Impact of composite defoliant on raw cotton yield and the environment

The use of a composite defoliant in various norms Bukhara-8 cotton the Bukhara region is considered. Identified from 10 options that had positive impact on efficiency defoliation, productivity were - (Mg (ClO 3 ) 2liq . 4 l/ha + Fitovak 75 ml/ha Urea 6.5 Humin-1.5 kg/ha). weight bolls, 1st collection, gross yield higher with control, standards respectively heavier by: 0.7-0.9-0.8 g and 4.5-3.7-2.8 c/ha; 5.9-2.2-3.1 q/ha increase. rate was reduced by 50%, accumulation Cl , MgCl 2 salts soil, air up to ecological environment saved damage ozone layer certain amount, which affected pollution. Boll burns under action not observed, due formation conductive between leaf stem, activates endohormone triggers contained plants. flow nutrients into stem bypassing leaf, through leads an increase mass 1st, entire crop opening bolls.