用缩节胺对棉花进行化学调控是近几年应用较广的一项新技术,随着棉花生产的发展,化学调控越来越被重视,成为棉花优质高产一项不可替代的管理措施。实践证明,缩节胺可在作物的不同生育时期使用,采用多吃少餐的办法,均可起到良好的效果。具体方法是:1、拌种。用种子量的0.03%～0. The chemical regulation of cotton with polyamidoamine is a new technology widely used in recent years. With the development of cotton production, chemical control has been paid more and more attention and become an irreplaceable management measure for high-quality and high-yield cotton. Practice has proved that shrink amines can be used in different crops during the growing period, the use of eating more meals, can play a good effect. The specific method is: 1, seed dressing. Use seeds of 0.03% ~ 0.