Studies on Levels and Times of Application of  Phosphorus and Potassium on Rice

T. K. GOPAL RAO; S. KOLANDAISAMY; P. SESHADRI and S. SANKARAN

doi:https://doi.org/10.29321/MAJ.10.A03392

Madras Agricultural Journal

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Studies on Levels and Times of Application of Phosphorus and Potassium on Rice

Author: T. K. GOPAL RAO, S. KOLANDAISAMY, P. SESHADRI and S. SANKARAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 61, Issue: aug-aug,

DOI:https://doi.org/10.29321/MAJ.10.A03392

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Abstract

The field investigation was conducted during Rabi 1970 to study the response of IR 5 rice for phosphorus and potassium at two levels (40 and 80 kg/ha each) and three times of application (fully basal, half basal plus half top dressing and fully top dressing. The rice crop did not respond for phosphorus and potassium beyond 40 kg each. Total basal application of P and K was the best method of fertilization for the crop than either split application or top dressing alone.

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