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文献信息
Soil PropertiesCation Exchange CapacitySoil FertilityIntegrated Nutrient ManagementCropping SystemSoil Organic CarbonWheat CroppingAvailable SulphurOrganic CarbonAvailable NutrientsNutrient UptakeExchangeable Sodium PercentageFarmyard ManureSoil SamplesNutrient ManagementRock PhosphateSoil TestSoil QualityMicrobial Biomass CarbonRandomized Block Design