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Agriculture is one of the largest contributors to greenhouse gas emissions, derived from livestock farming (enteric fermentation and manure management) and emissions from agricultural soils (i.e. application of excessive N fertilizers and decomposition of organic material). The review covers contribution of integrated fertility management to mitigate climate change and sustain agricultural production. Combined application of farmyard manure and mineral fertilizer is very economical than sole NP application in maintaining sustainable agricultural productivity. Maximum sustained crop production (2.88 t/ha) was obtained when 69 kg of NP fertilizer was applied with 10 t/ha farmyard manure. Combined application of tie ridge, farmyard manure and NP fertilizer contribute for agricultural sustainability. Applying integrated soil fertility increase total nitrogen and available phosphorus in the soil for agricultural sustainability. The highest carbon (12 mg/kg) was sequestered when farmyard manure was applied with NP fertilizer on maize and wheat cropped alfisoils. Application of integrated fertility management reduces N2O emissions by increase nitrogen-use efficiency. Application of animal manure and NPK fertilizer reduce CH4 into the atmosphere contributing for climate change mitigation. Integrated soil fertility management improves soil fertility contributing for agricultural sustainability. Crop yield was improved by application of integrated fertility management which sustains agriculture. Integrated soil fertility management was on option for climate change mitigation.
Tesfaye Bayu (Wed,) studied this question.