Madras Agricultural Journal
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Influence of Nutrient Ratios of NPK on Rice Yield and Uptake of Phosphorus Using Tracer Technique

Abstract

                                Seven combinations of NPK with P applied as P-32 tagged superphosphate were studied for their effect on yield and uptake of phosphorus by four rice varieties viz., CO. 33. CO. 34. CO.35 and Pusa 221. N: POs: KO ratio of 120: 60: 60 (2:1:1) appeared sufficient among the ratios tested for all the varieties studied.

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