Modern fertilizers should be used judiciously.

现代化肥应被明智地使用。

The indiscriminate use of fertilizers is damaging to the environment.

化肥的滥用化正在损害环境。

Organic fertilizers will have very positive results in the long term.

有机肥料从长远来看将产生非常积极的效果。

High levels of nitrate occur in the Midwest because of the heavy use of fertilizers.

因为大量使用化肥，中西部地区的硝酸盐含量很高。

Crushed bones make one of the best fertilizers.

骨粉是最佳肥料之一。