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 |
The field experiment was conducted during Rabi season of 2016-17 and 2017-18 at Research Farm of the Department of Vegetable Science, CCS Haryana Agricultural University, Hisar to study the effect of drip irrigation and nitrogen fertigation on plant height, leaf length, fresh and dry weight of onion leaves. The experiment was laid out with four levels of drip irrigation (60, 80, 100 and 120% of CPE) as main plots and four levels of nitrogen fertigation (75, 100, 125 and 150 kg/ha) as sub plots in a Split Plot Design and replicated three times with one control (surface irrigation and recommended dose of fertilizers). The seedlings of onion cv. Hisar Onion 4 were transplanted at 15 x 10 cm spacing in first week of January during both years. The maximum plant height (56.77 and 53.05 cm), leaf length (38.26 and 36.42 cm), fresh (38.36 and 37.59 g) and dry (4.69 and 5.46 g) weight of leaves per plant were recorded under drip irrigation at 120% CPE as compared to other levels of drip irrigation, while the lowest plant height (41.66 and 44.39 cm) and leaf length (24.59 and 25.40 cm), fresh (21.98 and 27.56 g) and dry (2.40 and 3.56 g) weight of leaves per plant were observed with the drip irrigation at 60% CPE during both years, respectively. Among the different levels of nitrogen fertigation, plant height (56.10 and 52.20 cm), leaf length (37.78 and 36.18c cm), fresh (34.34 and 38.44 g) and dry (4.21 and 5.76 g) weight of leaves per plant were observed maximum with the application of 150 kg/ha nitrogen through drip as compared to other levels of nitrogen fertigation, respectively. Interaction of irrigation and nitrogen fertigation also significantly affected the leaf length, fresh and dry weight of onion leaves per plant but the plant height did not differed significantly with the combined application of drip irrigation and nitrogen fertigation in both years.
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