The herbicide butachlor in certain de, sage has obvious hereditary toxicity to erythrocytes of Bufo gargarizans. The pollutionofherbicide to water cant be ignored.
一定利量的除草剂丁草胺对蟾蜍红细胞具有明显的遗传毒性，除草剂对水体的污染不容忽视。
2
But for over-applying herbicide, on the one hand which increases cost of production, on the other hand which causes pollution to environment.
但是由于除草剂过度使用，一方面增加了生产投入成本，另一方面也造成了环境的污染。
3
Although we have achieved great progress in the general control of the weed, there are also some serious problems in the harms of the weed, succession, drug-fast and the pollutionof the herbicide.