David James
USDA-ARS National Laboratory for Agriculture & the EnvironmentUSDA-ARS-NLAE
2110 University Blvd
Ames, IA
USA 50011-3120
Email: david.james@ars.usda.gov
Papers:
331-7 Soil Carbon and Nutrient Contents Following Afforestation and Reforestation of Marginal Cropland in Iowa.