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 Agronomy Farm, College of Agriculture, University of Agricultural Sciences, Raichur, Karnataka with the objective to know how long target yields in Bt cotton could be achieved in the TBP irrigation command. Cotton seeds dibbled or seedlings transplanted during 1st and 2nd fortnights of June and July and 1st fortnight of August using a split plot design. Transplanting of seedlings (3457 kg ha-1) out yielded seed dibbling (3280 kg ha-1) and the difference widened with delay in planting (50 kg to 266 kg ha-1). Among all, June 1st fortnight transplanted crop produced significantly higher seed cotton yield (4426 kg ha-1) followed by dibbled crop during the same period (4376 kg ha-1) owing to better growth. Yield decreased by 967 kg to 1042 kg ha-1 with July 1st fortnight over June 2nd fortnight planting with dibbling and transplanting, respectively. August 1st fortnight planted crop recorded the lowest yields (1640 and 1906 kg ha-1 with dibbling and transplanting, respectively) among all. Thus, time of planting appeared more critical than method of planting.
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