种子包衣是一项防病、治虫、保苗、壮苗,增产增收效果较好的新技术。我县于1991年引进该技术,经过3年的试验、示范,于1994年进行了大面积推广应用,并获得较好的效益。一、种子包衣技术的主要作用种子包衣所用的种衣剂主要含有杀虫剂、杀菌剂和微肥、激素等有效成份,药膜对种子起保护作用,随着种子的萌发、发芽、出苗及幼苗生长,有效成份逐 Seed coating is a disease prevention, pest control, seedlings, strong seedlings, production and income is better new technology. Our county introduced this technology in 1991, after 3 years of experiments and demonstrations, we conducted a large-scale popularization and application in 1994 and obtained better benefits. First, the main role of seed coating technology Seed coating seed coating used mainly insecticides, fungicides and trace fertilizers, hormones and other active ingredients, the film plays a protective role on the seeds, with the seed germination, germination, Emergence and seedling growth, the effective ingredient by