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Item Effect of phorate on growth characteristics and nitrogen contents of cowpea plants(Kerala Agricultural University, 1980) Visalakshi, A; Nair, M R G KStudies were made on the effect of phorale applied as granule with seeds treated/untreeted with Rhizobium on growth characterstics and total nitrogen contents of cowpea. In rhizobium treated plants, plant height and root length were significantly increased due to phorate treatment while the other factors such as fresh and dry weights of plants and TNC were increased only at 2 kg ai/ha level. In cowpea plants not treated with Rhizobium the height of the plant and TNC were significantly increased in general by phorate application.Item Performance of fodder cowpea varieties at graded levels of phosphorus and potassium(Kerala Agricultural University, 1981) Nair, M S; Sreedevi, P; Nair, R VItem Influence of host variety on the natural incidence of va-mycorrhiza in cowpea(Kerala Agricultural University, 1989) Meena Kumari, K S; Nair, S KItem Response of cowpea (Vigna unguiculata (L.) Walp.) to water management practices and phosphorus nutrition(Kerala Agricultural University, 1989) Balakumaran, K N; Mohamed Kunju, UItem Genetic variabiltiy in cowpea(Kerala Agricultural University, 1992) Savithramma, D LItem Effect of phophatic fertilizer application on vesicular-arbuscular mycorrhizal infection in cowpea(Kerala Agricultural University, 1992) Meenakumari, K S; Nair, S KItem Gujarath cowpea 2 (Chharodi 1) - an ideal cowpea variety for intercropping in coconut garden(Kerala Agricultural University, 1993) Sreekumar, S G; Gopinathan Nair, V; Balakrishnan Asan, RComparative yield trials were conducted with nine varieties of cowpea for three years during kharif in the interspaces of coconut garden at the Instructional Farm, Vellayani. Based on the comparative yield trials' result, Gujaralh Cowpea 2 (Chharodi 1) variety of cowpea was selected and advanced to farm trial at seven locations in Thiruvananlhapu ram district during kharif 1989 along with C 152 and local variety. The variety Gujarath Cowpea 2 (Chharodi 1), which recorded a highest grain yield in farm trials was recommended for cultivation in the interspaces of coconut garden in Thiruvananlhapuram district during kharif.Item Response of cowpea genotypes to dates of sowing(Kerala Agricultural University, 1993) Bridgit, T K; Neema, V P; Joy, P PItem Evaluation of cowpea + fodder maize intercropping under varying fertilizer levels in summer rice fallows(Kerala Agricultural University, 1994) Lekha Sreekantan; Sunitha, SItem Response of cowpea to irrigation and phosphorus(Kerala Agricultural University, 1994) Santhakumari, G; Pillai, G R; Kuruvilla Varughese; Jose MathewInvestigations carried out in the rice fallows of the Agronomic Research Station, Chalakudy revealed that grain and green pod yields of cowpoa variety Kanakamani were significantly increased by irrigation and application of phosphorus. Irrigation at critical stages of branching, flowering and pod formation and irrigation at 1W/CPE = 0.75 were better schedules for the production of grain and green pods. The economic optimum dose of phosphorus was worked out to 30.0 and 36.8 kg P2C>5 ha for the production of grain and green pods, respectively.