Biologia Plantarum · 1987 · 30 citations · 1 references
AgricultureAgronomyCrop SciencesCrop ProductionSoil FertilitySoil Organic MatterCrop Nutrient RequirementsNitrogen AssimilationNitrogen CycleNitrogen CyclingNitrogen ManagementNitrogen NutritionNitrogen Effects On YieldNitrogen Fertilization EffectsNitrogen Fertilizer ManagementNitrogen Fixation In Cropping SystemsPlant-available Nitrogen
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L. T. Evans · Field Crops Research · 1986 · 261 citations
Agriculture, Agronomy, Crop Sciences +12