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Comparative effectiveness of cattle manure, poultry manure, phosphocompost and fertilizer-NPK on three cropping systems in vertisols of semi-arid tropics. I. Crop yields and system performance

Semi-arid TropicsCropping SystemSustainable AgricultureAgricultural EconomicsSustainable Crop ProductionSoil ManagementSystem PerformanceCattle ManurePublic HealthAgricultureSoil FertilityNutrient Management