Best Fertilizer For Bt Cotton

However cotton yields have stagnated in the past decade even as.

Best fertilizer for bt cotton.

What is bt cotton hybrid. Bt cotton has continued to control one major cotton pest but with bt resistance in another pest and surging populations of. Ahmad naeem shahzad 1. The best use for foliar application is to cover nutrient requirements during periods of intensive growth and equal out short term discrepancies between the nutrient requirement of the plant and supply from the soil.

High fertilizer use a negative impact on bt cotton production the minister of state for environment forest and climate change recently told the rajya sabha that since the introduction of bt cotton in 2002 there has been a near doubling of cotton production in the country. If you are growing bt cotton then you should use the following recommended doses of fertilizers for fulfilling the needs of bt cotton plants and to get high yield from bt cotton varieties. Foliar fertilizers use on cotton hybrids particularly bt cotton hybrids. Hake et al 1991.

They strengthen and encourage growth in the roots of the grass. Cotton physiology today vol 2 no. Mainly there are two kind of sowing of bt cotton which are early sowing and late sowing. Application of tnau mn mixture 7 5 kg ha 1 as efym for variety and 10 kg ha 1 as efym for bt cotton and tnau pgr foliar formulation 1 5 concentration at square and boll formation stages along with the recommended npk to obtain the maximum seed cotton yield with reduced extent of leaf reddening.

The benefits of bt cotton have been modest and short lived. 14 may 2019 early maturing bt cotton requires more potassium fertilizer under water deficiency to augment seed cotton yield but not lint quality. These recommendations are given on the basis of sowing time of cotton. Since cotton is an indeterminate perennial too much n late in the season may cause excessive vegetative growth and should be avoided.

Changes to the agricultural systems correlate better with positive yields and countrywide yields have not improved in thirteen years. India s global rank for cotton production is 36 despite heavy fertilizer use irrigation chemicals and bt cotton usage. The best fertilizer or lawn care product for your needs may be one that also controls unwanted growth or bugs. Yield maximization and reducing reddening in bt cotton rainfed.

When planning n fertilization other sources of n such as residual soil n and n in irrigation water should be accounted for.