nitrate green

例句：

1. 1. The soil was rich in nitrates, which made it suitable for growing vegetables.
   土壤富含硝酸盐，适合种植蔬菜。
2. 2. The nitrates in the water were high enough to cause health problems.
   水中的硝酸盐含量过高，可能导致健康问题。
3. 3.The farmer used nitrate fertilizer to improve the soil quality.
   农民使用硝酸肥来提高土壤质量。