Directory Information for Jeffrey G. White

Specialty: Soil Productivity, Nutrient Management-Water Quality, and Remote Sensing

Research interests include site-specific soil fertility, productivity, and nutrient management for precision agriculture and land application of biosolids, with an emphasis on remote sensing and related geospatial technologies. Current research aims to characterize soil spatial variability and determine its effects on crop productivity and on the environmental impacts of agriculture and land application of biosolids on soil and water quality. In principle, nutrient-use efficiency and environmental stewardship can be improved by tailoring management to accommodate natural and anthropogenic soil spatial variability. Other research includes studies on: crop productivity, soil moisture relationships, and soil physical properties in different tillage systems; the effects of biochar on crop productivity and soil physical and chemical properties; and the use of aerial and satellite remote sensing (passive microwave radiometry and radar) to estimate soil moisture. A variety of remote sensing techniques such as ground penetrating radar and electromagnetic induction measurement of soil electrical conductivity are being used to characterize soils and manage them for agriculture and wetland restoration. Previous research has included studies of the effects of tillage and fertilization timing on N-use efficiency in corn, relationships between soil spatial variability and sweetpotato production, soil micronutrient mapping using geostatistics and GIS, and Farming Systems Research in Burundi (Africa).

Publications:

1. Research
   1. Publications
      1. Refereed Journals
         • Duffera, M., J.G. White, and R.W. Weisz. 2007. Spatial variability of southeastern U.S. coastal plain soil physical properties: Implications for site-specific management. Geoderma 137: 327–339.
         • Hong. N., J.G. White, R. Weisz, M.L. Gumpertz, M.G. Duffera, and D.K. Cassel. 2007. Groundwater nitrate spatial and temporal patterns and correlations: Influence of natural controls and nitrogen management. Vadose Zone Journal 6:53–66.
         • Weisz, R., R. P. Sripada, R.W. Heiniger, J.G. White, and D.C. Farrer. 2007. In-Season Tissue Testing to Optimize Soft Red Winter Wheat Nitrogen Fertilizer Rates: Influence of Wheat Biomass. Agron. J. 99:511-520.
         • Williams, J.D., C.R. Crozier, J.G. White, R.P. Sripada, and D.A. Crouse. 2007. Comparison of soil nitrogen tests for corn fertilizer recommendations in the humid southeastern USA. Soil Science Society of America Journal 71: 171-180.
         • Williams, J.D., C.R. Crozier, J.G. White, R.W. Heiniger, R.P. Sripada, and D.A. Crouse. 2007. Illinois Soil Nitrogen Test Predicts Southeastern U.S. Corn Economic Optimum Nitrogen Rates. Soil Sci. Soc. Am. J. 71:735-744.
         • Farrer, D., R. Weisz, R.W. Heiniger, P. Murphy, and J.G. White. 2006. Minimizing protein variability in soft red winter wheat: Impact of nitrogen application timing and rate. Agronomy Journal 98:1137-1145.
         • Hong, N., J.G. White, R. Weisz, C.R. Crozier, M.L. Gumpertz, and D.K. Cassel. 2006, Remote sensing-informed variable-rate nitrogen management of wheat and corn: agronomic and groundwater outcomes. Agron. J. 98:327-338.
         • Sripada, R.P., R.W. Heiniger, J.G. White, C.R. Crozier, and A.D. Meijer. 2006, Attempt to validate a remote sensing-based late-season corn nitrogen requirement prediction system. Crop Management. Online doi:10.1094/CM-2006-04XX-01-RS
         • Szuch, R.P., J.G. White, M.J. Vepraskas, and J.A. Doolittle. 2006. Application of ground-penetrating radar to aid restoration planning for a drained Carolina Bay. Wetlands. 26(1):205-216.
         • Szuch, R.P., J.G. White, M.J. Vepraskas, and J.A. Doolittle. 2006. Finding the soil surface in ground-penetrating radar profiles: the lift test. Soil Survey Horizons 47(1): 10-12.
         • Flowers, M., R. Weisz, and J. G. White. 2005. Yield-Based Management Zones and Grid Sampling Strategies: Describing Soil Test and Nutrient Variability. Agron. J. 97: 968-982.
         • Hong, N., J. G. White, M. L. Gumpertz, and Randy Weisz. 2005. Spatial Analysis of Precision Agriculture Treatments in Randomized Complete Blocks: Guidelines for Covariance Model Selection. Agron. J. 97:1082-1096.
         • Sripada, R., R.W. Heiniger, J.G. White, and R. Weisz. 2005. Aerial color infrared photography for determining late-season nitrogen requirements in corn. Agronomy Journal 95:1443-1451.
         • Weisz, R., J.G. White, R. Heiniger, B. Knox, and L. Reed. 2003. Long-term variable rate lime and phosphorus application for Piedmont no-till field crops. Precision Agriculture 4: 311-330.
         • White, J.G. and R.J. Zasoski. 1999. Mapping soil micronutrients. Field Crops Research 60: 11-26.
      2. Peer Reviewed Proceedings
         • Crouse, D.A., J.L. Havlin, R.G. McBride, J.G. White, R. Heiniger, R. Weisz, and G. Roberson. 2000. Precision Farming Education At NC State University. Proceedings of the Fifth International Conference on Precision Agriculture and Other Precision Resources Management. P.C. Robert (eds.). Bloomington/Minneapolis, MN.
2. Technical Report
   1. Refereed
      • White, J.G. and W.B. Burdine, Jr. 1999. Effects of nitrogen rates, timing, and methods of application on no-till and conventional corn. P. 30-32. In 1998 Annual Research Report: North Mississippi Research and Extension Center. Mississippi Agric. and Forestry Exp. Stn. Bull. 347.
      • White, J.G., P.G. Thompson, W.B. Burdine, Jr., and J.L. Main. 1999. Cover crop soil conservation systems for sweetpotato production. P. 312-314. In 1998 Annual Research Report: North Mississippi Research and Extension Center. Mississippi Agric. and Forestry Exp. Stn. Bull. 347.
      • White, J.G., W.B. Burdine, Jr., P.G. Thompson, and J.L. Main. 1999. Effects of soil spatial variability on sweetpotato yield and quality. P. 304-311. In 1998 Annual Research Report: North Mississippi Research and Extension Center. Mississippi Agric. and Forestry Exp. Stn. Bull. 347.