Concepedia
Soil Science · 1943 · 20 citations · 0 references
AgricultureAgronomySoil SciencesSoil FertilitySoil Organic MatterSoil ScienceNitrogen Fixation In SoilsPlant-soil Nutrient InteractionsSoil Fertility MaintenanceSoil Fertility ManagementNitrogen Fixation In Agroecosystems