Concepedia
1979 · 23 citations · 0 references
AgricultureAgronomyPlant SciencesCrop ProductionPlant NutritionSoil FertilityFertilizer SourcesNitrogen AssimilationNitrogen FixationNitrogen ManagementNitrogen NutritionSoil-plant Nutrient RelationsNitrogen Effects On YieldNitrogen Source ManagementPlant-available Nitrogen