This technology can reduce pesticides and chemical fertilizer pollution, to save irrigation water and to raise the fertilizer efficiency.

该技术能减少农药、化肥污染，节省灌溉用水和提高肥料利用率。

youdao

So, measures to control chemical fertilizer pollution are discussed in the paper on the basis on affirm the important role of chemical fertilizer in agriculture.

因此，在肯定施用化肥对农业增产有重要作用的同时，探讨预防化肥污染的方法和措施是十分必要的。

youdao

Suzhou and Yangzhou were polluted corresponsively by animals' feces pollution, domestic living pollution, chemical fertilizer pollution and fish breeding pond pollution.

苏州、扬州两地畜禽粪便污染、生活污染、化肥污染和精养鱼塘污染均占一定的比例。

youdao