Effect of biovita granules and liquid on growth and yield of cotton (Gossypium hirsutum L.)
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Abstract
A study was conducted on effect of biovita granules and liquid on growth and yield of cotton during Kharif 2014 and 2015 in deep black soil at ARS, Dhadesugr, University of Agricultural Sciences, Raichur, Karnataka. Pooled data revealed that, cotton yield and green biomass yield were significantly (p=0.05) higher in the treatment with the application of biovita granule at 12.5 kg per hectare at one month after sowing followed by first spray of biovita liquid at 500 ml per hectare at square formation followed by second spray of biovita liquid at 750 ml per hectare at flowering and followed by third spray of biovita liquid at 750 ml per hectare at boll formation (1450 kg/ha and 1463 g/plant, respectively) and which was on par with the application of biovita granule at 10.0 kg per hectare at one month after sowing followed by first spray of biovita liquid at 500 ml per hectare at square formation followed by second spray of biovita liquid at 750 ml per hectare at flowering and followed by third spray of biovita liquid at 750 ml per hectare at boll formation (1377 kg/ha and 1439 g/plant, respectively). Whereas, application of only recommend-ed dose of fertilizer recorded significantly less cotton and green biomass yield compared to other treatments. The average per cent of increase in yield in biovita applied treatments (T1 to T8) over the no application of biovita treat-ment (T9) was 7.13 %.
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Biovita, Bolls, Boll retention, Cotton yield, Economics
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