RePEc: Research Papers in Economics · 1999 · 54 citations · 0 references
AgricultureAgronomySoil SciencesSoil BiogeochemistrySoil FertilitySoil ScienceNutrient AvailabilityNutrient BalanceNutrient LossesSoil Nutrient AvailabilitySoil Nutrient CyclingSoil-plant Nutrient RelationsAgricultural Nutrient LossesDepleted SoilsNutrient-poor SoilsSoil Nutrient DepletionSoil Nutrient Management