTED SOIL AND FORAGE TRAITS IN A WINTER WHEAT PASTURE. OKLAHOMA ACADEMY OF SCIENCE PROCEEDINGS. 2002. v. 82. p. 117.
SPATIAL VARIABILITY OF WINTER WHEAT PASTURE AT THE ONSET OF GRAZING - (Abstract Only)
MACKOWN, C.T., NORTHUP, B.K., GRESSETT, J.A. SPATIAL VARIABILITY OF WINTER WHEAT PASTURE AT THE ONSET OF GRAZING. CD-ROM. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting. 2002. Abstract No. C06-mackown202815-Poster.
USING VARIABILITY TO IDENTIFY POTENTIAL STATE AND TRANSITION STAGES OF A TROPICAL TALLGRASS SITE IN NORTHEAST AUSTRALIA - (Abstract Only)
Northup, B.K., Brown, J.R., Ash, A.J. 2003. Using variability to identify potential state and transition stages of a tropical tallgrass site in northeast Australia [abstract]. International Rangeland Congress. v. 20. Paper No. B1.25.
PREDICTING FORAGE QUALITY OF TWO WARM-SEASON GRASSES WITH NEAR INFRARED REFLECTANCE SPECTROSCOPY - (Abstract Only)
PEDRO, A., NORTHUP, B.K. 2002. PREDICTING FORAGE QUALITY OF TWO WARM-SEASON GRASSES WITH NEAR INFRARED REFLECTANCE SPECTROSCOPY. RESEARCH DAY ABSTRACTS: REGIONAL UNIVERSITIES RESEARCH DAY. Abstact p. 81-82.
ESTIMATING FORAGE PRODUCTION OF A TALLGRASS PRAIRIE WITH MEASURES OF TILLER DEVELOPMENT BY KEY GRASSES - (Abstract Only)
NORTHUP, B.K. ESTIMATING FORAGE PRODUCTION OF A TALLGRASS PRAIRIE WITH MEASURES OF TILLER DEVELOPMENT BY KEY GRASSES. INTERNATIONAL RANGELAND CONGRESS. 2002. V. 20. p. B1.24.
MORPHOLOGICAL AND CHEMICAL CHARACTERISTICS OF SOUTH TEXAS SHRUBS AFFECT INTAKE RATE OF GOATS - (Abstract Only)
ZIMMERMAN, E.E., STUTH, J.W., NORTHUP, B.K., TOLLESON, D.R. MORPHOLOGICAL AND CHEMICAL CHARACTERISTICS OF SOUTH TEXAS SHRUBS AFFECT INTAKE RATE OF GOATS. JOURNAL OF ANIMAL SCIENCE. 2002. v. 80(Suppl. 2). Abstract. p. 27.
HOW SEASON AND SOIL MOISTURE AFFECT FORAGE PRODUCTION BY TALLGRASS PRAIRIE - (Trade Journal)
NORTHUP, B.K. 2001. HOW SEASON AND SOIL MOISTURE AFFECT FORAGE PRODUCTION BY TALLGRASS PRAIRIE. SOCIETY FOR RANGE MANAGEMENT OKLAHOMA SECTION NEWSLETTER. v. 10(4). p. 3-4.
SPATIAL VARIABILITY IN THE PRODUCTION OF HERBACEOUS BIOMASS BY A SOUTHERN TALLGRASS PRAIRIE IN OKLAHOMA - (Abstract Only)
NORTHUP, B.K. SPATIAL VARIABILITY IN THE PRODUCTION OF HERBACEOUS BIOMASS BY A SOUTHERN TALLGRASS PRAIRIE IN OKLAHOMA. RANGE MANAGEMENT MEETING PROCEEDINGS. 2002. Abstract. p. 189.
GRAZING IMPACTS ON LANDSCAPE CONDITION OF A TROPICAL TALLGRASS SITE IN NORTHEAST QUEENSLAND, AUSTRALIA - (Abstract Only)
NORTHUP, B.K., BROWN, J.R. GRAZING IMPACTS ON LANDSCAPE CONDITION OF A TROPICAL TALLGRASS SITE IN NORTHEAST QUEENSLAND, AUSTRALIA. PROCEEDINGS SOUTHWESTERN ASSOCIATION OF NATURALISTS ANNUAL MEETING. 2001. p.2045-2047.
IMPACT OF GROWING CONDITIONS ON TILLER DEVELOPMENT OF TWO WARM-SEASON GRASSES IN SOUTHERN TALLGRASS PRAIRIE (OKLAHOMA) - (Abstract Only)
NORTHUP, B.K. IMPACT OF GROWING CONDITIONS ON TILLER DEVELOPMENT OF TWO WARM-SEASON GRASSES IN SOUTHERN TALLGRASS PRAIRIE (OKLAHOMA). PROCEEDINGS SOUTHWESTERN ASSOCIATION OF NATURALISTS ANNUAL MEETING. 2001. p. 742-744.
GRAZING IMPACTS ON SOIL MICROBIAL BIOMASS AND A TUSSOCK GRASS SPECIES IN A DRY TROPICAL WOODLAND, AUSTRALIA - (Peer Reviewed Journal)
THE CAPACITY OF NEAR INFRAARED REFLECTANCE SPECTROSCOPY (NIRS) TO PREDICT FORAGE QUALITY PARAMETERS OF TWO WARM-SEASON GRASSES. - (Abstract Only)
Pedro, A., Northup, B.K. 2000. The capacity of near infraared reflectance spectroscopy (NIRS) to predict forage quality parameters of two warm-season grasses. Biomedical Materials Research. PP. 266-267.
IMPACT OF CLIMATE AND MANAGEMENT ON SPECIES COMPOSITION OF SOUTHERN TALLGRASS PRAIRIE IN OKLAHOMA - (Proceedings)
Northup, B.K., Daniel, J.A. 2000. Impact of climate and management on species composition of southern tallgrass prairie in Oklahoma. Proceedings of the National Conference on Grazing Lands, December 5-8, 2000, Las Vegas, NV. pp. 693-700.
USING A HYDROPONICS SYSTEM TO QUANTIFY DEFOLIATION RESPONSES OF TUSSOCK GRASSES - (Peer Reviewed Journal)
IMPACTS OF GROWING CONDITIONS AND TILLER DEVELOPMENT ON ABOVEGROUND PRIMARY PRODUCTION IN A SOUTHERN TALLGRASS PRAIRIE, OKLAHOMA - (Abstract Only)
NORTHUP, B.K. IMPACTS OF GROWING CONDITIONS AND TILLER DEVELOPMENT ON ABOVEGROUND PRIMARY PRODUCTION IN A SOUTHERN TALLGRASS PRAIRIE, OKLAHOMA. SOCIETY FOR RANGE MANAGEMENT MEETING PROCEEDINGS. 2001. p. 2-3.
UTILIZATION OF FORBS AND SHRUBS OF SAND HILLS RANGELAND BY YEARLING CATTLE - (Peer Reviewed Journal)
IMPACT OF CLIMATE AND MANAGEMENT ON SPECIES COMPOSITION OF SOUTHERN TALLGRASS PRAIRIE, OKLAHOMA - (Abstract Only)
Northup, B.K., Daniel, J.A. 2000. Impact of climate and management on species composition of southern tallgrass prairie, Oklahoma. Proceedings of the National Conference on Grazing Lands. pp. 693-700.
A TECHNIQUE FOR NEAR-GROUND REMOTE SENSING OF HERBACEOUS VEGETATION IN TROPICAL WOODLANDS - (Peer Reviewed Journal)
NORTHUP, B.K., BROWN, J.R., DIAS, C.D., SKELLY, W.C., RADFORD, B. A. 1999. TECHNIQUE FOR NEAR-GROUND REMOTE SENSING OF HERBACEOUS VEGETATION IN TROPICAL WOODLANDS. THE RANGELAND JOURNAL. v. 21(2). p. 229-243.
GRAZING IMPACTS ON THE SPATIAL DISTRIBUTION OF SOIL MICROBIAL BIOMASS AROUND TUSSOCK GRASSES IN A TROPICAL GRASSLAND - (Peer Reviewed Journal)
NORTHUP, B.K., BROWN, J.R., HOLT, J.A. 1999. GRAZING IMPACTS ON THE SPATIAL DISTRIBUTION OF SOIL MICROBIAL BIOMASS AROUND TUSSOCK GRASSES IN A TROPICAL GRASSLAND. APPLIED SOIL ECOLOGY. v. 13(3). p. 259-270.
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