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。

《柯林斯英汉双解大词典》

Excessive use of fertilizers and pesticides also pollute underground water.

此外，过度使用化肥和杀虫剂也使地下水遭到污染。

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It's not unlike humans' prodigious use of fertilizers today, which can cause large algal blooms in rivers, lakes and even the Gulf of Mexico.

这和今天人类施肥惊人的相似，它导致大量的河湖底部甚至墨西哥湾的海藻出现。

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Environmental activists criticized his intensive methods, including use of fertilizers and pesticides.

VOA: special.2009.11.10

In many countries, women are half as likely as men to use fertilizers to increase the amount of crops.

VOA: special.2011.03.22

The students use the mixture to fertilize the soil instead of buying chemical fertilizers that could harm the environment.

VOA: special.2009.04.14

They squander land, damage plant and animal species through the heavy use of fertilizers and pesticides, and waste huge amounts of water.

CNN: A novice senator finds a new cause to fight for

In fact, this process is comparable to the use of fertilizers in agriculture, i.e. adding nutrients that are found to be lacking in the local environment to stimulate plant growth, in this case phytoplanckton that form the base of the marine food-chain.

UNESCO: MEDIA SERVICES

The likely impact includes forest conversion to agricultural land, a drop in biological diversity as a result of monocropping and the massive use of chemical fertilizers, pesticides and herbicides, unsustainable levels of water abstraction and a greater risk of water-related conflicts with local communities and neighbouring States sharing the same transboundary river systems.

UNESCO: Madiodio Niasse on the risks associated with large-scale foreign land aquisitions | United Nations Educational, Scientific and Cultural Organization