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1 “四先”立标显效示范尽管种衣剂类型多、功能多,但决不是万能的,它的功能范围具有一定的局限性,主要功力在防病治虫和补充微肥上。在目前应用的初始阶段,如不因条件、不分对象而随意广用,会造成效果上的大幅度差异。因此,在试验成功的基础上,应实行有的放矢。我们提的“四先”立标是:先在病虫基数高的地、重迎茬地、高产攻关田和自愿使用的农户应用。对加速推广包衣技术将起以点带面的作用。
Although the type and variety of seed coating are many, it is by no means a panacea. Its scope of function has its own limitations. The main function of the seed coating is to prevent and cure pest and supplement the fertilizer. In the initial stage of the current application, if not arbitrarily used due to conditions, regardless of the object, will result in significant differences in effect. Therefore, on the basis of successful experiments, it should be targeted. We mention the “four first” stand is: first in the high base of pests and diseases, re-stubble, high-yield field research and voluntary use of farm households. Accelerate the promotion of coating technology will play a point with the role.