Pakistan Journal of Biological Sciences · 2004 · 25 citations · 2 references
AgricultureAgronomyPlant SciencesCrop ProductionNutrient ManagementPlant NutritionCrop GrowthNitrogen ManagementNitrogen NutritionNutrient AvailabilitySoil Nutrient AvailabilitySoil-plant Nutrient RelationsManure Nitrogen ManagementManure Nutrient AvailabilityNitrogen Deficiency ToleranceNitrogen Effects On YieldNitrogen Fertilization EffectsPlant Nitrogen UptakePlant-available Nitrogen
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The role of soil organic matter in sustaining soil fertility
H. Tiessen, Elvira Cuevas, Prudencio Chacón · Nature · 1994 · 952 citations