Madras Agricultural Journal
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Residual effects of inorganic and organic manurng on certain soil properties and yields of rice crop

Abstract

                                In a Permanent Manurial Experiment (PME) conducted since 1975. pH has decreased from neutral to slightly acidic in the manured treatments. The organic carbon and cation exchange capacity have increased significantly in the manured treatments and in the treatments that received N with or without P and K. Grain, straw and total dry matter yield of rice crop in NPK, NP, NK and N treatments were on par and higher than the yields in the treatments without N

Key words : PME, Rice, Soil properties, Yield

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