Agricultural Systems · 1982 · 92 citations · 0 references
Natural SciencesEcologyEnvironmental SciencesEcosystem EcologyNutrient CyclingSoil FertilityNitrogen CycleNitrogen CyclingNitrogen ManagementPhosphorus CyclePlant-nutrient CyclingSoil Nutrient CyclingBiological Nitrogen CyclingMicrobial Nitrogen CyclingNitrogen Cycling DynamicsNitrous Oxide CyclingOrganic Nitrogen Cycling