|PRINT ISSN : 2319-7692
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Index Copernicus ICV 2015: 85.95
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A field experiment was conducted to study the on farm crop response to plant nutrients in pre dominant cropping system i.e. rice, (Oryza sativa) - chickpea (Cicer arietinum) and their impact on productivity, soil fertility and economics at Kabirdham district of Chhattisgarh state during 2013-14 and 2014-15. The results revealed that application of 100 kg N, 60 kg P2O5, 40 kg K2O and 20 kg ZnSO4 /ha to rice and 20 kg N, 50 kg P2O5, 20 kg K2O /ha to chickpea recorded significantly higher grain and straw/ haulm yields. Rice equivalent yield (87.72 q/ha), net returns (Rs 74,391), benefit cost ratio (2.74) and total NPK uptake by rice-chickpea cropping system (409.89 kg/ha) were recorded over rest of the treatments. This treatment also recorded the maximum production efficiency (39.87 kg/ ha/day). Response studies indicated that maximum response was noted with NPK in Rice (15.9 kg/kg) and N in chickpea (15.8 kg/kg).