Directory Information for David Hardy

Specialty: Nutrient Management and Water Quality Issues

David H. Hardy is section chief of Soil Testing for the Agronomic Division within the North Carolina Department of Agriculture and Consumer Services. In this position, he manages one of the largest and most technologically advanced laboratories in the country, providing analysis of more than 300,000 samples annually for farmers and homeowners throughout the state. David also is involved in applied field research to validate soil test recommendations and serves on committees that deal with nutrient management issues.

Publications:

1. Extension
   1. Publications
      1. Bulletins
         1. Nutrient Management
            1. Economics
               • SoilFacts: The Economics of Fertilizer Management
            2. Crop Production
               • SoilFacts: Ammonium Sulfate Liquor - A Potential Nitrogen Source for Crops
            3. Fertilizers
               • SoilFacts: Sulfur Fertilization of North Carolina Crops
            4. Liming
               • SoilFacts: Soil Acidity and Liming for Agricultural Soils
            5. Soil Sampling
               • SoilFacts: Deep Soil Sampling for Nutrient Management
               • SoilFacts: Careful Soil Sampling-The Key to Reliable Soil Test Information
2. Research
   1. Publications
      1. Refereed Journals
         • Cahill, S., A. Johnson, D. Osmond, and D. Hardy. 2008. Response of corn and cotton to starter phosphorus on soils testing very high in phosphorus. Agron. J. 100:537-542.
         • Crozier, C.R., B. Walls, D.H. Hardy, and J.S. Barnes. 2004. Response of cotton to P and K Soil Fertility Gradients in North Carolina. Journal of Cotton Science
         • Weber, J. B., D. H. Hardy, and R. B. Leidy. Laboratory, greenhouse, and field lysimeter studies of 14C-atrazine volatilization. In W. Phelps, Ed., Bridging the Gap Between Environmental Fate Laboratory and Field Dissipation Studies in the Registration Process. Am. Chem. Soc. Series, American Chemical Society, Washington, DC. (in press)
         • Weber, J.B., D.H. Hardy, and R.B. Leidy. Laboratory, greenhouse, and field lysimeter studies of 14-C-atrazine volatilization. pp. 125-142. In W. Phelps, K. Winton, and W.R. Effland, eds., Bridging the Gap Between Laboratory and Field Studies. Am. Chem. Soc. Sym. Series 813, American Chemical Society, Washington, DC.
         • May, R. M. and D. H. Hardy. 1999. Agricultural water quality. 84th National Assoc. of County Agricultural Agents, Applied Research Division, The County Agent, Volume LIX, Number 5, p. 7.