herbicides是什么意思,herbicides怎么读,
1.It is crucially important to farmers that the herbicides they use to control weeds not damage their crops.
对农民来说至关重要的是,他们用来控制杂草的除草剂不能损害他们的庄稼。
2.Rash characterized by many comedones that develops from exposure to chlorinated chemicals or herbicides.
是指由于暴露在一些化学物质或除草剂而引发的青春痘类型。
3.But nearly 90 percent of the U.S. cotton crop is so altered, either to resist insects, herbicides or both, according to the U.S. Department of Agriculture.
但根据美国农业部的数据,接近90%的美国棉花作物是做过基因改良的,以防虫或除草或兼而有之。
4.Synthetic herbicides, on the other hand, although not any longer lasting, can be reapplied as the crop grows.
另一方面,人造除草剂虽然不再持久,但可以在作物生长时重新使用。
5.And their use of more herbicides to fight the weeds is sparking environmental concerns.
他们施用更多的除草剂对抗杂草会导致环境问题。
6.The results of this study will provide a theoretical basis for further developing trichothecenes as biological herbicides and insecticides.
这项研究的结果将为进一步开发天花粉作为生物除草剂和杀虫剂提供理论依据。