Plant and Soil · 1975 · 15 citations · 9 references
AgricultureAgronomyPlant SciencesPlant NutritionPlant PhysiologySoil ChemistryBiological Nitrogen FixationNitrogen AssimilationNitrogen CycleNitrogen FixationNitrogen ManagementSoil-plant Nutrient RelationsInorganic Nitrogen PoolsLeaf Nitrogen ContentNitrogen Content AnalysisNitrogen Content EstimationPlant-available Nitrogen
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