Effect of N, P and K on the yield of cowpea, variety P118
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Date
1979
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Publisher
Kerala Agricultural University
Abstract
An experiment was conducted at the Instructional Farm of the College of Horticulture, Vellanikkara to study the effect of different levels of N, P and K on the yield of cowpea variety P-118. Nitrogen at 21.6 kg/ha was found to be the optimum level for maximum grain production. Optimum level of P could not be estimated since the crop exhibited a linear response beyond the maximum level tried. Applied K did not exhibit any significant influence on the yield components indicating the adequacy or soil supplies of the nutrient.
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Citation
Agricultural Research Journal of Kerala, 17(2), 194-199.