缩节安是一种新型的植物生长调节剂,首先应用于棉花,获得很好的效果,因而在棉区得到迅速推广。我省于1981年开始试验,面积只有5亩;1982年进行多点试验和扩大示范,面积共11372亩,增产幅度在10％左右;1983年在严重洪涝灾害情况下,推广 Dian An Ann is a new plant growth regulator, first applied to cotton, get good results, which in the cotton area has been rapidly promoted. Our province started the experiment in 1981 with an area of ​​only 5 mu. In 1982, it carried out multi-point experiments and expanded demonstrations with a total area of ​​11,372 mu and an increase rate of 10%. In 1983, under severe floods and disasters,