The farmer uses herbicides to kill weeds in the field.

农民使用除草剂来杀死田地里的杂草。

The superweed has developed resistance to common herbicides.

超级杂草已经对常见的除草剂产生了抗药性。

Most herbicides were degraded and run off in soil.

大部分除草剂在土壤环境中被降解或流失.

Neither pesticides nor herbicides are used in that forest.

没有任何杀虫剂和除草剂在这个森林使用。

Habitat loss, pesticides, herbicides and impacts of climate change.

栖息地的消失、杀虫剂、除草剂和气候变化都会对其产生影响。

More environment friendly as they require less herbicides and pesticides.

环境破坏小，因为种植它们所需要的除草剂及杀虫剂更少。

Efficacies of 8 herbicides in winter oilseed rape field were compared.

研究了8种除草剂防除冬油菜田杂草的效果.

Butachlor is one of the three largest produced and used herbicides in our country.

丁草胺是我国生产和使用量最大的三种除草剂之一。

Poisons that generally affect only unwanted plants, or weeds, are called herbicides.

那些只抑制多余植物或杂草生长的药被称为除草剂.

That means farmers can use the herbicides more liberally without killing their plants.

这意味着，农民可以任意使用除草剂而不毁坏庄稼。