National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A field experiment entitled “Effect of nitrogen and zinc on summer cowpea (Vigna unguiculata L. Walp) under south Gujarat condition” was carried out during summer 2019 at College Farm, N. M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat). The experiment comprising sixteen (16) treatment combinations were laid out in randomized block design with factorial concept in three replications. The treatment consisted combinations of 4 level of zinc viz., Zn0: 0 kg Zn/ha, Zn1: 2.5 kg Zn/ha, Zn2: 5.0 kg Zn/ha and Zn3: 7.5 kg Zn/ha and 4 level of nitrogen viz., N0: 0 kg N/ha, N1: 10 kg N/ha, N2: 20 kg N/ha and N2: 30 kg N/ha. An application of different levels of zinc significantly increased number of pods/plant, number of seeds/pod, protein content, nutrient content in seed and stover, seed and stover yield of cowpea. Similarly, plant height, number of branches/plant, protein content, nutrient content of seed and stover, number of pods/plant, number of seeds/pod, seed yield and stover yield were significantly increased with increasing levels of nitrogen. While, 1000 seed weight and harvest index were not significantly influenced by different levels of zinc and nitrogen. There was no significant effect of interaction between different levels of zinc and nitrogen on growth and yield attributes, yield, protein content and nutrient content in seed and stover of cowpea.
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