Journal of Applied Ecology · 1974 · 20 citations · 0 references
AgricultureEnvironmental ManagementOrganic AgricultureBiogeochemistrySoil FertilitySoil Organic MatterAgricultural HistoryOrganic Materials ConservationOrganic Matter AccumulationOrganic Nutrient ManagementOrganic Nutrient SourcesPhosphorus CycleOrganic Farming SystemsOrganic Land ManagementOrganic Nutrient Pools