所谓丸化种子就是在种子的外面裹上一层物质,好像西药片外面的包衣一样,给种子穿上衣服。丸化种子播种到地里后可抵御地下害虫餐食,可避免土壤微生物的危害,还可短时期避过不利环境条件的侵袭。另外在包裹的物质中适当加入一些种子萌发时所需的营养物质和微量元素,这样,当种子萌发时可即时得到足够的营养,使得苗齐、茁壮。根据不同的需要,丸化种子所用的物质有所不同.例如,绿化荒山时,须首先在荒山上种草,而 The so-called pelleted seed is wrapped in a layer of material on the outside of the seeds, as if the coating on the western tablet is the same, and the seeds are put on the clothes. Pelleted seeds sown to the ground after the ground to resist pests meal, soil microbial hazards can be avoided, but also a short period of time to avoid adverse environmental conditions. In addition, the appropriate inclusion of some of the substances in the seed germination nutrients and trace elements needed, so that when the seed germination can be immediately enough nutrition, making seedlings Qi, robust. According to different needs, the material used for pelleting seeds is different, for example, the green barren hills must first be planted in barren hills, and