田间杂草是在人们经常与之作斗争的情况下生长发展过来的,长期自然选择的结果,造成杂草具有多种多样的生物学特性,是一类适应性大而繁殖力又强的特殊类型的植物,具有和作物不断竞争的能力,比作物更能忍受较差的环境。杂草给农业生产带来不少危害,它夺 Field weeds are the result of long-term natural selection and growth resulting from the constant struggle against the weeds, resulting in a variety of biological characteristics of weeds. They are a kind of adaptable, fertile and strong special The type of plant that has the ability to constantly compete with the crop is more tolerant of the poorer conditions than the crop. Weeds bring a lot of harm to agricultural production, it wins