Long-term influences of biochar, manure, or sawdust additions on soil water retention in silt loam
Rodrick (Rick) Lentz
U.S. Department of Agriculture, Agricultural Research Service
Agriculture & Horticulture
Carrot, Corn, Lettuce and Soybean Nutrient Contents are Affected by Biochar
Effects of soil amendment with biochar and irrigation on the fate of nitrogen fertilizer
Suduan Gao
U.S. Department of Agriculture, Agricultural Research Service