Effects on improving soil and cultivating fertilizer

• 改土培肥效应

Effects on improving soil and cultivating fertilizer的用法和样例：

例句

1. The difference of the amount of Zn uptaken by different pakchoi cultiva rs under two zinc levels was studied by using methods of soil culture and soluti on culture.
   采用土培和液培试验研究了不同小白菜品种植株吸锌量的差异及原因。