巧用乙烯利催棉熟乙烯利是一种催熟剂，它对秋桃较多的晚熟棉田，喷施适当浓度，既能加速棉铃的脱水开裂，缩短铃期８～１５天，又能减少霜后花和无效铃，促进早熟，提高棉花产量和质量。在使用时必须注意以下几点：一、选好喷药对象。主要针对在１０月底不能正常吐絮的晚... Clever use of ethephon cotton Cooked ethephon is a ripening agent, it is more late autumn autumn mature cotton fields, spraying the appropriate concentration, both to speed up the cotton boll dehydration cracking, shorten the ring 8 to 15 days, but also reduce Post-frost and ineffective bell, promote precocity and increase cotton yield and quality. In the use of the following points must be noted: First, select the spray object. Mainly for the end of October can not be normal bolting flutter late ...