1·Soybeans and corn are not sown together in the same filed; nevertheless, most farmers are reluctant to use the herbicide on their corn.
大豆和玉米不是在同一块地里播种的；然而，大多数农民不愿意在他们的玉米上使用除草剂。
2·In order to eliminate the weed, biologists proposed treating infested parts of the lake with a certain herbicide that is nontoxic for humans and aquatic animals.
为了消除这种杂草，生物学家建议用某种对人类和水生动物无毒的除草剂来处理受感染的部分湖泊。
3·Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction.
经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。
4·But water containing the herbicide cannot be released back into the river and it is known that low water levels can harm river ecosystems accustomed to higher levels.
但含有除草剂的水不能再排向河流，而且我们知道低水位将会对习惯于高水位的河流生态系统造成危害。
5·About 2% of the treated plants survived herbicide treatment, showing that gene swaps had occurred.
除草剂处理后大约2%的植物生存下来。说明已经发生了基因互换。