leafing agent

例句：

1. 1. The leafing agent is very effective in promoting plant growth.
   叶面喷施剂在促进植物生长方面非常有效。
2. 2.This leafing agent helps plants to absorb more nutrients from the soil.
   这种叶面喷施剂帮助植物从土壤中吸收更多的养分。
3. 3. The farmer used this leafing agent to treat his crops for optimal yield.
   农民使用这种叶面喷施剂来治疗他的作物，以获得最佳产量。