Research Project: Improving the Sustainability of Irrigated Farming Systems in Semi-Arid Regions

Location: Water Management and Systems Research

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Estimating maize plant height using a crop surface model constructed from UAV RGB images - (Peer Reviewed Journal)
Niu, Y., Han, W., Zhang, H., Zhang, L., Chen, H. 2024. Estimating maize plant height using a crop surface model constructed from UAV RGB images. Biosystems Engineering. 241:56-67. https://doi.org/10.1016/j.biosystemseng.2024.04.003.

Further investigating the performance of crop water stress index for maize from baseline fluctuation, effects of environmental factors, and variation of critical value - (Peer Reviewed Journal)
Zhang, L., Zhang, H., Zhu, Q., Niu, Y. 2023. Further investigating the performance of crop water stress index for maize from baseline fluctuation, effects of environmental factors, and variation of critical value. Agricultural Water Management. 285. Article e108349. https://doi.org/10.1016/j.agwat.2023.108349.

Crop type mapping using time-series Sentinel-2 imagery and U-Net in early growth periods in the Hetao irrigation district in China - (Peer Reviewed Journal)
Li, G., Cui, J., Han, W., Zhang, H., Huang, S., Chen, P., Ao, J. 2022. Crop type mapping using time-series Sentinel-2 imagery and U-Net in early growth periods in the Hetao irrigation district in China. Computers and Electronics in Agriculture. 203. Article e107478. https://doi.org/10.1016/j.compag.2022.107478.

Evaluating maize evapotranspiration using high-resolution UAV-based imagery and FAO-56 dual crop coefficient approach - (Peer Reviewed Journal)
Zhang, Y., Han, W., Zhang, H., Niu, X., Shao, G. 2022. Evaluating maize evapotranspiration using high-resolution UAV-based imagery and FAO-56 dual crop coefficient approach. Agricultural Water Management. 275. Article e108004. https://doi.org/10.1016/j.agwat.2022.108004.

Two source energy balance maize evapotranspiration estimates using close-canopy mobile infrared sensors and upscaling methods under variable water stress conditions - (Peer Reviewed Journal)
Katimbo, A., Rudnick, D.R., Liang, W., DeJonge, K.C., Lo, T.H., Franz, T., Ge, Y., Qiao, X., Kabenge, I., Nakabuye, H., Duan, J. 2022. Two source energy balance maize evapotranspiration estimates using close-canopy mobile infrared sensors and upscaling methods under variable water stress conditions. Agricultural Water Management. 274. Article e107972. https://doi.org/10.1016/j.agwat.2022.107972.

Coordination of photosynthetic traits across soil and climate gradients - (Peer Reviewed Journal)
Westerband, A.C., Wright, I.J., Maire, V., Paillassa, J., Prentice, I.C., Atkin, O., Bloomfield, K.J., Cernusak, L., Dong, N., Gleason, S.M., Pereira, C.G., Lambers, H., Leishman, M.R., Malhi, Y., Nolan, R.H. 2022. Coordination of photosynthetic traits across soil and climate gradients. Global Change Biology. 29(3):856-873. https://doi.org/10.1111/gcb.16501.

Real-time irrigation scheduling of maize using Degrees Above Non-Stressed (DANS) index in semi-arid environment - (Peer Reviewed Journal)
Nakabuye, H.N., Rudnick, D., DeJonge, K.C., Lo, T.H., Heeren, D., Qiao, X., Franz, T.E., Katimbo, A., Duan, J. 2022. Real-time irrigation scheduling of maize using Degrees Above Non-Stressed (DANS) index in semi-arid environment. Agricultural Water Management. 279. Article e107957. https://doi.org/10.1016/j.agwat.2022.107957.

Estimating soil salinity under sunflower cover in the Hetao Irrigation District based on UAV remote sensing - (Peer Reviewed Journal)
Cui, X., Han, W., Zhang, H., Cui, J., Ma, W., Zhang, L., Li, G. 2023. Estimating soil salinity under sunflower cover in the Hetao Irrigation District based on UAV remote sensing. Land Degradation and Development. 34(1):84-97. https://doi.org/10.1002/ldr.4445.

Estimation of transpiration coefficient and aboveground biomass in maize using time-series UAV multispectral imagery - (Peer Reviewed Journal)
Shao, G., Han, W., Zhang, H., Wang, Y., Zhang, L., Niu, Y., Zhang, Y., Cao, P. 2022. Estimation of transpiration coefficient and aboveground biomass in maize using time-series UAV multispectral imagery. The Crop Journal. 10(5):1376-1385. https://doi.org/10.1016/j.cj.2022.08.001.

Functional xylem characteristics associated with drought-induced embolism in angiosperms - (Peer Reviewed Journal)
Lens, F., Gleason, S.M., Bortolami, G., Brodersen, C., Delzon, S., Jansen, S. 2022. Functional xylem characteristics associated with drought-induced embolism in angiosperms. New Phytologist. 236(6):2019-2036. https://doi.org/10.1111/nph.18447.

Physiological trait networks enhance understanding of crop growth and water use in contrasting environments - (Peer Reviewed Journal)
Gleason, S.M., Barnard, D.M., Green, T.R., Mackay, D.S., Wang, D.R., Ainsworth, E.A., Altenhofen, J., Banks, G.T., Brodribb, T.J., Cochard, H., Comas, L.H., Cooper, M., Creek, D., DeJonge, K.C., Delzon, S., Fritschi, F.B., Hammer, G., Hunter, C., Lombardozzi, D., Messina, C.D., Ocheltree, T., Stevens, B.M., Stewart, J.J., Vadez, V., Wenz, J.A., Wright, I.J., Zhang, H. 2022. Physiological trait networks enhance understanding of crop growth and water use in contrasting environments. Plant, Cell & Environment. 45(9):2554-2572. https://doi.org/10.1111/pce.14382.

Leaf nitrogen from the perspective of optimal plant function - (Peer Reviewed Journal)
Dong, N., Prentice, I.C., Wright, I.J., Wang, H., Atkin, O.K., Bloomfield, K.J., Domingues, T., Gleason, S.M., Maire, V., Onoda, Y., Poorter, H., Smith, N.G. 2022. Leaf nitrogen from the perspective of optimal plant function. Journal of Ecology. 110(11):2585-2602. https://doi.org/10.1111/1365-2745.13967.

Age dependent partitioning patterns of essential nutrients induced by copper feeding status in leaves and stems of poplar - (Peer Reviewed Journal)
Hunter, C., Stewart, J.J., Gleason, S.M., Pilon, M. 2022. Age dependent partitioning patterns of essential nutrients induced by copper feeding status in leaves and stems of poplar. Frontiers in Plant Science. 13. Article e930344. https://doi.org/10.3389/fpls.2022.930344.

Optimizing soil moisture sensor depth for irrigation management using universal multiple linear regression - (Peer Reviewed Journal)
Clutter, M., DeJonge, K.C. 2022. Optimizing soil moisture sensor depth for irrigation management using universal multiple linear regression. Journal of the ASABE. 65(4):739-749. https://doi.org/10.13031/ja.15044.

Optimizing dryland farm productivity using relationships among crop water use, planting density, and yield performance - (Abstract Only)
Dewey, C., Schneekloth, J., Schipanski, M., Comas, L.H. 2022. Optimizing dryland farm productivity using relationships among crop water use, planting density, and yield performance. In: Student Showcase. 42nd Annual AGU Hydrology Days, April 25-27, 2022, Fort Collins, Colorado. p. 36.

Recovery after deficiency: Systemic copper prioritization and partitioning in the leaves and stems of hybrid poplar - (Peer Reviewed Journal)
Hunter, C., Ware, M.A., Gleason, S.M., Pilon-Smits, E., Pilon, M. 2022. Recovery after deficiency: Systemic copper prioritization and partitioning in the leaves and stems of hybrid poplar. Tree Physiology. Article etpac038. https://doi.org/10.1093/treephys/tpac038.

Using infrared thermometry to schedule irrigation with limited water - (Abstract Only)

Deficit irrigation impacts on greenhouse gas emissions under drip-fertigated maize in the Great Plains of Colorado - (Peer Reviewed Journal)
Flynn, N.E., Stewart, C.E., Comas, L.H., Del Grosso, S.J., Schnarr, C., Schipanski, M., Von Fischer, J.C., Stuchiner, E.R., Fonte, S.J. 2022. Deficit irrigation impacts on greenhouse gas emissions under drip-fertigated maize in the Great Plains of Colorado. Journal of Environmental Quality. 51(5):877-889. https://doi.org/10.1002/jeq2.20353.

Crop water stress index computation approaches and their sensitivity to soil water dynamics - (Peer Reviewed Journal)
Katimbo, A., Rudnick, D.R., DeJonge, K.C., Lo, T.H., Qiao, X., Franz, T., Nakabuye, H.N., Duan, J. 2022. Crop water stress index computation approaches and their sensitivity to soil water dynamics. Agricultural Water Management. 266. Article e107575. https://doi.org/10.1016/j.agwat.2022.107575.

Effects of image spatial resolution and statistical scale on water stress estimation performance of MGDEXG: A new crop water stress indicator derived from RGB images - (Peer Reviewed Journal)
Zhang, L., Zhang, H., Han, W., Niu, Y., Chávez, J.L., Ma, W. 2022. Effects of image spatial resolution and statistical scale on water stress estimation performance of MGDEXG: A new crop water stress indicator derived from RGB images. Agricultural Water Management. 264. Article e107506. https://doi.org/10.1016/j.agwat.2022.107506.

Explaining water security indicators using hydrologic and agricultural systems models - (Peer Reviewed Journal)
Veettil, A.V., Mishra, A.K., Green, T.R. 2022. Explaining water security indicators using hydrologic and agricultural systems models. Journal of Hydrology. 607. Article e127463. https://doi.org/10.1016/j.jhydrol.2022.127463.

Printed organic electrochemical transistors for detecting nutrients in whole plant sap - (Peer Reviewed Journal)
Strand, E.J., Bihar, E., Gleason, S.M., Han, S., Schreiber, S.W., Renny, M.N., Malliaras, G.G., McLeod, R.R., Whiting, G.L. 2021. Printed organic electrochemical transistors for detecting nutrients in whole plant sap. Science and Technology of Advanced Materials. 8(4). Article e2100853. https://doi.org/10.1002/aelm.202100853.

An optimized surface aerodynamic temperature approach to estimate maize sensible heat flux and evapotranspiration - (Peer Reviewed Journal)
Costa-Filho, E., Chávez, J.L., Zhang, H., Andales, A.A. 2021. An optimized surface aerodynamic temperature approach to estimate maize sensible heat flux and evapotranspiration. Agricultural and Forest Meteorology. 311. Article e108683. https://doi.org/10.1016/j.agrformet.2021.108683.

Estimating fractional vegetation cover of maize under water stress from UAV multispectral imagery using machine learning algorithms - (Peer Reviewed Journal)
Niu, Y., Han, W., Zhang, H., Zhang, L., Chen, H. 2021. Estimating fractional vegetation cover of maize under water stress from UAV multispectral imagery using machine learning algorithms. Computers and Electronics in Agriculture. 189. Article e106414. https://doi.org/10.1016/j.compag.2021.106414.

Plant strategies for maximizing growth during water stress and subsequent recovery in Solanum melongena L. (eggplant) - (Peer Reviewed Journal)
Delfin, E.F., Drobnitch, S.T., Comas, L.H. 2021. Plant strategies for maximizing growth during water stress and subsequent recovery in Solanum melongena L. (eggplant). PLoS ONE. 16(9). Article e0256342. https://doi.org/10.1371/journal.pone.0256342.

AusTraits, a curated plant trait database for the Australian flora - (Peer Reviewed Journal)
Flaster, D., Gallagher, R., Wenk, E., Wright, I., Indiarto, D., Lawson, J., Allen, S., Gleason, S.M., Blackman, C.J. 2021. AusTraits, a curated plant trait database for the Australian flora. Scientific Data. 8. Article e254. https://doi.org/10.1038/s41597-021-01006-6.

Evapotranspiration and water stress coefficient for deficit-irrigated maize - (Peer Reviewed Journal)
Trout, T.J., DeJonge, K.C. 2021. Evapotranspiration and water stress coefficient for deficit-irrigated maize. American Society of Civil Engineers Journal of Irrigation and Drainage. 147(10). https://doi.org/10.1061/(ASCE)IR.1943-4774.0001600.

Evaluating the sensitivity of water stressed maize chlorophyll and structure based on UAV derived vegetation indices - (Peer Reviewed Journal)
Zhang, L., Han, W., Niu, Y., Chávez, J.L., Li, G., Sho, G., Zhang, H. 2021. Evaluating the sensitivity of water stressed maize chlorophyll and structure based on UAV derived vegetation indices. Computers and Electronics in Agriculture. 185. Article e106174. https://doi.org/10.1016/j.compag.2021.106174.

Mapping maize crop coefficient Kc using random forest algorithm based on leaf area index and UAV-based multispectral vegetation indices - (Peer Reviewed Journal)
Shao, G., Han, W., Zhang, H., Liu, S., Wang, Y., Zhang, L., Cui, X. 2021. Mapping maize crop coefficient Kc using random forest algorithm based on leaf area index and UAV-based multispectral vegetation indices. Agricultural Water Management. 252. Article e106906. https://doi.org/10.1016/j.agwat.2021.106906.

Grazing effects on bovine-associated and background fecal indicator bacteria levels in edge-of-field runoff - (Peer Reviewed Journal)
Wagner, K.L., Gentry, T.J., Harmel, R.D., Pope, E.C., Redmon, L.A. 2021. Grazing effects on bovine-associated and background fecal indicator bacteria levels in edge-of-field runoff. Water. 13(7). Article e928. https://doi.org/10.3390/w13070928.

Root anatomy - (Peer Reviewed Journal)
Zadworny, M., Comas, L.H., Bagniewska-Zadworna, A. 2021. Root anatomy. New Phytologist. 232(3):1028-1037. https://doi.org/10.1111/nph.17572.

Root spatial distribution - (Peer Reviewed Journal)
Mommer, L., Comas, L.H., Weigelt, A. 2021. Root spatial distribution. New Phytologist. 232(3):1017-1021. https://doi.org/10.1111/nph.17572.

Growth and grain yield of eight maize hybrids are aligned with water transport, stomatal conductance, and photosynthesis in a semi-arid irrigated system - (Peer Reviewed Journal)
Gleason, S.M., Nalezny, L.A., Hunter, C., Comas, L.H., Bensen, R., Chintamanani, S. 2021. Growth and grain yield of eight maize hybrids are aligned with water transport, stomatal conductance, and photosynthesis in a semi-arid irrigated system. Physiologia Plantarum. 172(4):1941-1949. https://doi.org/10.1111/ppl.13400.

The mean value of gaussian distribution of excess green index: A new crop water stress indicator - (Peer Reviewed Journal)
Zhang, L., Zhang, H., Han, W., Niu, Y., Chávez, J.L., Ma, W. 2021. The mean value of gaussian distribution of excess green index: A new crop water stress indicator. Agricultural Water Management. 251. Article e106866. https://doi.org/10.1016/j.agwat.2021.106866.

A fixed-threshold method for estimating fractional vegetation cover of maize under different levels of water stress - (Peer Reviewed Journal)
Niu, Y., Zhang, H., Wenting, H., Zhang, L. 2021. A fixed-threshold method for estimating fractional vegetation cover of maize under different levels of water stress. Remote Sensing. 13(5). Article e1009. https://doi.org/10.3390/rs13051009.

Modeling maize production under growth-stage based deficit irrigation management with RZQWM2 - (Peer Reviewed Journal)
Zhang, H., Ma, L., Douglas-Mankin, K.R., Han, M., Trout, T.J. 2021. Modeling maize production under growth-stage based deficit irrigation management with RZQWM2. Agricultural Water Management. 248. Article e106767. https://doi.org/10.1016/j.agwat.2021.106767.

Drought-induced root pressure in Sorghum bicolor - (Peer Reviewed Journal)
Drobnitch, S.T., Comas, L.H., Flynn, N.E., Ibarra De Caballero, J., Barton, R.W., Wenz, J.A., Person, T., Bushey, J.A., Jahn, C.E., Gleason, S.M. 2021. Drought-induced root pressure in Sorghum bicolor. Frontiers in Plant Science. 12. Article e571072. https://doi.org/10.3389/fpls.2021.571072.

Using nutrient transport data to characterize and identify the presence of surface inlets in regions with subsurface drainage - (Peer Reviewed Journal)
Flores, L., Bailey, R.T., Harmel, R.D. 2021. Using nutrient transport data to characterize and identify the presence of surface inlets in regions with subsurface drainage. Journal of Environmental Quality. 50(2):396-404. https://doi.org/10.1002/jeq2.20188.

Fusion of deep convolution and shallow features to recognize the severity of wheat fusarium head blight - (Peer Reviewed Journal)
Zhang, D., Wang, D., Zhang, H., Zhang, J., Liang, D., Gu, C. 2021. Fusion of deep convolution and shallow features to recognize the severity of wheat fusarium head blight. Frontiers in Plant Science. 11. Article e599886. https://doi.org/10.3389/fpls.2020.599886.

Simulated deficit irrigation and climate change effects on sunflower production in Eastern Colorado with CSM-CROPGRO-Sunflower in RZWQM2 - (Peer Reviewed Journal)
Zhang, J., Zhang, H., Sima, M.W., Trout, T.J., Malone, R.W., Wang, L. 2020. Simulated deficit irrigation and climate change effects on sunflower production in Eastern Colorado with CSM-CROPGRO-Sunflower in RZWQM2. Agricultural Water Management. 246. Article e106672. https://doi.org/10.1016/j.agwat.2020.106672.

Deficit irrigation drives maize root distribution and soil microbial communities with implications for soil carbon dynamics - (Peer Reviewed Journal)
Flynn, N.E., Comas, L.H., Stewart, C.E., Fonte, S.J. 2020. Deficit irrigation drives maize root distribution and soil microbial communities with implications for soil carbon dynamics. Soil Science Society of America Journal. 85(2):412-422. https://doi.org/10.1002/saj2.20201.

Utilizing digital image processing and two-source energy balance model for the estimation of evapotranspiration of dry edible beans in western Nebraska - (Peer Reviewed Journal)
Liang, W., Qiao, X., Possignolo, I., Irmak, S., Heeren, D., Rudnick, D., DeJonge, K.C. 2021. Utilizing digital image processing and two-source energy balance model for the estimation of evapotranspiration of dry edible beans in western Nebraska. Irrigation Science. 39:617-631. https://doi.org/10.1007/s00271-021-00721-7.

Water limitation reveals local adaptation and plasticity in the drought tolerance strategies of Bouteloua gracilis - (Peer Reviewed Journal)
Bushey, J.A., Hoffman, A.M., Gleason, S.M., Smith, M.D., Ocheltree, T.W. 2023. Water limitation reveals local adaptation and plasticity in the drought tolerance strategies of Bouteloua gracilis. Ecosphere. 14(1). Article e4335. https://doi.org/10.1002/ecs2.4335.

Root traits as drivers of plant and ecosystem functioning: Current understanding, pitfalls and future research needs - (Peer Reviewed Journal)
Freschet, G.T., Roumet, C., Comas, L.H., Weemstra, M., Bengough, A., Rewald, B., Bardgett, R.D., De Deyn, G.B., Johnson, D., Klimešová, J., Lukac, M., McCormack, L.M., Meier, I.C., Pagès, L., Poorter, H., Prieto, I., Wurzburger, N., Zadworny, M., Bagniewska-Zadworna, A., Blancaflor, E.B., Brunner, I., Gessler, A., Hobbie, S.E., Iversen, C.M., Mommer, L., Picon-Cochard, C., Postma, J.A., Rose, L., Ryser, P., Scherer-Lorenzen, M., Soudzilovskaia, N.A., Sun, T., Valverde-Barrantes, O.J., Weigelt, A., York, L.M., Stokes, A. 2020. Root traits as drivers of plant and ecosystem functioning: Current understanding, pitfalls and future research needs. New Phytologist. https://doi.org/10.1111/nph.17072.

Increasing axial parenchyma fraction allowed for the improvement of hydraulic efficiency during the evolution of Malagasy Magnoliids - (Peer Reviewed Journal)
Aritsara, A., Razakandrainibe, V.M., Ramananantoandro, T., Gleason, S.M., Cao, K. 2020. Increasing axial parenchyma fraction allowed for the improvement of hydraulic efficiency during the evolution of Malagasy Magnoliids. New Phytologist. 229(3):1467-1480. https://doi.org/10.1111/nph.16969.

Wood day capacitance is related to water content, wood density, and anatomy across 30 temperate tree species - (Peer Reviewed Journal)
Zieminska, K., Rosa, E., Gleason, S.M., Holbrook, N.M. 2020. Wood day capacitance is related to water content, wood density, and anatomy across 30 temperate tree species. New Phytologist. 43(12):3048-3067. https://doi.org/10.1111/pce.13891.

Weak tradeoff between xylem hydraulic efficiency and safety: Climatic seasonality matters - (Peer Reviewed Journal)
Liu, H., Gleason, S.M., He, P., Ye, Q. 2020. Weak tradeoff between xylem hydraulic efficiency and safety: Climatic seasonality matters. New Phytologist. 229(3):1440-1452. https://doi.org/10.1111/nph.16940.

Plant hydraulic mechanisms underlie greater productivity under drought in grain crops - (Abstract Only)

Seedling regeneration techniques affect root systems and the response of Quercus robur seedlings to water shortages - (Peer Reviewed Journal)
Zadworny, M., Mucha, J., Jagodzinski, A.M., Koscielniak, P., Lakomy, P., Modrzejewski, M., Ufnalski, K., Zytkowiak, R., Comas, L.H., Rodríguez-Calcerrada, J. 2020. Seedling regeneration techniques affect root systems and the response of Quercus robur seedlings to water shortages. Forest Ecology and Management. 479. Article e118552. https://doi.org/10.1016/j.foreco.2020.118552.

What do you mean “functional” in ecology? Patterns versus processes - (Peer Reviewed Journal)
Volaire, F., Gleason, S.M., Delzon, S. 2020. What do you mean “functional” in ecology? Patterns versus processes. Ecology and Evolution. 10(21):11875-11885. https://doi.org/10.1002/ece3.6781.

A starting guide to root ecology: Strengthening ecological concepts and standardizing root classification, sampling, processing and trait measurements - (Pre-print Publication)
Freschet, G., Pagès, L., Iversen, C., Comas, L.H., Rewald, B. 2020. A starting guide to root ecology: Strengthening ecological concepts and standardizing root classification, sampling, processing and trait measurements. HAL. 2020. hal-02918834

Leaf manganese concentrations as a tool to assess belowground plant functioning in phosphorus-impoverished environments - (Peer Reviewed Journal)
Lambers, H., Wright, I.J., Pereria, C., Bellingham, P., Bentley, L.P., Cernusak, L.A., Foulds, W., Gleason, S.M., Gray, E.F., Hayes, P.E., Kooyman, R., Malhi, Y., Read, J., Richardson, S.J., Shane, M.W., Staudinger, C., Stock, W.D., Swarts, N.D., Turner, B.L., Turner, J., Wasaki, J., Westoby, M. 2020. Leaf manganese concentrations as a tool to assess belowground plant functioning in phosphorus-impoverished environments. Plant and Soil. 461:43-61. https://doi.org/10.1007/s11104-020-04690-2.

Tip-to-base xylem conduit widening as an adaptation: Causes, consequences, and empirical priorities - (Peer Reviewed Journal)
Olson, M.E., Anfodillo, T., Gleason, S.M., McCulloh, K.A. 2020. Tip-to-base xylem conduit widening as an adaptation: Causes, consequences, and empirical priorities. New Phytologist. 229(4):1877-1893. https://doi.org/10.1111/nph.16961.

Loss and recovery of leaf hydraulic conductance: Root pressure, embolism, and extra-xylary resistance - (Peer Reviewed Journal)
Ocheltree, T.W., Gleason, S.M., Jiang, G., Cao, K. 2020. Loss and recovery of leaf hydraulic conductance: Root pressure, embolism, and extra-xylary resistance. Journal of Plant Hydraulics. 7. Article e001. https://doi.org/10.20870/jph.2020.e-001.

Comparison of water stress coefficient using three alternative canopy temperature-based indices - (Peer Reviewed Journal)
Zhang, H., Zhang, L., Niu, Y., Han, M., Yemoto, K.K. 2020. Comparison of water stress coefficient using three alternative canopy temperature-based indices. International Journal of Precision Agricultural Aviation (IJPAA). 3(2):28-34. https://doi.org//10.33440/j.ijpaa.20200302.78.

Maize differences in soil moisture changes and canopy temperature under varying water × nitrogen treatments - (Peer Reviewed Journal)
Lo, T.H., Rudnick, D.R., DeJonge, K.C., Bai, G., Nakabuye, H.N., Katimbo, A., Ge, Y., Franz, T.E., Qiao, X., Heeren, D.M. 2020. Maize differences in soil moisture changes and canopy temperature under varying water × nitrogen treatments. Irrigation Science. 38:519-534. https://doi.org/10.1007/s00271-020-00683-2.

Options for optimizing limited on-farm irrigation in the Northern Great Plains - (Popular Publication)
Comas, L.H., Gleason, S.M., Trout, T.J., Altenhofen, J., Zhang, H., DeJonge, K.C., Douglas-Mankin, K.R. 2020. Options for optimizing limited on-farm irrigation in the Northern Great Plains. Colorado Water Magazine. 37(2):10-11. Available: https://watercenter.colostate.edu/wp-content/uploads/sites/33/2020/07/ColoradoWater_V37-2.pdf.

Measuring root flow rate as a surrogate for root pressure - (Peer Reviewed Journal)
Comas, L.H., Gleason, S.M., Drobnitch, S.T. 2020. Measuring root flow rate as a surrogate for root pressure. Acta Horticulturae. 1300:147-152. https://doi.org/10.17660/ActaHortic.2020.1300.19.

A vision for water-limited agroecological systems research - (Abstract Only)
Douglas-Mankin, K.R., Barnard, D.M., Comas, L.H., DeJonge, K.C., Gleason, S.M., Green, T.R., Zhang, H. 2020. A vision for water-limited agroecological systems research. Meeting Abstract.

Integration of spectroscopy and image for identifying fusarium damage in wheat kernels - (Peer Reviewed Journal)
Zhang, D., Chen, G., Zhang, H., Gu, C., Wang, Q., Chen, Y. 2020. Comprehensive analysis of fusarium head blight in wheat kernel using hyperspectral spectrum and image. Spectrochimica Acta. 236. https://doi.org/10.1016/j.saa.2020.118344.

The apples and oranges of reference and potential evapotranspiration: Implications for agroecosystem models - (Peer Reviewed Journal)
DeJonge, K.C., Thorp, K.R., Marek, G.W. 2020. The apples and oranges of reference and potential evapotranspiration: Implications for agroecosystem models. Agricultural and Environmental Letters. 5(1). https://doi.org/10.1002/ael2.20011.

Determining maize water stress through a remote sensing based surface energy balance approach - (Peer Reviewed Journal)
Costa Filho, E., Chavez, J.L., Comas, L.H. 2020. Determining maize water stress through a remote sensing based surface energy balance approach. Irrigation Science. https://doi.org/10.1007/s00271-020-00668-1.

Research at the limited irrigation research farm, USDA-ARS - (Abstract Only)

Plant hydraulic mechanisms underlie greater productivity under drought in grain crops. - (Abstract Only)
Comas, L.H., Drobnitch, S.T., Gleason, S.M. 2020. Plant hydraulic mechanisms underlie greater productivity under drought in grain crops [abstract]. Interdrought VI Conference.

Global water security: Current research and priorities for action - (Peer Reviewed Journal)
Ale, S., Harmel, R.D., Nejadhashemi, P.A., DeJonge, K.C., Irmak, S., Chaubey, I., Douglas-Mankin, K.R. 2020. Global water security: Current research and priorities for action. Transactions of the ASABE. https://doi.org/10.13031/trans.13839.

Perspectives on global water security - (Other)
Harmel, R.D., Chaubey, I., Ale, S., Nejadhashemi, A., Irmak, S., DeJonge, K.C., Evett, S.R., Barnes, E.M., Catley-Carlson, M., Hunt, S., Mani, I. 2020. Perspectives on global water security. Transactions of the ASABE. https://doi.org/10.13031/trans.13524.

Unmanned aerial system-based remote sensing applications at the Northern Colorado Limited Irrigation Research Farm - (Peer Reviewed Journal)
Zhang, H., Yemoto, K.K. 2019. Unmanned aerial system-based remote sensing applications at the Northern Colorado Limited Irrigation Research Farm. International Journal of Precision Agricultural Aviation (IJPAA). 2(2):1–10. https://doi.org//10.33440/j.ijpaa.20190202.50.

Growing-season temperature and precipitation are independent drivers of global variation in xylem hydraulic conductivity - (Peer Reviewed Journal)
He, P., Gleason, S.M., Wright, I., Weng, E., Liu, H., Zhu, S., Lu, M., Luo, Q., Li, R., Wu, G., Yan, E., Song, Y., Mi, X., Hao, G., Reich, P.B., Wang, Y., Ellsworth, D.S., Ye, Q. 2019. Growing-season temperature and precipitation are independent drivers of global variation in xylem hydraulic conductivity. Global Change Biology. 00:1-9. https://doi.org/10.1111/gcb.14929.

Winter wheat mapping based on Sentinel-2 data in heterogeneous planting conditions - (Peer Reviewed Journal)
Zhang, D., Fang, S., She, B., Zhang, H., Jin Ning, Xia, H., Yang, Y., Ding, Y. 2019. Winter wheat mapping based on Sentinel-2 data in heterogeneous planting conditions. Remote Sensing. 11(22):2647. https://doi.org/10.3390/rs11222647.

Simplified field radiometric validation method for UAV acquired spectral imaging - (Abstract Only)

Canopy temperature bias from soil variability enhanced at high temperatures - (Peer Reviewed Journal)
DeJonge, K.C., Zhang, H., Taghvaeian, S., Trout, T.J. 2020. Canopy temperature bias from soil variability enhanced at high temperatures. Transactions of the ASABE. https://doi.org/10.13031/trans.13554.

Limited irrigation management strategies - (Abstract Only)

Extracting maize canopy temperature based on unmanned aerial vehicle thermal and RGB imagery and its application to water stress monitoring - (Peer Reviewed Journal)
Zhang, L., Niu, Y., Zhang, H., Han, W., Li, G., Tang, J., Peng, X. 2019. Extracting maize canopy temperature based on unmanned aerial vehicle thermal and RGB imagery and its application to water stress monitoring. Frontiers in Plant Science. 10:1270. https://doi.org/10.3389/fpls.2019.01270.

An Economic and Biophysical Model of Deficit Irrigation - (Peer Reviewed Journal)
Trout, T.J., Manning, D. 2019. An Economic and Biophysical Model of Deficit Irrigation. Agronomy Journal. 111(6):3182-3193. https://doi.org/10.2134/agronj2019.03.0209.

Response of maize yield components to growth stage-based deficit irrigation - (Peer Reviewed Journal)
Zhang, H., Han, M., Comas, L.H., DeJonge, K.C., Gleason, S.M., Trout, T.J., Ma, L. 2019. Response of maize yield components to growth stage-based deficit irrigation. Agronomy Journal. 111:14-9. https://doi.org/10.2134/agronj2019.03.0214.

Water transport from stem to stomata: The coordination of hydraulic and gas exchange traits across 33 subtropical woody species - (Peer Reviewed Journal)
Liu, X., Liu, H., Gleason, S.M., Zhu, S., He, P., Hou, H., Li, R., Ye, Q. 2019. Water transport from stem to stomata: The coordination of hydraulic and gas exchange traits across 33 subtropical woody species. Tree Physiology. 39(10):1665-1674. https://doi.org/10.1093/treephys/tpz076.

Plant hydraulic mechanisms related to increased productivity under drought in maize and sorghum. - (Abstract Only)
Comas, L.H., Drobnitch, S., Gleason, S.M., Trippe III, R.C. 2019. Plant hydraulic mechanisms related to increased productivity under drought in maize and sorghum [abstract]. International Conference on Integrative Plant Physiology. 2019 October 27-29; Sitges, Spain.

Plant hydraulic mechanisms underlie greater productivity under drought in grain crops. - (Abstract Only)
Comas, L.H., Drobnitch, S.T., Gleason, S.M. 2019. Plant hydraulic mechanisms underlie greater productivity under drought in grain crops [abstract]. International Workshop on Sap Flow. 2019 October 7-11. Hyytiälä, Finland.

Estimating above-ground biomass of maize using features derived from UAV-based RGB imagery - (Peer Reviewed Journal)
Niu, Y., Zhang, L., Zhang, H., Han, W., Peng, X. 2019. Estimating above-ground biomass of maize using features derived from UAV-based RGB imagery. Remote Sensing Reviews. 11(11):1261. https://doi.org/10.3390/rs11111261.

Using canopy stomatal conductance calculated from remotely sensed plant parameters to determine plant water status. - (Abstract Only)
Wenz, J., Comas, L.H., Altenhofen, J., Willi, K., Zhang, H., Gleason, S.M., Chavez, J., DeJonge, K.C., Douglas-Mankin, K.R. 2019. Using canopy stomatal conductance calculated from remotely sensed plant parameters to determine plant water status. Annual American Geophysical Union Hydrology Days. http://hydrologydays.colostate.edu/wp-content/uploads/2019/03/HD-2019_Program-FINAL.pdf.

Using strategic deficit irrigation to increase water productivity under limited water availability - (Abstract Only)
Comas, L.H., Gleason, S.M., Zhang, H., DeJonge, K.C., Trout, T.J. 2019. Using strategic deficit irrigation to increase water productivity under limited water availability. Annual American Geophysical Union Hydrology Days. http://hydrologydays.colostate.edu/wp-content/uploads/2019/03/HD-2019_Program-FINAL.pdf.

Simple background subtraction of thermal imagery for crop water stress detection in greenhouse - (Peer Reviewed Journal)
DeJonge, K.C., Zhang, H., Gleason, S.M. 2019. Simple background subtraction of thermal imagery for crop water stress detection in greenhouse. Applied Engineering in Agriculture. 35(3):339-344. https://doi.org/10.13031/aea.13090.

Detection of Helminthosporium Leaf Blotch disease based on UAV RGB imagery - (Peer Reviewed Journal)
Huasheng, H., Lan, Y., Deng, J., Yang, A., Zhang, H., Zhang, L. 2019. Detection of Helminthosporium Leaf Blotch disease based on UAV RGB imagery. Applied Sciences. 9(3):558. https://doi.org/10.3390/app9030558.

Stomatal conductance, xylem water transport, and root traits underpin improved performance under drought and well-watered conditions across a diverse panel of maize inbred lines - (Peer Reviewed Journal)
Gleason, S.M., Cooper, M.S., Wiggans, D.R., Bliss, C.A., Romay, C.M., Gore, M.A., Mickelbart, M.V., Topp, C., Zhang, H., DeJonge, K.C., Comas, L.H. 2019. Stomatal conductance, xylem water transport, and root traits underpin improved performance under drought and well-watered conditions across a diverse panel of maize inbred lines. Field Crops Research. 234:119-128. https://doi.org/10.1016/j.fcr.2019.02.001.

Crop water use and crop coefficients of maize in the US Great Plains - (Peer Reviewed Journal)
Trout, T.J., Dejonge, K.C. 2018. Crop water use and crop coefficients of maize in the US Great Plains. Journal of Irrigation and Drainage Engineering. 144(6):04018009. doi:10.1061/(asce)ir.1943-4774.0001309.

Hydraulic traits are coordinated with maximum plant height at the global scale - (Peer Reviewed Journal)
Liu, H., Gleason, S.M., Hao, G., Hua, L., He, P., Goldstein, G., Ye, Q. 2019. Hydraulic traits are coordinated with maximum plant height at the global scale. Science Advances. 5(2):1-14. https://doi.org/10.1126/sciadv.aav1332.

Drift and deposition of pesticide applied by UAV on pineapple plants under different meteorological conditions - (Peer Reviewed Journal)
Wang, J., Lan, Y., Zhang, H., Wen, S., Yao, W., Yue, C. 2018. Drift and deposition of pesticide applied by UAV on pineapple plants under different meteorological conditions. International Journal of Agricultural and Biological Engineering. 11(6):5–12. https://doi.org/10.25165/j.ijabe.20181106.4038.

USDA-ARS Colorado maize growth and development, yield and water-use under strategic timing of irrigation, 2012-2013 - (Peer Reviewed Journal)
Comas, L.H., Trout, T.J., Banks, G.T., Zhang, H., DeJonge, K.C., Gleason, S.M. 2018. USDA-ARS Colorado maize growth and development, yield and water-use under strategic timing of irrigation, 2012-2013. Data in Brief. 21:1227-1231. https://doi.org/10.1016/j.dib.2018.10.140.

Optimal water allocation under deficit irrigation in the context of Colorado water law - (Peer Reviewed Journal)
Varzi, M.M., Trout, T.J., DeJonge, K.C., Oad, R. 2019. Optimal water allocation under deficit irrigation in the context of Colorado water law. Journal of Irrigation and Drainage Engineering. 145(5). https://doi.org/10.1061/(ASCE)IR.1943-4774.0001374.

Thermal video of maize canopy with wind using background subtraction technique - (Peer Reviewed Journal)
DeJonge, K.C., Gilkerson, T., Gleason, S.M., Zhang, H. 2018. Thermal video of maize canopy with wind using background subtraction technique. World Wide Web. https://figshare.com/articles/Thermal_video_of_maize_canopy_with_wind_using_background_subtraction_technique/7075220

Modeling evapotranspiration and crop growth of irrigated and non-irrigated corn in the Texas high plains using RZWQM - (Peer Reviewed Journal)
Zhang, H., Malone, R.W., Ma, L., Ahuja, L.R., Anapalli, S.S., Marek, G.W., Gowda, P.H., Evett, S.R., Howell, T.A. 2018. Modeling evapotranspiration and crop growth of irrigated and non-irrigated corn in the Texas high plains using RZWQM. Transactions of the ASABE. 61(5):1653-1666. https://doi.org/10.13031/trans.12838.

Limited Irrigation Water Management Research in Colorado, USA - (Abstract Only)

Evapotranspiration in DSSAT: Using Global Sensitivity Analysis and Standardized Crop Coefficient Methods to Evaluate Model Sensitivity and Behavior - (Abstract Only)

Improved installation and validation of sap flow sensors on maize plants. - (Peer Reviewed Journal)
Comas, L.H., Van Bavel, M.G., Young, J.S., Chesus, K.A. 2018. Improved installation and validation of sap flow sensors on maize plants.. Acta Horticulturae. 1222:167-172. https://doi.org/10.17660/ActaHortic.2018.1222.34.

Crops under pressure: Conductivity, root pressure, and productivity in droughted maize and sorghum - (Abstract Only)
Drobnitch, S.T., Comas, L.H., Gleason, S.M., Young, J.S., Barton, R.W., Trippe Iii, R.C., Travers, V.H. 2018. Crops under pressure: Conductivity, root pressure, and productivity in droughted maize and sorghum. Gordon Research Conference Proceedings. https://www.grc.org/multiscale-plant-vascular-biology-conference/2018/.

Hydrologic downscaling of soil moisture using global data without site-specific calibration - (Peer Reviewed Journal)
Grieco, N.R., Niemann, J.D., Green, T.R., Jones, A.S., Grazaitis, P.J. 2018. Hydrologic downscaling of soil moisture using global data without site-specific calibration. Journal Hydrologic Engineering. Vol. 23, Issue 11. https://doi.org/10.1061/(ASCE)HE.1943-5584.0001702.

Root functional traits for water and nutrient acquisition linked to plant strategies: unpacking the black box - (Abstract Only)
Comas, L.H. 2018. Root functional traits for water and nutrient acquisition linked to plant strategies: unpacking the black box. Gordon Research Conference Proceedings. https://www.grc.org/multiscale-plant-vascular-biology-conference/2018/.

Modeling Evapotranspiration and Crop Growth of Irrigated and Non-irrigated Corn under Warm Climate - (Abstract Only)

Water productivity under strategic growth stage-based deficit irrigation in maize - (Peer Reviewed Journal)
Comas, L.H., Trout, T.J., DeJonge, K.C., Zhang, H., Gleason, S.M. 2018. Water productivity under strategic growth stage-based deficit irrigation in maize. Agricultural Water Management. 212:433-440. https://doi.org/10.1016/j.agwat.2018.07.015.

Linking fine root morphology, hydraulic functioning, and shade tolerance of trees - (Peer Reviewed Journal)
Zadworny, M., Comas, L.H., Eissenstat, D.M. 2018. Linking fine root morphology, hydraulic functioning, and shade tolerance of trees. Annals of Botany. 122(2):239-250. doi:10.1093/aob/mcy054.

Vessel scaling in angiosperm leaves conforms with Murray’s law and area-filling assumptions - (Peer Reviewed Journal)
Gleason, S.M., Blackman, C.J., Gleason, S.T., Mcculloh, K.A., Ocheltree, T.W., Westoby, M. 2018. Vessel scaling in angiosperm leaves conforms with Murray’s law and area-filling assumptions. New Phytologist. https://doi.org/10.1111/nph.15116.

Achieving balance in your early career - (Popular Publication)
DeJonge, K.C. 2018. Achieving balance in your early career. CSA News. 10.2134/csa2018.63.0226.

Remote Sensing for Irrigation using Unmanned Aerial Systems - (Trade Journal)

Crop modeling applications in agricultural water management - (Peer Reviewed Journal)
Kisekka, I., DeJonge, K.C., Ma, L., Paz, J., Douglas-Mankin, K. 2017. Crop modeling applications in agricultural water management. Transactions of the ASABE. 60(6):1959-1964. doi.org/10.13031/trans.12693.

Using UAV technology at the USDA-ARS Limited Irrigation Research Farm - (Abstract Only)

Exploring plant root traits and fungal interactions governing plant community structure: Re-focusing long standing questions. - (Peer Reviewed Journal)
Comas, L.H. 2017. Exploring plant root traits and fungal interactions governing plant community structure: Re-focusing long standing questions. New Phytologist. 216:963-964.

Economic viability of deficit irrigation in the western US - (Peer Reviewed Journal)
Manning, D.T., Lurbe, S., Comas, L.H., Trout, T.J., Flynn, N.E., Fonte, S.J. 2017. Economic viability of deficit irrigation in the western US. Agricultural Water Management. 196/114-123. https://doi.org/10.1016/j.agwat.2017.10.024.

Implementing Standardized reference evapotranspiration and dual crop coefficient approach in the dssat cropping system model - (Peer Reviewed Journal)
Dejonge, K.C., Thorp, K.R. 2017. Implementing Standardized reference evapotranspiration and dual crop coefficient approach in the dssat cropping system model. Transactions of the ASABE. 10.13031/trans.12321.

A global analysis of vessel diameter, plant height and axial parenchyma patterns in woody angiosperms - (Peer Reviewed Journal)
Morris, H., Gillingham, M.A., Plavcoa, L., Gleason, S.M., Olson, M.E., Coomes, D.A., Fichtler, E., Klepsch, M.M., Martinez-Cabrera, H.I., Mcglinn, D.J., Wheeler, E.A., Zheng, J., Zieminska, K., Jansen, S. 2017. A global analysis of vessel diameter, plant height and axial parenchyma patterns in woody angiosperms. Plant, Cell & Environment. 10.1111/pce.13091.

Investigating deficit irrigation as a climate-smart farming option - (Other)
Flynn, N.E., Comas, L.H., Lurbe, S., Manning, D., Fonte, S. 2017. Investigating deficit irrigation as a climate-smart farming option. Colorado Water Magazine. PP 22-25.

Improvement in estimation of soil water deficit by integrating airborne imagery data into a soil water balance modelents into a soil water - (Peer Reviewed Journal)
Zhang, H., Han, M., Chavez, J.L., Lan, Y. 2017. Improvement in estimation of soil water deficit by integrating airborne imagery data into a soil water balance modelents into a soil water. International Journal of Agricultural and Biological Engineering. 10:37-46.

The links between leaf hydraulic vulnerability to drought and key aspects of leaf venation and xylem anatomy in a diverse group of Australian woody angiosperms. - (Peer Reviewed Journal)
Blackman, C.J., Gleason, S.M., Cook, A.M., Chang, Y., Laws, C.A., Westoby, M. 2018. The links between leaf hydraulic vulnerability to drought and key aspects of leaf venation and xylem anatomy in a diverse group of Australian woody angiosperms.. New Phytologist. 10.1093/aob/mcy051.

Maximizing the value of limited irrigation water: USDA researchers study how producers on limited irrigation can save water and be profitable - (Other)
Comas, L.H., Gleason, S.M., DeJonge, K.C., Zhang, H. 2016. Maximizing the value of limited irrigation water: USDA researchers study how producers on limited irrigation can save water and be profitable. Colorado State University Newsletter. 1(1):1-4.