Agriculture Ecosystems & Environment · 2012 · 69 citations · 17 references
AgricultureAgronomySoil SciencesSoil ChemistrySoil FertilitySoil ScienceNitrogen ManagementNitrogen RecoveryNutrient LossesNutrient RecoveryNutrient RetentionNutrient Retention In SoilsNutrient Recovery SystemsRecovery EfficiencyRecovery Efficiency TestingUrea Mineralization
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An Earth-system perspective of the global nitrogen cycle
Nicolas Gruber, James N. Galloway · Nature · 2008 · 3.6K citations
Nutrient Imbalances in Agricultural Development
Peter M. Vitousek, Rosamond L. Naylor, Timothy E. Crews et al. · Science · 2009 · 1.4K citations
Agriculture, Agronomy, Soil Sciences +17