乙烯利对晚熟棉花具有催熟作用,能促使棉叶和无效花蕾提早脱落,棉铃提早吐絮.近年来,使用推广面积逐渐扩大,按照操作规程,正确使用,都能取得较好效果,现将我区在棉田推广乙烯利中的一些技术介绍如下,供生产中参考.1、乙烯利用量.各地用量范围每亩有0.3斤、0.35斤、0.4斤、0.5斤,也有根据棉花长象喷洒次数有所增加,一般喷洒浓度 Ethephon has a ripening effect on late-maturing cotton, cotton boll and inefficient flower buds to promote early fall, cotton boll early vomit .In recent years, the use of the promotion of the area gradually expanded, in accordance with operating procedures, the correct use, can achieve better results, now I District in the promotion of ethephon cotton in some of the technologies are introduced below, for reference in the production .1, Ethylene utilization around the dosage range of 0.3 kg per mu, 0.35 kg, 0.4 kg, 0.5 kg, there are also according to the cotton long spray The increase, the general spraying concentration