INFLUENCE OF PHOSPHORUS AND MICRONUTRIENTS ON THE YIELD AND UPTAKE OF NPK IN COWPEA VAR. CO. 3

R. KRISHNASAMY; T. S. MANICKAM and G. V. KOTHANDARAMAN

doi:https://doi.org/10.29321/MAJ.10.A02363

Madras Agricultural Journal

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INFLUENCE OF PHOSPHORUS AND MICRONUTRIENTS ON THE YIELD AND UPTAKE OF NPK IN COWPEA VAR. CO. 3

Author: R. KRISHNASAMY, T. S. MANICKAM and G. V. KOTHANDARAMAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 72, Issue: apr-apr,

DOI:https://doi.org/10.29321/MAJ.10.A02363

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Abstract

Application of ZnSO, (25 kg/ha) had influenced the highest uptake of N, P and K in cowpes and soil application of 50 kg P_{2}*O_{E} / h_{B} was found to be significantly su- perior in increasing their uptake. The grain yield was the highest in T_{S} treatment ( Na, MoO , at 0.25kg / h * a ) while straw yield was higher in T_{4} treatment ( znS*O_{4} at 25 ka/ha). Highest grain yield (602kg / h * a) of cowpea was recorded in T_{1} treatment when coupled with 2 * 0/6 DAP spray.

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