Soil Science · 1949 · 63 citations · 0 references
AgricultureAgronomySoil SciencesSoil ManagementSoil Organic MatterSoil ScienceOrganic Matter AccumulationOrganic Matter DecompositionOrganic Matter TurnoverSoil Fertility MaintenanceSoil Fertility ManagementSoil Organic Matter FractionsOrganic Matter AvailabilitySoil Organic Matter ContentSoil Organic Matter ContributionsSoil Organic Matter Effects On Nutrient AvailabilitySoil Organic Matter Loss
U. S. Department of Agriculture1 1 Division of Soil Management and Irrigation, Beltsville, Maryland.