Gurbir Singh

Gurbir Singh

Assistant Research Professor

Agronomy - Irrigation

Mailing Address:
Delta Research and Extension Center
P.O. Box 197
Stoneville, MS 38776
Physical Address:
National Center for Alluvial Aquifer Research
82 Stoneville Rd.
Stoneville, MS 38776
Research/Extension Assignments:
  • Soil fertilty
  • Soil health
  • Water quality
  • Irrigation
  • Drainage water management

  • Ph.D., Southern Illinois University, Agricultural Sciences
  • M.S., University of Missouri, Environmental Soil Chemistry
  • B.S., Punjab Agricultural University, Soil Science

Society Membership:
  • American Society of Agronomy
  • Crop Science Society of America
  • Soil Science Society of America


  • Adler, R. L., G. Singh, K. A. Nelson, J. Weirich, P. P. Motavalli, R. J. Miles. 2020. Cover crop impact on crop production and nutrient loss in a no-till terrace topography. Journal of Soil and Water Conservation 75(2):153-165. Download
  • Bararpour, T., G. Singh, R. R. Hale, G. Kaur. 2020. Reducing grain sorghum (sorghum bicolor l. moench) injury from post-emergence application of mesotrione with dicamba. Journal of Agricultural Science 12(12). Download
  • Bararpour, T., J. A. Bond, G. Singh, R. R. Hale, M. Edwards, B. H. Lawrence. 2020. Glyphosate-resistant Italian ryegrass (Lolium perenne L. spp. multiflorum) control and seed suppression in Mississippi. Agronomy 10(2):162. Download
  • Dhakal, M., G. Singh, R. L. Cook, T. Sievers. 2020. Modeling hairy vetch and cereal rye cover crop decomposition and nitrogen release. Agronomy 10(5):701.  Download
  • Kaur, G., G. Singh, P. Motavalli, K. Nelson, J. Orlowski, B. R. Golden. 2020. Impacts and management strategies for crop production in waterlogged/flooded soils: A Review. Agronomy Journal 112(3):1475-1501.  Download
  • Kaur, G., K. A. Nelson, P. P. Motavalli, G. Singh. 2020. Adaptation to early-season soil waterlogging using different nitrogen fertilizer practices and corn hybrids. Agronomy 10(3):378. Download
  • Kaur, G., P. P. Motavalli, K. Nelson, G. Singh, T. Bararpour. 2020. Soil waterlogging and nitrogen fertilizer source effects on soil inorganic nitrogen. Journal of Mississippi Academy of Sciences 65(3):300-318.
  • Nash, P., G. Singh, K. Nelson. 2020. Nutrient loss from floodplain soil with controlled subsurface drainage under forage production. Journal of Environmental Quality 49(4):1000-1010.  Download
  • Singh, G., A. D. Thilakarathne, K. W. Williard, J. E. Schoonover, C. Rachel, K. Gage, R. McElroy. 2020. Tillage and legume non-legume cover cropping effects on corn-soybean production. Agronomy Journal 112(4):2636-2648. Download
  • Singh, G., G. Kaur, K. W. Williard, J. E. Schoonover, T. Barapour. 2020. Cover crops and landscape positions impact infiltration and anion leaching in a corn-soybean rotation. Journal of Mississippi Academy of Sciences 65 (3):346-357.
  • Singh, G., G. Kaur, K. Williard, J. Schoonover, K. A. Nelson. 2020. Managing phosphorus loss from agroecosystems of the Midwestern United States: A review. Agronomy 10(4):561. Download
  • Singh, G., G. Kaur, K. Williard, K. Nelson, J. Schoonover. 2020. Cover crops and topography differentially influence weeds at a watershed scale. Weed Technology 34(1):73-81. Download
  • Singh, G., M. Dhakal, L. Yang, K. W. Williard, J. E. Schoonover, A. Sadeghpour, G. Kaur. 2020. Decomposition and nitrogen release of cover crops in reduced and no-tillage systems. Agronomy Journal 112(5):3605-3618. Download
  • Nelson, K. A., G. Singh. 2019. Comparison of applicator knives for fall and spring strip-till applied anhydrous ammonia. Crop, Forage and Turfgrass Management 5(1):1-8.  Download
  • Singh, G., J. E. Schoonover, K. W. Williard, A. L. Sweet, J. Stewart. 2019. Giant cane vegetative buffer for improving soil and surface water quality. Journal of Environmental Quality 48(2):330-339. Download
  • Singh, G., K. A. Nelson. 2019. Pronitridine and nitrapyrin with anhydrous ammonia for corn. Journal of Agricultural Science 11(4):13-24. Download
  • Singh, G., K. W. Williard, J. E. Schoonover, K. Nelson, G. Kaur. 2019. Cover crops and landscape position effects on nitrogen dynamics in plant-soil-water pools. Water 11(3):513. Download
  • Singh, G., N. M. M. Mejia, K. W. J. Williard, J. E. Schoonover, J. W. Groninger. 2019. Watershed vulnerability to invasive N2—fixing autumn olive and consequences of stream nitrogen concentrations. Journal of Environmental Quality 48(3):614-623. Download
  • Smith, R. M., G. Kaur, J. M. Orlowski, J. Mahaffey, C. B. Edwards, G. Singh, T. Irby, K. J. Krutz, L. Falconer, D. R. Cook, D. Chastain. 2019. Evaluation of planter errors associated with twin-row soybean production in Mississippi. Agronomy Journal 111(4):1643-1649. Download
  • Smith, R. M., G. Kaur, J. Orlowski, G. Singh, D. Chastain, J. T. Irby, L. J. Krutz, L. L. Falconer, D. R. Cook. 2019. Narrow-row production system for soybeans in Mississippi Delta. Crop, Forage, and Turfgrass Management 5(1):1-6. Download
  • Steusloff, T. W., G. Singh, K. A. Nelson, P. P. Motavalli. 2019. Enhanced efficiency liquid nitrogen fertilizer management for corn production. International Journal of Agronomy 9879273. Download
  • Steusloff, T. W., K. A. Nelson, P. P. Motavalli, G. Singh. 2019. Urea nitrapyrin placement effects on soil nitrous oxide emissions in claypan soil. Journal of Environmental Quality 48(5):1444-1453.  Download
  • Steusloff, T., K. Nelson, P. P. Motavalli, G. Singh. 2019. Fertilizer placement affects corn and nitrogen use efficiency in a claypan soil. Agronomy Journal 111(5):2512-2522. Download
  • Singh, G., G. Kaur, K.W. Williard, J. Schoonover, and J. Kang. 2018. Monitoring of water and solute transport in the Vadose zone: A review. Vadose Zone Journal 17:160058. Download
  • Singh, G., K. W. J. Williard, J. E. Schoonover. 2018. Cover crops and tillage influence on nitrogen dynamics in plant-soil-water pools. Soil Science Society of America Journal 82:1572-1582. Download
  • Singh, G., K.W. Williard, J. Schoonover, G. Kaur, J. Crim. 2018. Carbon and nitrogen pools in deep soil horizons at different landscape positions. Soil Science Society of America Journal 82:1512-1525. Download