fertilization level

• 施肥水平

fertilization level的用法和样例：

例句

1. The highest returns are received from the highest level of fertilization.
   最高的施肥水平可获最高的经济效益。
2. Fertilization which was related to fertilization amount and different growth stages improved photosynthetic rate of leaves.
   增施肥料提高了叶片光合速率，并且它与施肥水平和生育阶段有关。