一。我们反复试验证明:用 64目筛子(一平方厘米64个 孔)筛选苔揩种子,是清除 其中的盔践子种子的好方 法。一般,经风选二灾的营 首稽是牲畜的比虔饲 大;但首稽常受菌糠子危害 携种子,再用6’1目筛子筛草,也是改泉士壤的好前 而严重诚产。因此,精选曹 选,其纯度可达100％。作。 one. We have repeatedly experimentally demonstrated that screening 64. 64 mesh sieve (64 holes per square centimeter) for the moss seed is a good way to clear the seeds of the cocklebur. In general, the first battle of the two catastrophes is the livestock than the gods feeding large; but the first song is often borne by the fungus bran particles, and then 6’1 mesh sieve grass, but also to change the soil before the spring Serious honesty. Therefore, the selection of Caoxuan, its purity up to 100%. Make.