2. Institutional Publications
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Item Response of cowpea (Viga sinensis Endl). to different levels of N, P & K(Kerala Agricultural University, 1978) Viswanathan, T V; Viswambaran, K; Chandrika, PA 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.Item Screening germplasm collection of cowpea(Vigna Sinensis Endl.) for tolerance/resistance to collar rot caused by Rhizoctonia Solani(Kerala Agricultural University, 1979) Viswanathan, T V; Viswambharan, KItem PTB-1 (Kanakamani) a high yielding variety of cowpea(Kerala Agricultural University, 1979) Viswanathan, T V; Viswambharan, K; Chandrika, PComparative yield trial of four varieties and two improved cultuies of Cowpea was undertaken at Rice Research Station, Paltambi during 1974 — 75, Kharif season onwards with a view to isolating and releasing high yielding varieties suitable to Kerala condition. This was continued for three years. The consistently highest yielder Kunnamkulam local was recommended for release for general cultivation in Kerala during December 1977 under the popular name "Kanakamani".Item Effect of two common liming materials on the growth, nodulation and yield of cowpea (Vigna Unguiculata)(Kerala Agricultural University, 1980) Viswanathan, T V; Viswambharan, K; Raveendran, C SItem Lily caterpillar polytela gloriosae fab.(Noctuidae : Lepidoptera), a serious pest of gloriosa superba L.(Kerala Agricultural University, 1992) Lyla, K R; Reghunath, B R; Viswanathan, T VItem Performance of black gram varieties in rice fallows(Kerala Agricultural University, 1991) Kavitha K Mydin; Viswanathan, T V