Studies on Long Term Effect of CHEM.FERT. and INM in Rice Inceptisol
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CONCLUSION Thus; it is concluded that application of CF in combination with organic sources like green manure and farmyard manure 50: 50 ratio gave best result in respect of grain yield, net return, B: C ratio and nutrient status in soil. The CF (100 % recommended dose of fertilizer), if used in balanced manner are also effective and at par yield with INM. However, integrated nutrient management found to be better option for maintaining soil health. If farmers' do not afford for 100 % recommended dose of fertilizer, he is advised to curtail fertilizer dose in balance manner upto 50 % instead o...
CONCLUSION Thus; it is concluded that application of CF in combination with organic sources like green manure and farmyard manure 50: 50 ratio gave best result in respect of grain yield, net return, B: C ratio and nutrient status in soil. The CF (100 % recommended dose of fertilizer), if used in balanced manner are also effective and at par yield with INM. However, integrated nutrient management found to be better option for maintaining soil health. If farmers' do not afford for 100 % recommended dose of fertilizer, he is advised to curtail fertilizer dose in balance manner upto 50 % instead of increasing the dose of single nutrient (particularly N) and use organic source of nutrient to some extent. SUGGESTIONS FOR FUTURE RESEARCH WORK In the light of experience gain during the course of investigation and results obtained, the following points should be given due consideration in future studies. 1) Locally computerized simulation models needs to be developed to supply nutrients to rice in a synchronous manner with minimum nutrient losses. 2) The change in physical properties of soil in relation to micronutrient due to CFs and INM over the years need to be studied.
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