Publications

Jenkins, M., Locke, M.A., Reddy, K.N., Mcchesney, D.S., Steinriede Jr, R.W. 2017. Impact of glyphosate resistant corn, glyphosate applications, and tillage on soil nutrient ratios, exoenzyme activities, and nutrient acquisition ratios. Pest Management Science. 2017; 73:78-86.

Lizotte Jr, R.E., Locke, M.A., Bingner, R.L., Steinriede Jr, R.W., Smith, S. 2017. Effectiveness of integrated best management practices on mitigation of atrazine and metolachlor in an agricultural lake watershed. Bulletin of Environmental Contamination and Toxicology. 2017; 98:447-453.

Lizotte Jr, R.E., Yasarer, L.M., Locke, M.A., Bingner, R.L., Knight, S.S. 2017. Lake nutrient responses to integrated conservation practices in an agricultural watershed. Journal of Environmental Quality. 2017; 46:330-338. doi:10.2134/jeq2016.08.0324.

Runkle, B., Rigby Jr, J.R., Reba, M.L., Anapalli, S.S., Bhattacharjee, J., Krauss, K.W., Locke, M.A., Liang, L., Novick, K., Sui, R., Suvocarev, K., White Jr, P.M. 2017. Delta-Flux: An eddy covariance network for a climate-smart lower Mississippi basin. Agricultural and Environmental Letters. 2:170003 doi:10.2134/ael2017.01.0003.

Tyler, H.L., Locke, M.A., Moore, M.T., Steinriede Jr, R.W. 2016. Impact of conservation land management practices on soil microbial function in an agricultural watershed. Journal of Soil and Water Conservation. 71:396-403.

Moore, M.T., Kroger, R., Locke, M.A. 2016. Drying and storage methods affect cyfluthrin concentrations in exposed plant samples. Bulletin of Environmental Contamination and Toxicology. 2016;97:244-248 DOI 10.1007/S00128-016-1835-2.

Wren, D.G., Rigby Jr, J.R., Davidson, G.R., Locke, M.A. 2016. Determination of lake sediment accumulation rates in an agricultural watershed using lead-210 and cesium-137. Journal of Soil and Water Conservation. 71(2):137-147; doi: 10.2489/jswc.71.2.137.

Momm, H.G., Bingner, R.L., Yuan, Y., Kostel, J., Monchak, J., Locke, M.A., Giley, A. 2016. Characterization and placement of wetlands for integrated watershed conservation practice planning. Transactions of the ASABE. 59(5): 1345-1357.

Moore, M.T., Locke, M.A., Kroger, R. 2016. Using aquatic vegetation to remediate nitrate, ammonium, and soluble reactive phosphorus in simulated runoff. Chemosphere. 2016; 160:149-154.

Chen, Jingjing, Pragya Chakravarty, Gregg R. Davidson, Daniel G. Wren, Martin A. Locke, Ying Zhou, and James V. Cizdziel. 2015. Simultaneous determination of mercury and organic carbon using a direct mercury analyzer: Mercury profiles in sediment cores from oxbow lakes in the Mississippi Delta.  Chim. Acta 871:9-17.

Locke, M.A., L.J. Krutz, R.W. Steinriede, Jr., and S. Testa.2015. Conservation management improves runoff water quality: Implications for environmental sustainability in a glyphosate-resistant cotton production system. Soil Sci. Soc. Am. J. 79:660-671. 

Moore, M.T., R. Kroger, M. A. Locke, R.E. Lizotte, Jr., S. Testa, and C.M. Cooper. 2014. Diazinon and permethrin mitigation across a grass-wetland buffer. Bull. Environ. Contam. Toxicol.  93:574-579. 

Lizotte, Jr., Richard E., Martin A. Locke, and Sam Testa III. Influence of varying nutrient and pesticide mixtures on abatement efficiency using a vegetated free water surface constructed wetland mesocosm. Chem. and Ecol. published online doi:10.1080/02757540.2013.861823.

Lizotte, Jr., R.E., S.S. Knight, M. A. Locke, and R.L. Bingner. 2014.  Influence of integrated watershed-scale agricultural conservation practices on lake water quality.  J. Soil Water Cons. 69:160-170. 

Lizotte, Jr., R.E., S. Testa, M. A. Locke, and R.W. Steinriede, Jr. 2013. Responses of phytoplankton and Hyalella azteca to agrichemical mixtures in a constructed wetland. Arch. Environ. Contam. Toxicol. 65:474-485.  DOI: 10.1007/s00244-013-9927-z.  

Moore, M.T. and Locke, M.A. 2013.  Effect of storage method and associated holding time on nitrogen and phosphorus concentrations in surface water samples.  Bulletin of Environmental Contamination Toxicology 91(5):493-498.

Moore, M.T., H.L. Tyler, M. A. Locke. 2013. Aqueous pesticide mitigation efficiency of Typha Latifolia (L.), Leersia Oryzoides (L.) Sw., and Sparganium Americanum Nutt.  Chemosphere 92:1307-1313.

Moore, M., R. Kröger, M.A. Locke, H.L. Tyler, and C.M. 2013. Cooper. Seasonal and interspecific nutrient mitigation comparisons of three aquatic macrophytes. Bioremed. J. 17:148-158.

Knight, S.S., M.A. Locke, S. Smith, Jr. 2013. Effects of agricultural conservation practices on oxbow lake watersheds in the Mississippi River alluvial plain.  Soil Water Res. 8(3):113-123. 

Locke, M.A., Zablotowicz, R.M., Steinriede Jr., R.W., Testa III, S., Reddy, K.N. 2013. Conservation management in cotton production: long-term soil biological, chemical, and physical changes. Soil Science Society of America Journal. 77:974-984.

Yuan, Y., Locke, M.A., Bingner, R.L., Rebich, R. 2013. Phosphorus losses from agricultural watersheds in the Mississippi Delta. Journal of Environmental Management. 115:14-20.

Lizotte Jr, R.E., Knight, S.S., Locke, M.A., Steinriede Jr, R.W., Testa III, S., Bryant, C.T. 2012. Water quality monitoring of an agricultural watershed lake: the effectiveness of agricultural best management practices. pp. 283-294. In: Hernandez, S., and Brebbia, C.A. (eds.), Design and Nature IV: Comparing Design in Nature with Science and Engineering. WIT Transactions in Ecology and the Environment Series, Volume 160, 332 pp. WIT Press, UK.

Tyler, H.L., Moore, M.T., Locke, M.A. 2012. Influence of three aquatic macrophytes on mitigation of nitrogen species from agricultural runoff. Water, Air, and Soil Pollution. 223(6):3227-3236.

Krutz, L.J., Locke, M.A., Steinriede Jr, R.W., Reddy, K.N., Libous Bailey, L.M., Burke, I. 2012. Water, sediment, and metolachlor transport between wide- and narrow row cotton production systems. Journal of Soil and Water Conservation Society. 67:1-8.

Tyler, H.L., Moore, M.T., Locke, M.A. 2012. Potential for phosphate mitigation from agricultural runoff by three aquatic macrophytes. Water, Air, and Soil Pollution. 223(7):4557-4564.

Weaver, M.A., Zablotowicz, R.M., Krutz, L.J., Locke, M.A., Bryson, C.T. 2012. Microbial and vegetative changes associated with development of a constructed wetland. Ecological Indicators. 13:37-45.

Moore, M.T., Kroger, R., Farris, J.L., Locke, M.A., Bennett, E.R., Denton, D.L., Cooper, C.M. 2011. From vegetated ditches to rice fields: Thinking outside the box for pesticide mitigation. In: Goh, K., Bret, B.L., Potter, T. Gan, J. (Eds.), Pesticide Mitigation Strategies for Surface Water Quality. American Chemical Society Symposium Series 1075. pp. 29-37.

Cullum, R.F., Locke, M.A., Knight, S.S. 2010. Effects of conservation reserve program on runoff and lake water quality in an oxbow lake watershed. Journal International Environmental Application and Science. 5:318-328.

Lizotte Jr, R.E., Moore, M.T., Locke, M.A., Kroger, R. 2011. Effects of vegetation in mitigating the toxicity of pesticide mixtures in sediments of a wetland mesocosm. Water, Air, and Soil Pollution. 220(1):69-79.

Yuan, Y., Bingner, R.L., Locke, M.A., Theurer, F.D., Stafford, J. 2011. Assessment of subsurface drainage management practices to reduce nitrogen loadings using AnnAGNPS. Applied Engineering in Agriculture. 27(3):335-344.

Tomer, M.D., Locke, M.A. 2011. The challenge of documenting water quality benefits of conservation practices: A review of USDA-ARS's Conservation Effects Assessment Project watershed studies. Water Science and Technology. 64(1):300-310.

Locke, M.A., Weaver, M.A., Zablotowicz, R.M., Steinriede Jr, R.W., Bryson, C.T., Cullum, R.F. 2011. Constructed wetlands as a component of the agricultural landscape: Mitigation of herbicides in simulated runoff from upland drainage areas. Chemosphere. 83:1532-1538. DOI:10.1016/j.chemosphere.2011.01.034.

Lizotte Jr, R.E., Moore, M.T., Locke, M.A., Kroger, R. 2011. Role of vegetation in a constructed wetland on nutrient-pesticide mixture toxicity of Hyalella azteca. Archives of Environmental Contamination and Toxicology. 60(2):261-271. DOI:10.1007/s00244-010-9596-0.

Zablotowicz, R.M., Zimba, P.V., Locke, M.A., Lizotte Jr, R.E., Knight, S.S., Gordon, R.E. 2010. Effects of land management practices on water quality in Mississippi Delta Oxbow Lakes: biochemical and microbiological aspects. Agriculture, Ecosystems and Environment. 139(1-2):214-223.

Moore, M.T., Kroger, R., Locke, M.A., Cullum, R.F., Steinriede Jr., R.W., Testa III, S., Lizotte Jr., R.E., Bryant, C.T., Cooper, C.M. 2010. Nutrient mitigation capacity in Mississippi Delta, USA drainage ditches. Environmental Pollution. 158(1):175-184. DOI 10.1016/j.envpol.2009.07.024.

Locke, M.A., Tyler, D.D., Gaston, L.A. 2010. Soil and Water Conservation in the Mid-South United States: Lessons Learned and a Look to the Future. In Ted M. Zobeck and William F. Schillinger (Eds.), Soil and Water Conservation Advances in the United States, Soil Science Society of America Special Publication 60. Soil Science Society of America, Madison, WI, USA, pp. 201-236.

Moore, M.T., Kroger, R., Locke, M.A., Cullum, R.F., Steinriede Jr., R.W., Testa III, S., Lizotte Jr., R.E., Bryant, C.T., Cooper, C.M. 2010. Nutrient mitigation capacity in Mississippi Delta, USA drainage ditches. Environmental Pollution. 158(1):175-184. DOI 10.1016/j.envpol.2009.07.024.

Moore, M.T., Robert Kroger, C.M. Cooper, R. F. Cullum, S. Smith, Jr., and M.A. Locke.  Diazinon reduction and partitioning between water, sediment and vegation in stormwater runoff mitigation through rice fields. Pest Management Science. 65: 1182-1188.

Yuan, Y., R.L. Bingner, and M.A. Locke.  A review of effectiveness of vegetative buffers in agricultural areas.  Accepted Ecohydrology July, 2009

Yuan, Y., M.A. Locke, and L.A. Gaston.  Tillage effects on soil properties and spatial variability in two Mississippi Delta watersheds.  Accepted Soil Sci. Vol. 174, April 27, 2009

Davis, Adam S., J. Christopher Hall, Marie Jasieniuk, Martin A. Locke, Edward C. Luschei, David A. Mortensen, Dean E. Riechers, Richard G. Smith, Tracy M. Sterling, and James H. Westwood. Weed science research and funding: A call to action.  Accepted Weed Sci. April 12, 2009

Gimsing, A.L., J. B?lum, F.E. Dayan, M.A. Locke, L.H. Sejer?,and C.S. Jacobsen. Mineralization of the allelochemicalsorgoleone in soil.  Accepted Chemosphere April 20, 2009

Schomberg, H.H., S. Wieth?lter, T.S. Griffin, D.W. Reeves, M.L. Cabrera, A.J. Franzluebbers, D.S. Fisher, D.M. Endale, J.M. Novak, K.S. Balkcom, R.L. Raper, N.R. Kitchen, M.A. Locke, K.N. Potter, R. Schwartz, C.C. Truman, and D.D. Tyler.  Assessing indices for predicting potential N mineralization in pedogenically distinct soils under different tillage management systems.  Accepted Soil Sci. Soc. Am. J. Feb. 21, 2009

Krutz, L.J., M.A. Locke, R.W. Steinriede Jr. 2009.  Interactions of Tillage and cover crop on water, sediment, and pre-emergence herbicide loss in glyphosate-resistant cotton:  Implications for the control of glyphosate-resistant weed biotypes.  J. Env. Qual. 38:1240-1247.

Kr?ger, R., M.T. Moore, M.A. Locke, R.F. Cullum, R.W. Steinriede, S. Testa, C.T. Bryant, and C.M. Cooper.  2009.  Evaluating the influence of wetland vegetation on chemical residence time in Mississippi Delta drainage ditches. Agric. Water Man. 96:1175-1179.

Moore, M.T., C.M. Cooper, S. Smith, Jr., R.F. Cullum, S.S. Knight, M.A. Locke, and E.R. Bennett.  2009.  Mitigation of two pyrethroid insecticides in a Mississippi Delta constructed wetland.  Environmental Pollution 157:250-256.

Yuan, Y., M.A. Locke, and R.L. Bingner.  2008.  AnnAGNPS model application for Mississippi Delta Beasley Lake watershed conservation practices assessment. J. Soil Water Cons. 63(6):542-551.

Locke, M.A., S.S. Knight, S. Smith, Jr., R.F. Cullum, R.M. Zablotowicz, Y. Yuan, and R.L. Bingner.  2008. Environmental quality research in Beasley Lake Watershed, 1995-2007: Succession from conventional to conservation practices. J. Soil Water Cons. 63(6):430-442.

Locke, M.A., R.M. Zablotowicz, and K.N. Reddy. 2008. Integrating soil conservation practices and glyphosate-resistant crops: Impacts on soil. Pest Man. Sci.64:457-469.

Locke, M.A., R.M. Zablotowicz, K.N. Reddy, and R.W. Steinriede. 2008. Tillage management to mitigate herbicide loss in runoff under simulated rainfall conditions. Chemosphere 70:1422-1428.

Smith, S., Jr., C.M. Cooper, R.E. Lizotte, M.A. Locke, and S.S. Knight. 2007. Pesticides in lake water in the Beasley Lake Watershed, 1998-2005. Int. J. Ecol. Environ. Sci. 33:61-71.

Zablotowicz, R.M., H.K. Abbas, and M.A. Locke. 2007. Population ecology of Aspergillusflavus associated with Mississippi Delta soils. Food Additives and Contaminants 24:1102-1108.

Moore, M.T., C.M. Cooper, S. Smith, Jr., R.F. Cullum, S.S. Knight, M.A. Locke, and E.R. Bennett. 2007. Diazinon mitigation in constructed wetlands: Influence of vegetation. Water, Air, & Soil Pollution 184:313-321.

Krutz, L.J., C.H. Koger, M.A. Locke, and R.W. Steinriede.  2007.  Reduced surface runoff losses of metolachlor in narrow-row compared to wide-row soybean.  J. Environ. Qual. 36:1331-1337.

Gaston, L., M. Locke, J. McDonald, S. Dodla, L. Liao, L. Putnam and T. Udeigwe.  2007.  Effects of tillage on norflurazon sorption, degradation and mobility in a Mississippi Delta Soil.  Soil Sci. 172: 534-545.

Zablotowicz, R.M., M.A. Locke, and L.A. Gaston.  2007.  Tillage and cover effects on soil microbial properties and fluometuron degradation.  Biol. Fert. Soil. 44:27-35.

Locke, M.A., R.M. Zablotowicz, R.M. Steinriede, and W.L. Kingery.  2007.  Degradation and sorption of fluometuron and metabolites in conservation tillage soils.  J. Agric. Food Chem. 55:844-851.

Zablotowicz, R.M., L.J. Krutz, K.N. Reddy, M.A. Weaver, C.H. Koger, and M.A. Locke.  2007.  Rapid development of enhanced atrazine degradation in a Dundee silt loam soil under continuous corn and in rotation with cotton.  J. Agric. Food Chem.55:852-859.

Zablotowicz, R.M., M.A. Locke, L.J. Krutz, R.N. Lerch, R.E. Lizotte, S.S. Knight, R.E. Gordon, and R.W. Steinriede.  2006.  Influence of watershed system management on herbicide concentrations in Mississippi Delta oxbow lakes.  Sci. Total Environ. 370:552-560.

Reddy, K.N., M.A. Locke, C.H. Koger, R.M. Zablotowicz, and L.J. Krutz.  2006.  Cotton and corn rotation under reduced tillage management: impacts on soil properties, weed control, yield, and net return.  Weed Sci. 54:768-774.

Matocha, M.A., L.J. Krutz, K.N. Reddy, S.A. Senseman, M.A. Locke, R.W. Steinriede, and E.W. Palmer.  2006.  Foliar washoff potential and surface runoff losses of trifloxysulfuron in cotton.  J. Agric. Food Chem.54:5498-5502.

Zablotowicz, R.M., M.A. Weaver, and M.A. Locke.  2006.  Microbial adaptation for accelerated atrazine mineralization/degradation in Mississippi Delta soils.  Weed Sci.54:538-547.

Dabney, S.M., M.A. Locke, and R.W. Steinriede.  2006.  Turbidity sensors track sediment concentrations in runoff from agricultural fields.  Proc. 8th Federal Interagency Sedimentation Conf., Reno, NV, April 2-6.

McDonald, J.A., L.A. Gaston, S.H. Jackson, M.A. Locke, and R.M. Zablotowicz.  2006.  Degradation kinetics assessment for the fungicide BAS 505 in intact soil cores versus batch soils.  Soil Sci. 171:239-248.

Dabney, S.M., M.T. Moore, and M.A. Locke.  2006.  Integrated management of in-field, edge-of-field, and after-field buffers.  J. Am. Water Resources Assoc. 42(1):15-24.

Locke, M.A., R.M. Zablotowicz, and M.A. Weaver.  2005.  Herbicide fate under conservation tillage, cover crop, and edge-of-field management practices.  H.P. Singh, D.R. Batish, and R.K. Kohli (eds.) Handbook of Sustainable Weed Management.  Haworth Press, New York, Chapter 13, pp. 373-392.

Locke, M.A., R.M. Zablotowicz, P.J. Bauer, R.W. Steinriede, and L.A. Gaston.  2005.  Conservation cotton production in the southern United States:  Herbicide dissipation in soil and cover crops.  Weed Sci.53:717-727.

Weaver, M.A., R.M. Zablotowicz, and M.A. Locke.  2004.  Laboratory assessment of atrazine and fluometuron degradation in soils from a Constructed wetland.  Chemosphere 57(8):853-862.

Abbas, H.K., R.M. Zablotowicz, and M.A. Locke.  2004.  Spatial variability of Aspergillusflavus soil populations under different crops and corn grain colonization and aflatoxins.  Can. J. Botany 82:1768-1775.

Massey, J.H., E.F. Scherder, R.E, Talbert, R.M. Zablotowicz, M.A. Locke, M.A. Weaver, M.C. Smith, and R.W. Steinriede.  2003.  Reduced water use and methane emissions from rice grown using intermittent irrigation.  Proc. 33rd Mississippi Water Resources Institute, pp. 27-35.

Zablotowicz, R.M., M.A. Locke, R. Lerch, and S.S. Knight.  2004.  Dynamics of herbicide concentrations in Mississippi Delta oxbow lakes and the role of planktonic microorganisms in herbicide metabolism.  In Water quality assessments in the Mississippi Delta: Regional solutions, national scope.  M.T. Nett, M.A. Locke, and D.A. Pennington, eds., ACS Symposium Ser. 877, pp. 134-149.

Wauchope, R.D., T. Strickland, and M.A. Locke.  2004.  National needs, regional solutions: The development of site-specific assessments of pesticides in water resources and a commentary on the MD-MSEA Symposium held at the National Meeting of the American Chemical Society, August 2001.  2004.  In Water quality assessments in the Mississippi Delta: Regional solutions, national scope.  M.T. Nett, M.A. Locke, and D.A. Pennington, eds., ACS Symposium Ser. 877, pp. 251-263.

Staddon, W.J., M.A. Locke, and R.M. Zablotowicz.  2004.  Spatial variability of cyanazine dissipation in soil from a conservation managed field.  In Water quality assessments in the Mississippi Delta: Regional solutions, national scope.  M.T. Nett, M.A. Locke, and D.A. Pennington, eds., ACS Symposium Ser. 877, pp. 179-193.

Shankle, M.W., D.R. Shaw, W.L. Kingery, and M.A. Locke.  2004.  Fluometuron adsorption to soil influenced by best management practices: Established filter strip and riparian zones.  In Water quality assessments in the Mississippi Delta: Regional solutions, national scope.  M.T. Nett, M.A. Locke, and D.A. Pennington, eds., ACS Symposium Ser. 877, pp. 164-178.

Locke, M.A.  2004.  Mississippi Delta Management Systems Evaluation Areas: Overview of water quality issues on a watershed scale.  In Water quality assessments in the Mississippi Delta: Regional solutions, national scope.  M.T. Nett, M.A. Locke, and D.A. Pennington, eds., ACS Symposium Ser. 877, pp. 1-15.

Locke, M.A., and R.M. Zablotowicz.  2004.  Pesticides in soil: Benefits and limitations to soil health.  In P. Schjonning, S. Elmholt, and B.T. Christensen., eds., Managing soil quality - Challenges in modern agriculture.  CABI Publishing, UK, pp. 239-260.

Reddy, K.N., R.M. Zablotowicz, M.A. Locke, and C.H. Koger.  2003.  Cover crop, tillage, and herbicide effects on weeds, soil properties, microbial populations, and soybean yield.  Weed Science   51:987-994.

Locke, M.A., R.M. Zablotowicz, and L.A. Gaston.  2003.  Environmental fate of fluometuron in a Mississippi Delta lake watershed.  In Terrestrial field dissipation studies: Purpose, design, and interpretation.  E.L. Arthur, A.C. Barefoot, and V.E. Clay, eds., ACS Symposium Ser. 842, pp. 206-225.

Knight, S. S., R.A. Rebich, S. Smith, Jr., J.D. Schreiber, M.A. Locke, and J.E. Hanks.  2002.  The Mississippi Delta Management Systems Evaluation Area Project.  Proc. 6th International Conf.on Diffuse Pollution. pp. 471-478.

Locke, M.A., R.M. Zablotowicz, R.W. Steinriede, and S.M. Dabney.  2002.  Conservation management practices in Mississippi Delta agriculture: Implications for crop production and environmental quality.  In Making conservation tillage conventional: Building a future on 25 years of research.  E. van Santen, ed., Proc. 25th Southern Conserv. Tillage Conf., Auburn, AL, pp. 320-326.

Locke, M.A., K.N. Reddy, and R.M. Zablotowicz.  2002.  Weed management in conservation production systems.  Weed Biol. Management 2:123-132.

Locke, M.A., K.N. Reddy, L.A. Gaston, and R.M. Zablotowicz.  2002.  Adjuvant modification of herbicide interactions in aqueous soil suspensions.  Soil Science 167:444-452.

Gaston, L.A. and M.A. Locke.  2002.  Differences in microbial biomass, organic carbon and dye sorption between flow and no-flow regions of unsaturated Dundee soil.  J. Env. Qual.31:1406-1408.

Staddon, W.J., M.A. Locke, and R.M. Zablotowicz.  2001.  Microbiological characteristics of a vegetative buffer strip soil and degradation and sorption of metolachlor.  Soil Sci. Soc. Am. J. 65:1136-1142.

Zablotowicz, R.M., M.A. Locke, W.J. Staddon, M.W. Shankle, D.R. Shaw, and W.R. Kingery.  2001.  Microbiological characteristics of a Mississippi Delta forested riparian zone.  In The Mississippi Delta Management Systems Evaluation Area project, 1995-1999.  R.A. Rebich and S.S. Knight, eds.  Mississippi Agricultural and Forestry Experiment Station Information Bulletin 377:218-222.

Zablotowicz, R.M., M.A. Locke, and S.S. Knight.  2001.  Microbiological characteristics and fluometuron concentrations in Mississippi Delta oxbow lakes.  In The Mississippi Delta Management Systems Evaluation Areas project, 1995-1999.  R.A. Rebich and S.S. Knight, eds.  Mississippi Agricultural and Forestry Experiment Station Information Bulletin 377:214-217.

Locke, M.A., W.J. Staddon, R.M. Zablotowicz, and S.M. Dabney.  2001.  Nutrient distribution in reduced tillage and conventional tillage cotton soils.  In The Mississippi Delta Management Systems Evaluation Areas project, 1995-1999.  R.A. Rebich and S.S. Knight, eds.  Mississippi Agricultural and Forestry Experiment Station Information Bulletin 377:144-148.

Gaston, L.A., M.A. Locke, R. M. Zablotowicz, and K.N. Reddy.  2001.  Spatial relationships among soil properties and weed populations in Beasley Lake watershed.  In  The Mississippi Delta Management Systems Evaluation Areas project, 1995-1999.  R.A. Rebich and S.S. Knight, eds.  Mississippi Agricultural and Forestry Experiment Station Information Bulletin 377:100-104.

Gaston, L.A., M.A. Locke, R.M. Zablotowicz, and K.N. Reddy.  2001.  Spatial variability of soil properties and weed populations in the Mississippi Delta.  Soil Sci. Soc. Am. J. 65:449-459.

Gaston, L.A., and M.A. Locke.  2001.  Comparison of methodologies for the extraction of acifluorfen from soil.  Comm. SoilSci. Plant Anal.32:2953-2964.

Zablotowicz, R.M., R.E. Hoagland, H. Lee, T. Alber, J.T. Trevors, J.C. Hall, and M.A. Locke.  2001.  Transformation of nitroaromatic pesticides and related xenobiotics by microorganisms and plants.  In Pesticide Biotransformations in Plants and Microorganisms: Similarities and divergences.  J.C. Hall, R.E. Hoagland, and R.M. Zablotowicz, eds., ACS Symposium Ser. 777:194-216.

Zablotowicz, R.M., M.A. Locke, R.E. Hoagland, B. Cash, and S.S. Knight.  2001.  Fluorescent Pseudomonas isolates from Mississippi Delta oxbow lakes: In vitro herbicide biotransformations.  Environmental Toxicology 16:9-19.

Zablotowicz, R.M., R.E. Hoagland, W.J. Staddon, and M.A. Locke.  2000.  Effects of pH on chemical stability and de-esterification of fenoxaprop-ethyl by purified enzymes, bacterial extracts, and soils.  J. Agric. Food Chem.48:4711-4716.

Zablotowicz, R.M., M.A. Locke, L.A. Gaston, and C.T. Bryson.  2000.  Interactions of tillage and soil depth on fluometuron degradation in a Dundee silt loam soil. Soil and Tillage Research 57:61-68.

Zablotowicz, R.M., M.A. Locke, and S.S. Knight.  2000.  Microbiological characteristics and concentrations of fluometuron in surface water from oxbow lakes in the Mississippi Delta MSEA project.  In J.A. Ballweber (Ed.), Proc. Mississippi Water Resources Conference, pp. 38-42.

Kingery, W.L., A.J. Simpson, M.H.B. Hayes, M.A. Locke, and R.P. Hicks.  2000.  The application of multi-dimensional NMR to the study of soil humic substances.  Soil Sci.165:483-494.

Gaston, L.A., and M.A. Locke.  2000.  Acifluorfen sorption, degradation and mobility in a Mississippi Delta Soil.  Soil Sci. Soc. Am. J. 64:112-121.

Cooper, C.M., R.A. Rebich, and M.A. Locke.  1999.  The Mississippi Delta Management Systems Evaluation Areas Project: An overview. Proceedings of the Third National Workshop on Constructed Wetlands Conference / Best Management Practices for Nutrient Reduction and Coastal Water Protection, New Orleans, LA, June 9-12.  USDA-CSREES-ASEQ, USEPA, USDA-ARS, CTIC, and ASAE.pp. 33-34.

Zablotowicz, R.M., R.E. Hoagland, and M.A. Locke.  1998.  Biostimulation: Enhancement of cometabolic pathways in pesticide-contaminated soils.  In P.C. Kearney and T.R. Roberts, eds.,Pesticide remediation in soils and water, John Wiley & Sons. pp. 217-250.

Zablotowicz, R.M., K.K. Schrader, and M.A. Locke.  1998.  Algal transformation of fluometuron and atrazine by N-dealkylation.  J. Environ. Sci. Health 33:511-528.

Reddy, K.N., and M.A. Locke.  1998.  Sulfentrazone sorption, desorption, and mineralization in soils from two tillage systems.  Weed Sci.46:494-500.

Zablotowicz, R. M., M.A. Locke, and R.J. Smeda.  1998.  Degradation of 2,4-D and fluometuron in cover crop residues.  Chemosphere 37:87-101.

Reddy, K.N., M.A. Locke, and R.M. Zablotowicz.  1997.  Soil type and tillage effects on sorption of cyanazine and degradation products.  Weed Sci.45:727-732.

Reddy, K.N., M.A. Locke, and L.A. Gaston.  1997.  Tillage and cover crop effects on cyanazine adsorption and desorption kinetics.  Soil Sci.162:501-509.

Goli, D.M., M.A. Locke, and R.M. Zablotowicz.  1997.  Supercritical fluid extraction from soil and HPLC analysis of cyanazine herbicide.  J. Agric. Food Chem.45:1244-1250.

Locke, M.A., and C.T. Bryson.  1997.  Herbicide-soil interactions in reduced tillage and plant residue management systems.  WeedSci.45:307-320.

Locke, M.A., L.A. Gaston, and R.M. Zablotowicz.  1997.  Acifluorfen sorption and sorption kinetics in soil.  J. Agric. Food Chem.45:286-293.

Hoagland, R.E., R.M. Zablotowicz, and M.A. Locke.  1997.  An integrated phytoremediation strategy for chloroacetamide herbicides in soil.  In E.L. Kruger, T.A. Anderson, and J.R. Coats, eds.,Phytoremediation of soil and water contaminants.  ACS Symposium Series Vol.664:92-105.

Zablotowicz, R.M., M.A. Locke, and R.E. Hoagland.  1997.  Aromatic nitroreduction of acifluorfen in soils, rhizospheres, and pure cultures of rhizobacteria.  In E.L. Kruger, T.A. Anderson, and J.R. Coats, eds.,Phytoremediation of soil and water contaminants.  ACS Symposium Series Vol.664:38-53.

Locke, M.A., R.J. Smeda, K.D. Howard, and K.N. Reddy.  1996.  Clomazone volatilization under varying environmental conditions.  Chemosphere 33:1213-1225.

Gaston, L.A., and M.A. Locke.  1996.  Bentazon mobility through intact, unsaturated columns of conventional- and no-till Dundee soil.  J. Environ. Qual.25:1350-1356.

Locke, M.A., R.M. Zablotowicz, and L.A. Gaston.  1996.  Effect of tillage on alachlor sorption and biotransformation in soil.  In Second International Weed Control Congress, Copenhagen, Denmark.  Vol. 1:287-292.

Wagner, S.C., R.M. Zablotowicz, L.A. Gaston, M.A. Locke, and J. Kinsella.  1996.  Bentazon degradation in soil:  Influence of tillage and history of bentazon application.  J. Agric. Food Chem.44:1593-1598.

Reddy, K.N., and M.A. Locke.  1996.  Imazaquin spray retention, foliar washoff, and runoff losses under simulated rainfall.  Pestic. Sci. 48:179-187.

Locke, M.A., L.A. Gaston, and R.M. Zablotowicz.  1996.  Alachlor biotransformation and sorption in soil from two soybean tillage systems.  J. Agric. Food Chem.44:1128-1134.

Reddy, K.N., and M.A. Locke.  1996.  Molecular properties as descriptors of Kow of herbicides.  Water, Air, and Soil Pollution 86:389-405.

Gaston, L.A., M.A. Locke, S.C. Wagner, R.M. Zablotowicz, and K.N. Reddy.  1996.  Sorption of bentazon and degradation products in two Mississippi soils.  Weed Sci.44:678-682.

Gaston, L.A., M.A. Locke, and R.M. Zablotowicz.  1996.  Sorption and degradation of bentazon in conventional- and no-till Dundee soil.  J. Environ. Qual.25:120-126.

Reddy, K.N., M.A. Locke, and K.D. Howard.  1995.  Bentazon spray retention, activity, and foliar washoff in weed species.  Weed Tech.9:773-778.

Reddy, K.N., M.A. Locke, S.C. Wagner, R.M. Zablotowicz, L.A. Gaston, and R.J. Smeda.  1995.  Chlorimuron ethyl sorption and desorption kinetics in soils and herbicide-desiccated cover crop residues.  J. Agric.Food Chem.43:2752-2757.

Wagner, S.C., R.M. Zablotowicz, M.A. Locke, R.J. Smeda, and C.T. Bryson.  1995.  Influence of herbicide-desiccated cover crops on biological soil quality in the Mississippi Delta.  p. 86-89 In W.L. Kingery and N. Buehring, eds.  Conservation farming:  A focus on water quality.  MAFES Special Bull. 88-7.

Locke, M.A., R.M. Zablotowicz, and L.A. Gaston.  1995.  Fluometuron interactions in crop residue-managed soils.  p. 55-58 In W.L. Kingery and N. Buehring, eds. Conservation farming:  A focus on water quality.  MAFES Special Bull. 88-7.

Zablotowicz, R.M., R.E. Hoagland, M.A. Locke, and W.J. Hickey.  1995.  Glutathione-S-transferase activity and metabolism of glutathione conjugates by rhizosphere bacteria. Appl. Environ. Microbiol.61:1054-1060.

Reddy, K.N., R.M. Zablotowicz, and M.A. Locke.  1995.  Chlorimuron adsorption, desorption, and degradation in soils from conventional tillage and no-tillage systems.  J. Environ. Qual.24:760-767.

Gaston, L.A., and M.A. Locke.  1995.  Fluometuron sorption and transport in Dundee soil.  J. Environ. Qual. 24:29-36.

Reddy, K.N., M.A. Locke, and C.T. Bryson.  1994.  Foliar washoff and runoff losses of lactofen, norflurazon, and fluometuron under simulated rainfall.  J. Agric. Food Chem.42:2338-2343.

Gaston, L.A., and M.A. Locke.  1994.  Predicting alachlor mobility using batch sorption kinetic data.  Soil Sci.158:345-354.

Hoagland, R.E., R.M. Zablotowicz, and M.A. Locke.  1994.  Propanil metabolism by rhizospheremicroflora.  In T.A. Anderson and J.R. Coats, eds., Bioremediation through rhizosphere technology.  ACS Symposium Series.  Vol. 563:160-183.

Zablotowicz, R.M., R.E. Hoagland, and M.A. Locke.  1994.  Glutathione-S- transferase activity in rhizosphere bacteria and the potential for herbicide detoxification.  In T.A. Anderson and J.R. Coats, eds.  Bioremediationthrough rhizosphere technology.ACS Symposium Series. Vol. 563:184-198.

Reddy, K.N., and M.A. Locke.  1994.  Relationships between molecular properties and log P and soil sorption (Koc) of substituted phenylureas:  QSAR models.  Chemosphere 28:1929-1941.

Reddy, K.N., and M.A. Locke.  1994.  Prediction of soil sorption Koc of herbicides using semiempirical molecular properties.  Weed Sci.  42:453-461.

Reddy, K.N., and M.A. Locke.  1994.  Supercritical CO2 fluid extraction of imazaquin from soil.  Weed Sci.42:249-253.

Locke, M.A., S.S. Harper, and L.A. Gaston.  1994.  Metribuzin mobility and degradation in undisturbed soil columns.  Soil Sci.157:279-288.

Locke, M.A.  1993.  Supercritical CO2 fluid extraction of fluometuron herbicide from soil. J. Agric. Food Chem.41:1081-1084.

Locke, M.A.  1992.  Sorption-desorption kinetics of alachlor in surface soil from two soybean tillage systems.J. Environ. Qual.21:558-566.

Mueller, T.C., T.B. Moorman, and M.A. Locke.  1992.  Detection of herbicides using fluorescence spectroscopy.  Weed Sci.40:270-274.

Locke, M.A., and R.G. Hanson.  1991.  Calibration of corn response to Bray I, Bray II, and Mehlich II extractable soil phosphorus.  Comm. SoilSci. Plant Anal. 22(11/12):1101-1121.

Locke, M.A., and S.S. Harper.  1991.  Metribuzin degradation in soil:  II -- Effects of tillage.  Pestic. Sci.31:239-247.

Locke, M.A., and S.S. Harper.  1991.  Metribuzin degradation in soil:  I -- Effects of soybean residue, metribuzin level, and soil depth.  Pestic.Sci.31:221-237.

Locke, M.A., J.V. Pothuluri, T.B. Moorman, and S.S. Harper.  1990.  Efficiency of methanol water solutions for the extraction of metribuzin from selected soils.  Comm. Soil Sci. Plant Anal. 21(17/18):2141-2152.

Harper, S.S., T.B. Moorman, and M.A. Locke.  1990.  Pesticide biodegradation in subsurface terrestrial environment and impact of groundwater pollution.  Develop. Indust. Microbiol.31:65-73.

Hons, F.M., L.A. Larson, and M.A. Locke.  1990.  NH4OAc-EDTA extractable phosphorus as a soil test procedure.  Soil Sci.148:249-256.

Locke, M.A., and F.M. Hons.  1989.  Effect of tillage method and fertilizer placement on recovery of labeled fertilizer.  Soil Sci.147:215-222.

Locke, M.A., and F.M. Hons.  1988.  Effect of N rate and tillage on yield, N accumulation, and leaf N concentration of grain sorghum.  Soil and Tillage Res. 12:223-233.

Locke, M.A., and F.M. Hons.  1988.  Tillage effects on seasonal accumulation of labeled fertilizer N in sorghum.  Crop Sci.28:694-700.

Locke, M.A., and F.M. Hons.  1988.  Fertilizer placement effects on seasonal N accumulation and yield of no-tillage and conventional tillage sorghum.  Agron. J. 80:180-185.

Hons, F.M., M.A. Locke, and R.G. Lemon.  1988.  Nitrogen requirements of conservation tillage systems.  In F.M. Hons, ed., Conservation tillage in Texas, TAES Research Monograph 15:29-39.  (Monograph)