Johnson, J.M., Acosta Martinez, V., Cambardella, C.A., Barbour, N.W. 2013. Crop and soil responses to using corn stover as a bioenergy feedstock: Observations from the Northern US Corn Belt. Agriculture. 3:72-89.
Gardner, T., Acosta Martinez, V., Senwo, Z., Calderon, F.J., Dowd, S., Baddock, M., Van Pelt, R.S., Zobeck, T.M. 2012. Pyrosequencing reveal distinct bacteria are carried in different wind eroded sediments from the same soil. Journal of Environmental Quality. 41(3):744-753.
Zobeck, T.M., Baddock, M., Guo, Z., Van Pelt, R.S., Acosta Martinez, V., Tatarko, J. 2012. Dust emissions of organic soils observed in the field and laboratory. Soil Survey and Land Resources Workshop. February 2-4, 2012. College Station, TX.
Acosta Martinez, V., Cotton, J.E., Moore Kucera, J., Burow, G.B. 2011. Responses of enzyme activities in sandy soils to cropping system changes in a semiarid region[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, TX.
Acosta Martinez, V., Cotton, J.E., Burow, G.B., Moore Kucera, J. 2011. Cellulosic ethanol production of forage sorghum under deficit irrigation[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, TX.
Acosta Martinez, V., Mikha, M.M., Sistani, K.R., Stahlman, P.W., Benjamin, J.G., Vigil, M.F., Erickson, R. 2011. Soil enzyme activities as affected by manure types, rates and tillage practices[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, Texas.
Shrestha, B., Acosta Martinez, V., Cox, S., Canas, J. 2011. The effects of multi-walled carbon nanotubes on soil microbial community functional and structural diversity[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, Texas.
Gardner, T., Acosta Martinez, V., Senwo, Z., Dowd, S. 2011. Soil microbial communities associated to plant rhizospheres in an organic farming system in Alabama[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, Texas.
Bell, C.W., Acosta Martinez, V., Tissue, D., Zak, J. 2011. Understanding Soil Microbial Community Structural and Functional Responses to Climate Change[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, TX.
Davinic, M., Fultz, L., Moore Kucera, J., Acosta Martinez, V., Zak, J. 2011. Soil fungal community and fuctional diversity assessments of agroecosystems in the Southern High Plains[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, TX.
Davinic, M., Fultz, L., Moore Kucera, J., Acosta Martinez, V., Allen, V., Dowd, S. 2011. Soil microbial dynamics in alternative cropping systems to monoculture cotton in the Southern High Plains[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, Texas.
Davinic, M., Fultz, L., Moore Kucera, J., Acosta Martinez, V., Calderon, F.J., Cox, S., Allen, V., Zak, J. 2011. Aggregate stratification assessment of soil bacterial communities and organic matter composition: Coupling pyrosequencing and mid-infrared spectroscopy techniques[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, Texas.
Gardner, T., Acosta Martinez, V., Zobeck, T.M., Baddock, M., Van Pelt, R.S., Senwo, Z. 2011. Characterization of microbes carried in dust[abstract]. International Symposium on Erosion and Landscape Evolution. September 18-21, 2011, Anchorage, Alaska.
Van Pelt, R.S., Baddock, M., Zobeck, T.M., Acosta Martinez, V., Vigil, M.F., Schlegel, A. 2011. Field Wind Tunnel Testing of Two Silt Loam Soils on the North American Central High Plains[abstract]. International Symposium on Erosion and Landscape Evolution. September 18-21, 2011, Anchorage, Alaska.
Davinic, M., Moore-Kucera, J., Fultz, L., Dowd, S., Acosta Martinez, V., Cox, S.B., Allen, V.G. 2011. Pyrosequencing-based assessment of soil bacterial communities within soil aggregates: Linking structure to C storage [abstract]. Ecological Society of America Annual Meeting. August 7-12, 2011. Austin, TX. Abstract No. 31444.
Acosta Martinez, V., Zobeck, T.M., Lascano, R.J., Upchurch, D.R., Allen, V., Wester, D. 2011. Enzyme Activities as Sensitive Indicators of Changes in Soil Metabolic Functioning in Alternative Management for Continuous Cotton[abstract]. Enzymes in the Environment. July 17-21, 2011, Bad Nauheim, Germany.
Gardner, T., Acosta Martinez, V., Senwo, Z., Dowd, S. 2011. Soil Rhizosphere Microbial Communities and Enzyme Activities under Organic Farming[abstract]. Enzymes in the Environment. July 17-21, 2011, Bad Nauheim, Germany.
Gardner, T., Acosta Martinez, V., Senwo, Z., Dowd, S. 2011. Soil Microbial Communities associated to Plant Rhizospheres in an Organic Farming System in Alabama. Diversity. 3(3):308-328.
Cotton, J.E., Moore-Kucera, J., Acosta Martinez, V., Burow, G.B. 2011. Responses of Enzyme Activities in Sandy Soils to Cropping System Changes in a Semiarid Region[abstract]. Enzymes in the Environment. July 17-21, 2011, Bad Nauheim, Germany.
Cotton, J.E., Moore-Kucera, J., Acosta Martinez, V., Burow, G.B. 2011. Responses of Enzyme Activities in Sandy Soils to Cropping System Changes in a Semiarid Region[abstract]. Enzymes in the Environment. July 17-21, 2011, Bad Nauheim, Germany.
Acosta Martinez, V., Lascano, R.J., Calderon, F.J., Booker, J.D., Zobeck, T.M., Upchurch, D.R. 2011. Dryland cropping systems influence microbial biomass and enzyme activities in a sandy soil in a semiarid region. Biology and Fertility of Soils. 47(6):655-667.
Zobeck, T.M., Baddock, M.C., Van Pelt, R.S., Tatarko, J., Acosta Martinez, V. 2011. Soil Property Effects on Wind Erosion of Organic Soils[abstract]. International Symposium on Erosion and Landscape Evolution. September 18-21, 2011, Anchorage, Alaska.
Arriaga, F.J., Balkcom, K.S., Duzy, L.M., Acosta Martinez, V. 2010. Cotton yield and soil properties are affected by the harvest of a winter cover crop for bioenergy production [abstract]. ASA-CSSA-SSSA Annual Meeting.
Acosta Martinez, V., Bell, C., Morris, B., Zak, J., Allen, V.G. 2010. Long-term soil microbial community and enzyme activity responses to an integrated cropping-livestock system in a semi-arid region[abstract]. International Soil Conservation Organization Conference Proceedings. November 7-13, 2010, Santiago, Chile.
Acosta Martinez, V., Dowd, S.E., Bell, C., Lascano, R.J., Booker, J.D., Zobeck, T.M., Upchurch, D.R. 2010. Microbial community composition as affected by dryland cropping systems and tillage in a semiarid sandy soil. Diversity. 2(6):910-931.
Acosta Martinez, V., Bell, C., Morris, B., Zak, J., Allen, V.G. 2010. Long-term soil microbial community and enzyme activity responses to an integrated cropping-livestock system in a semi-arid region. Agriculture, Ecosystems and Environment. 137(3-4):231-240.
Acosta Martinez, V., Burow, G.B., Zobeck, T.M., Allen, V. 2010. Soil microbial diversity, structure and functioning under alternative systems compared to continuous cotton. Soil Science Society of America Journal. 74(4):1181-1192.
Acosta Martinez, V., Dowd, S.E., Sun, Y., Allen, V.G., Wester, D. 2010. Pyrosequencing analysis for characterization of bacterial diversity in a soil as affected by integrated livestock-cotton production systems. Applied Soil Ecology. 45(1):13-25.
Acosta Martinez, V. 2009. Enzyme activities as indicators of metabolic functioning of soil microbial communities under management alternatives to continuous cotton in a semiarid region. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America. November 1-5, 2009, Pittsburgh, Pennsylvania.
Booker, J.D., Acosta Martinez, V., Zobeck, T.M. 2009. Long-Term Dryland Cropping Systems and Their Impact on Selected Soil Parameters in the Texas High Plains[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America. November 1-5, 2009. Pittsburgh, Pennsylvania.
Van Pelt, R.S., Zobeck, T.M., Acosta Martinez, V. 2009. Crop rotation and tillage effects on a thermic ustalf on the Southern High Plains of Texas[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America. November 1-5, 2009. Pittsvurgh, Pennsylvania. Abstract No. 2009.53427.
An, S., Mentler, A., Acosta Martinez, V. 2009. Soil microbial parameters and stability of soil aggregate fractions under different grassland communities on the Loess Plateau, China[abstract]. 2nd International Conference Biohydrology. Bratislava, Slovakia. September 21-24, 2009.
Bell, C.W., Acosta Martinez, V., Tissue, D.T., Zak, J.C. 2009. Linking microbial community structure and function to seasonal differences in soil moisture and temperature in a Chihuahuan Desert grassland[abstract]. Ecological Society of America. Albuquerque, New Mexico. August 2-7, 2009.
Haralson, K., Acosta Martinez, V., Bennett, J., Zak, J.C. 2009. Nitrogen and microbial dynamics associated with banded vegetation in a low elevation Chihuhuan Desert grassland[abstract]. Ecological Society of America. Albuquerque, New Mexico. August 2-7, 2009.
Melester, B., Kumar, R., Acosta Martinez, V., Zak, J.C. 2009. Impacts of management practices on microbial dynamics in a semi-arid agroecosystem[abstract]. Ecological Society of America. Albuquerque, New Mexico. August 2-7, 2009.
Bell, C.W., Acosta Martinez, V., McIntyre, N.E., Cox, S., Tissue, D.T., Zak, J.C. 2009. Linking microbial community structure and function to seasonal differences in soil moisture and temperature in a Chihuahuan Desert Grassland. Microbial Ecology. 58(4):827-842.
Calderon, F.J., Acosta Martinez, V., Douds, D.D., Reeves III, J.B., Vigil, M.F. 2009. Mid-Infrared and Near Infrared Spectral Properties of Mycorrhizal and Non-Mycorrhizal Root Cultures. Journal of Applied Spectroscopy. 63(5)494-500.
Sotomayor-Ramirez, D., Espinosa, Y., Acosta Martinez, V. 2009. Land use effects on microbial biomass C, ß-glucosidase and ß-glucosaminidase activities, and availability, storage, and age of organic C in soil. Biology and Fertility of Soils. 45(5):487-497.
Clark, J.S., Campbell, J.H., Grizzle, H., Acosta Martinez, V., Zak, J. 2009. Soil microbial community response to drought and precipitation variability in the Chiuahuan Desert. Microbial Ecology. 57(2): 248-260.
Kumar, S., Dowd, S., Acosta Martinez, V., McMichael, B.L., Jeter, R.M., San Francisco, M., Zak, J. 2008. Bacterial diversity in peanut rhizosphere in a semi-arid climate: impacts of nitrogen fertilization. South Central Branches of the American Society of Microbiologists. November 9-11, 2008. Austin, Texas.
Burow, G.B., Franks, C.D., Xin, Z., Acosta Martinez, V. 2009. Molecular mapping and characterization of BLMC, a locus for profuse wax (bloom) and enhanced cuticular features of sorghum (Sorghum bicolor (L.) Moench.). Theoretical and Applied Genetics. 118:423-431.
Acosta Martinez, V., Dowd, S.E., Allen, V. 2008. Soil microbial community structure, diversity and functionality in integrated livestock-crop production systems compared to continuous cotton[abstract]. EuroSoil Congress. Vienna, Austria. August 25-29, 2008.
Acosta Martinez, V., Dowd, S.E., Allen, V. 2008. Soil microbial community structure, diversity and functionality in integrated livestock-crop production systems compared to continuous cotton[abstract]. Eurosoil Congress. Vienna, Austria. August 25-29, 2008.
Song, Y., Deng, S.P., Acosta Martinez, V., Katsalirou, E. 2008. Characterization of redox-related soil microbial communities along a river floodplain continuum by fatty acid methyl ester (FAME) and 16S rRNA genes. Microbial Ecology. 40(3):499-509.
Acosta Martinez, V., Dowd, S.E., Sun, Y., Allen, V. 2008. Tag-encoded pyrosequencing analysis of bacterial diversity in a single soil type as affected by management and land use. Soil Biology and Biochemistry. 40(11):2762-2770.
Kucera-Moore, J., Acosta Martinez, V., Azarenko, A. 2008. Soil microbial communities and activities under different orchard floor management systems in Oregan Sweet Cherry Orchards. American Society of Horticultural Sciences. Orlando, Florida. July 21-24, 2008.
Sotomayor-Ramierz, D., Espinoza, Y., Schroder, E., Acosta Martinez, V., Amador, J., Winiarski, K. 2008. Soil biological community structure in coffee (Coffea arabica L.) agroecosystems in the Caribbean. Caribbean Food Crops Society. Miami, Florida. July 13-17, 2008.
Acosta Martinez, V., Rowland, D., Sorensen, R.B., Yeater, K.M. 2008. Microbial community structure and functionality under peanut based cropping systems in a sandy soil[abstract]. International Soil Conservation Organization Conference. Budapest, Hungary. May 18-23, 2008.
Van Pelt, R.S., Zobeck, T.M., Acosta Martinez, V. 2008. Crop rotation and tillage effects on a thermic ustalf on the Southern High Plains of Texas[abstract]. International Soil Conservation Organization Conference Proceedings. May 18-23, 2008. Budapest, Hungary. p. 160.
Zobeck, T.M., Halvorson, A.D., Wienhold, B.J., Acosta Martinez, V., Karlen, D.L. 2008. Comparison of two soil quality indexes to evaluate cropping systems in northern Colorado. Journal of Soil and Water Conservation. 63(5):329-338.
Acosta Martinez, V., Burow, G.B., Allen, V. 2008. Soil microbial diversity, structure and functioning under alternative systems compared to continuous cotton[abstract]. American Society of Agronomy Southern Regional Branch Meeting. Dallas, Texas. February 3-5, 2008.
Acosta Martinez, V., Burow, G.B., Zobeck, T.M., Allen, V. 2007. Soil microbial diversity, structure and functioning under alternative systems compared to continuous cotton[abstract]. American Society of Agronomy, Crop Sciecne Society of America, Soil Science Society of America. New Orleans, Lousiana. November 4-8, 2007.
Katsalirou, E., Deng, S., Acosta Martinez, V. 2007. Response of microbial diversity and community structure to management practices of prairie soils [abstract]. ASA-CSSA-SSSA, November 4-8, 2007, New Orleans, Louisiana.
Acosta Martinez, V., Acosta Mercado, D., Sotomayor, D., Cruz, L. 2008. Microbial communities and enzymatic activities under different management in semiarid soils. Applied Soil Ecology. 38(3):249-260.
Acosta Martinez, V., Rowland, D., Sorensen, R.B., Yeater, K.M. 2008. Microbial community structure and functionality under peanut-based cropping systems in a sandy soil. Biology and Fertility of Soils. 44(5): 681-692.
Acosta Martinez, V., Rowland, D., Sorensen, R.B., Yeater, K.M. 2008. Microbial community structure and functionality under peanut based cropping systems in a sandy soil. Biology and Fertility of Soils. 44(5):681-692.
Acosta Martinez, V., Rowland, D., Sorensen, R.B. 2007. Microbial community structure and functionality under peanut based cropping systems in a sandy soil [abstract]. Soil and Water Conservation Society, July 21-25, 2007, Tampa, Florida. CD-ROM
Zobeck, T.M., Crownover, J., Dollar, M., Van Pelt, R.S., Acosta Martinez, V., Bronson, K.F., Upchurch, D.R. 2007. Investigation of soil conditioning index values for Southern High Plains agroecosystems. Journal of Soil and Water Conservation. 62(6):433-442.
Acosta Martinez, V., Mikha, M.M., Vigil, M.F. 2007. Microbial communities and enzyme activities in soils under alternative crop rotations compared to wheat-fallow for the Central Great Plains. Applied Soil Ecology. 37:41-52.
Mikha, M.M., Acosta Martinez, V., Vigil, M.F. 2006. Soil Aggregation and Enzyme Activities as affected by Management Practices. Agronomy Abstracts. Presented at the International American Society of Agronomy Meetings/Soil Science Society of America (ASA/CSSA/SSSA) Annual Meetings. November 12-16, 2006. Indianapolis, IN.
Acosta Martinez, V., Upchurch, D.R., Zobeck, T.M. 2006. Managing Soil Properties through Dryland Cropping System Intensities[absstract]. International Center for Arid and Semiarid Land Studies Conference. Lubbock, Texas. November 15-17, 2006.
Acosta Martinez, V., Harmel, R.D. 2006. Microbial Communities and Enzymatic Activities as Affected by Various Poultry Litter Application Rates to Pasture and Cultivated Soils of the Texas Blackland Prairies Ecosystem. World Congress of Soil Science. Philadelphia, PA. July 9-15, 2006.
Sotomayor-Ramirez, D., Espinosa, Y., Acosta Martinez, V. 2006. Soil Organic Carbon and Nitrogen Content and Distribution in a Vertisol under Mixed Land-Use. World Congress of Soil Science. Philadelphia, PA. July 9-15, 2006.
Zobeck, T.M., Van Pelt, R.S., Acosta Martinez, V., Bronson, K., Upchurch, D.R., Crownover, J. 2006. The soil conditioning index as a soil quality tool: Comparisons with measured soil properties. World Congress of Soil Science. July 9-15, 2006. Philadelphia, Pennsylvania.
Calderon, F.J., Acosta Martinez, V. 2006. Diffuse-Reflectance Mid-IR and NIR Spectroscopic Properties of Mycorrhizal and Non-mycorrhizal roots. Meeting Abstract. Federation of Analytical Chemistry and Spectroscopy (FACSS) National Meeting for the Society for Applied Spectroscopy. Sept. 24-28, 2006. Lake Buena Vista, FL.
Zobeck, T.M., Crownover, J., Dollar, M., Van Pelt, R.S., Acosta Martinez, V., Bronson, K.E., Upchurch, D.R. 2006. Southern high plains conservation systems effects on the soil conditioning index and other soil quality indexes[abstract]. 28th Southern Conservation Systems Conference, June 26-28, 2006, Bushland, Texas. p. 269.
Acosta Martinez, V., Cruz, L., Sotomayor-Ramirez, D., Perez-Alegria, L. 2007. Enzyme activities as affected by soil properties and land use in a tropical watershed. Applied Soil Ecology. 35(1): 35-45.
Zobeck, T.M., Van Pelt, R.S., Acosta Martinez, V., Bronson, K.F., Upchurch, D.R., Crownover, J. 2006. Assessing the effects of land managementusing the soil conditioning index as a soil quality assessment tool[CD-ROM]. International Symposium on Soil Erosion and Dryland Farming. October 1-5, 2006. Yangling, Shaanxi, People's Republic of China.
Acosta Martinez, V., Harmel, R.D. 2006. Impacts of various poultry litter application rates on microbial communities and enzyme activities in pasture and cultivated soils of the texas blackland prairies ecosystem. International Symposium on Soil Erosion and Dryland Farming, October 1-5, 2006, Yanling, Shaanxi, China. CD-ROM
Song, Y., Deng, S., Acosta Martinez, V. 2006. Characterization of depth- and redox-related microbial community structure in a river floodplan continum using 16s rna-based approaches and fatty acid methyl ester (fame) analysis[abstract]. American Society for Microbiology.
Mikha, M.M., Acosta Martinez, V., Vigil, M.F. 2006. Cropping intensity and tillage affects on carbon sequestration and enzyme activities. Meeting of the 18th World Congress of Soil Science. July 9-15, 2006. Philadelphia, Pennsylvania.
Allen, V., Brown, C.P., Segarra, E., Green, C.J., Wheeler, T.A., Acosta Martinez, V., Zobeck, T.M. 2008. In search of sustainable agricultural systems for the Llano Estacado of the U.S. Southern High Plains. Agriculture, Ecosystems, & Environment. 124:3-12.
Klose, S., Acosta Martinez, V., Ajwa, H. 2005. Microbial community composition and enzyme activities in a sandy loam soil after fumigation with methyl bromide and alternative biocides. Soil Biology and Biochemistry. 37(12):2171-2182.
Zobeck, T.M., Halfmann, D., Acosta Martinez, V., Bronson, K., Upchurch, D.R. 2005. Agricultural management effects on properties of semi-arid sandy soils[ABSTRACT]. Soil and Water Conservation Society Proceedings.
Allen, V.C., Brown, C.P., Green, C., Krieg, D., Segarra, E., Kellison, R., Wheeler, T., Dotray, P., Acosta Martinez, V. 2005. Integrating cotton and beef production to reduce water withdrawn from the ogallala aquifer. Agronomy Journal. 97(2):556-567.
Klose, S., Acosta Martinez, V., Ajwa, H. 2004. Microbial community structure and enzyme activities in a sandy loam soil fumigated with methyl bromide and alternative biocides[abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts.
Acosta Martinez, V., Allen, V. 2004. Soil microbial, chemical and physical properties in continuous cotton and integrated crop-livestock systems. Soil Science Society of America Journal. 68(6): 1875-1884.
Acosta Martinez, V., Kennedy, A.C., Zobeck, T.M. 2004. Enzyme activities and faty acids of dust as biological fingerprints of the soil source[abstract]. Soil and Water Conservation Society.
Acosta Martinez, V., Rowland, D., Sorensen, R.B. 2004. Impacts of cotton and peanut cropping systems on the microbial and biochemical properties of a sandy soil in georgia[abstract]. American Peanut Research and Education Society.
Acosta Martinez, V., Zobeck, T.M., Allen, V. 2004. Soil properties in continuous cotton and an alternative integrated crop-livestock systems. Soil Science Society of America Journal. 68:1875-1884.
Bronson, K.F., Zobeck, T.M., Chua, T.T., Acosta Martinez, V., Booker, J.D. 2004. Carbon and nitrogen pools of southern High Plains cropland and grassland soils. Soil Science Society of America Journal. 68:1695-1704.
Acosta Martinez, V., Upchurch, D.R., Porter, D. 2003. Impacts of cotton and peanut cropping systems on microbial biomass, community structure, and enzyme activities of a sandy soil. American Society of Agronomy Meetings.
Acosta Martinez, V., Zobeck, T.M. 2004. Enzyme activities and arylsulfatase protein in dust generated under laboratory conditions from agricultural soils. Journal of Environmental Quality. 33:1653-1661.
Van Pelt, R.S., Zobeck, T.M., Acosta Martinez, V., Chavez, J.A., Ketterer, M.E., Gill, T.E., Baker, J.T. 2003. Transport of nutrients, soil carbon, trace metals, and enzyme activities on dusts generated from soils of the southern great plains. American Society of Agronomy Abstracts. 2003 CDROM.
Acosta Martinez, V., Zobeck, T.M., Gill, T.E., Kennedy, A.C. 2003. Enzyme activities and microbial community structure in semiarid agricultural soils. Biology and Fertility of Soils. 38:216-227.
Bronson, K., Zobeck, T.M., Chua, T.T., Van Pelt, R.S., Acosta Martinez, V. 2003. Carbon and nitrogen pools of southern high plains grassland and cultivated soils. American Society of Agronomy Abstracts. 2003 CDROM.
Acosta Martinez, V., Upchurch, D.R., Porter, D. 2002. Impacts of cotton and peanut rotations on a sandy soil: organic matter, aggregate stability, microbial biomass, microbial community composition, and enzyme activities.
Zobeck, T.M., Van Pelt, R.S., Acosta Martinez, V.,Bronson, K.F., and Upchurch, D.R. 2002. Sampling protocol and variation of field soil carbon. 2002 Annual Meeting Abstracts ASA/CSSA/SSSA CD paper s05-zobeck171145 Poster.PDF
Acosta Martinez, V., Upchurch, D.R., Schubert, A.M., Porter, D., Wheeler, T. 2004. Early impacts of cotton and peanut cropping systems on a sandy soil: organic matter, aggregate stability, microbial biomass, and enzyme activities. Biology and Fertility of Soils. 40: 44-54.