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AgricultureAgronomyCrop SciencesCrop ProductionSoil FertilitySoil Organic MatterLegume CropsNitrogen AssimilationNitrogen CycleNitrogen ManagementSoil-plant Nutrient RelationsTillage SystemsCrop Nitrogen Requirement EstimationCrop Nutrient Response ModelingLegume ContributionNitrogen Fertilization EffectsNitrogen Response ModelingNo-till AgricultureYield Response Curves