This technology can reduce pesticides and chemicalfertilizerpollution, 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。
2
So, measures to control chemicalfertilizerpollution are discussed in the paper on the basis on affirm the important role of chemicalfertilizer 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。
3
Suzhou and Yangzhou were polluted corresponsively by animals' feces pollution, domestic living pollution, chemicalfertilizerpollution and fish breeding pond pollution.