The germs is a biggest colony in soil microorganism. Studying result showed, soil germs contain was direct related with soil's water, fertilizer, air and temperature etc.
In order to employ the fundation effect of market deploying fertilizer resources, fertilizer circulation system in china changed from direct administion to indirect administion.
我国化肥流通的管理体制由直接管理改为间接管理，充分发挥了市场在配置化肥资源方面的调节作用。
3
To sum up, the economic benefits were an important factor to direct peasants to apply fertilizer .