Dermination Of Soil Nutrient Balance On Barley Farm Land In Chencha District Southern Ethiopia

Soil nutrient depletion is fitting one of the major challenges of agricultural production for thernsmall holder farmers in Ethiopia. The objective of this study was to determine the nutrient;rnnitrogen (N), phosphorus (P) and potassium (K)) flows at barley land in gadha ditta village,rnchencha district southern Ethiopia. Throughout stratified random sampling three farm wealthrngroups (rich, medium and poor) were distinguished based on farm size. From a total of 323rnhouseholds 129 Households were surveyed using structured questionnaire. Soil organic fertilizerrnsources, crop yield and crop residue samples were collected and analyzed for their nutrientrncontent. The inflow nutrients are chemical fertilizer and manure while the outflow resourcesrnwere crop yields and crop residues. The result of this research was the nutrient balance forrnbarley land was -4.3 kg N, 13.6 kg P and -12.39kg K/ha/yr. The study noticeably recognizes the must for the development of included nutrient management systems to reduce the high rates of nutrient depletion. The achievable actions can be recommended foremost reduce crop residues removal from barley land and the farmers receive knowledge about application of more chemical fertilizer to the field.rnKeywords: soil fertility, nutrient flow, nutrient balance, nutrient depletion

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