棉花怎样施用“塞雁牌”丰产素编者按农民朋友们：自我厂开辟＂塞雁牌生产素专页＂一年来，得到各地农民朋友的关注和支持，我们向广大农民朋友介绍了丰产素的施用方法和一些地区施用丰产素的实验报告，想尽力为广大用户提供一些了解、施用＂塞雁牌＂丰产素的依据和途径。... How to use the “Saiyan card” of cotton? According to peasants and friends friends: self-factory opened “Sai Yan licensing production page” over the past year, farmers around the country have been the concern and support of friends, we introduced to the vast number of farmers and friends Application methods and experimental reports of the application of high yield in some areas, trying our best to provide our users with some understanding and application of “Sai Yan” high yield of the basis and approach. ...