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种衣剂是用以农作物及其它植物种子或苗包衣,具有成膜特性的物质的统称。包衣的种子,播入土壤后,种子上的种衣剂在种子周围形成一道保护屏障,阻止病虫为害,种子发芽出土后,药剂可以缓慢释放,并内吸传导到植株地上部分,继续起到防病治虫的作用。种衣剂内可混入肥料和激素,增加植株养分和刺激根系生长。使用包衣剂药效期可长达45—60天,减少苗期地面喷药1—3次,省药、省工。1公斤商品种衣剂可包种子的数量因作物不同而有差异。具体数量及增产效果
Seed coating is used to crops and other plant seeds or seedlings coated with a film of the general characteristics of the material. Coated seeds, after sowing into the soil, the seed coating agent forms a protective barrier around the seeds to prevent pests and diseases. After the seeds are sprouted and unearthed, the medicaments can be released slowly and transported to the aerial parts of the plants by internal absorption, To prevent disease pest control role. Seed coating can be mixed with fertilizers and hormones, increase plant nutrients and stimulate root growth. The use of coating agent can be as long as 45-60 days to reduce the spraying seedling ground 1-3 times, provincial medicine, labor. The quantity of seeds that can be packaged in 1 kg of commercial seed coating varies depending on the crop. The specific number and increase production