“塞雁牌”丰产素十大特点“塞雁牌”丰产素在农业生产中越来越受到重视，它广泛的应用范围，显著的增产效果及无毒副作用的特性，使它在产糖、产棉、产果、产菜等农业生产上，有着广阔的施用前景，现将其主要特点归纳如下，以飨来信的农民朋友：１．展着性能好，吸收率达... “Saiyan” ten major characteristics of high yield element “Sai Yan” high yield element in agricultural production more and more attention, its wide range of applications, a significant increase in production and non-toxic side effects of the nature of it in sugar production Cotton, fruits, vegetables and other agricultural production, has broad prospects for the application, now its main features are summarized as follows, a letter from the peasant friends: 1. Show good performance, absorption rate of up to ...