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 at the Main Forage Research Station, Anand Agricultural University, Anand, to find out the Varietal Response to Graded levels of Nitrogen and Bio-fertilizers on forage yield of Sorghum (Sorghum bicolor L. Moench) during summer season of 2011. It was laid out in split-plot design with four replications, two varieties of sorghum (S-1049 and GFS-5), were relegated in the main plots and combinations of nitrogen levels 25, 50 and 75 kg N ha-1) and two levels of bio-fertilizers (inoculation and uninoculated) treatments were assigned to the sub-plots. Based on the research investigation, it was found that the application of nitrogen at 75 kg ha-1 produced significantly higher green forage, dry matter and crude protein yields. The higher NDF content recorded in 25 kg N ha-1. HCN content in forage sorghum was significantly higher with 75 kg N ha-1 (N1). Application of bio-fertilizers (B1) recorded significantly higher green forage, dry matter and crude protein yields than no bio-fertilizer treatment (B2), while bio-fertilizers inoculation failed to exhibit their significant influence on NDF content and HCN content of forage sorghum. The interaction effect between varieties, nitrogen levels and bio-fertilizers was found not significant concerning growth and yield attributes. The variety GFS-5 recorded a higher net realization of 33978 Rs. ha-1 and higher B.C.R. values of 2.31. Application of 75 kg N ha-1 resulted in higher net realization (Rs. 26605 ha-1) with B.C.R. of 1.77. Inoculation of Azotobacter and Azospirillum resulted in maximum net realization (Rs.25852 ha-1) with B.C.R. of 1.75. The maximum net realization of Rs. 36877 ha-1 with B.C.R. of 2.44 was obtained in treatment combination V2N3B1.
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