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 was conducted during kharif season of 2016 at Udaipur, Rajasthan on clay loam soil to assess the effect of fertility levels (60 N + 30 P2O5 + 30 K2O kg ha-1, 80 N + 40 P2O5 + 40 K2O kg ha-1 and 100 N + 50 P2O5 + 50 K2O kg ha-1) on single cut genotypes (SPH 1725, SPH 1794, SPH 1797, SPV 2317, CSH 13 and CSV 21F) of fodder sorghum. The SPH 1752 synthesized significantly higher chlorophyll content in leaves as compared to rest of genotypes. The lower HCN content in green forage was recorded in the genotype SPH 1797 as compared to other genotypes under test. The highest TSS was recorded in the genotype CSH 13. The genotype SPH 1752 exhibited maximum crude protein and crude fibre. The genotype SPV 2317 recorded maximum ether extract, nitrogen free extract and total digestible nutrient. While highest concentration of mineral ash was recorded in the genotype CSH 13. The maximum N, P and K content and uptake were recorded in the genotype SPH 1752 as compared to other genotypes. The crop fertilized with 100 N + 50 P2O5 + 50 K2O kg ha-1 recorded highest chlorophyll content and minimum HCN content in green fodder. This fertility level significantly increased content of crude protein, crude fibre, ether extract and mineral ash over lower fertility levels. Increasing fertility levels caused significant reduction in nitrogen free extract and total digestible nutrient content in dry fodder, which were highest with the application of 60 N + 30 P2O5 + 30 K2O kg ha-1. The application of 100 N + 50 P2O5 + 50 K2O kg ha-1 recorded highest N, P and K content and uptake over lower fertility levels.
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