防除草害的“妙药” 庄稼地里长了杂草就象人肚子里长了蛔虫一样,它把养料给抢走了。有人做过试验:在两尺长的大豆地里只要有一棵狗尾草,产量就会减少半成左右,你想想,杂草棉每年要使我们损失多少收成啊！为了除草,种田人一年要付出巨大劳动。 Grass weed control “wonderful medicine” crops grow in the weeds like human belly grew roundworms, it nourishment to snatch away. Some people have done the test: in a two-foot-long soybean field as long as there is a Setaria, the yield will be reduced by about half, you think about weed cotton every year how much loss we lose ah! In order to weed, farming people to pay a huge amount of labor a year.