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Subject: search.filters.subject.cowpea-effect of potash

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    Response of cowpea (Viga sinensis Endl). to different levels of N, P & K
    (Kerala Agricultural University, 1978) Viswanathan, T V; Viswambaran, K; Chandrika, P
    A field trial was conducted at .the Rice Research Station, Pattambi to find out the response of cowpea to graded doses of N, P and K, under high rainfall conditions. The test variety PTB, exhibited significant response to N and P. The optimum doses of nutrients for maximum yield were 31 .67 kg N and 37.37 kg P205/ha. The economic doses of fertilisers were, 23.13 kg N and 23.55 kg P2O5 per ha Response to applied potash was not significant.