natural fertilizer

• 天然肥料

natural fertilizer的用法和样例：

例句

1. The farmers often supplement natural fertilizer with chemical fertilizer.
   农民常用化肥来补充天然肥料。
2. He plans to fertilise his fields with manure, rather than chemicals derived from oil and natural gas.
   他计划用天然肥料替代从石油和天然气中提取的化肥给农田施肥。