The results of a field experiment conducted to find out the effect of neem cake blended urea application at different levels to rice (IR 20) indicated that neem cake bien- ded urea increased the grain and straw yield of rice over untreated urea. Nitrogen and P uptake by grain and straw were also increased. Potassium uptake in both grain and straw decreased with increase in the levels of N application. Among the doses of noem cake tried. 40 per cent by weight of neem cake blended with urea was better.
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