果园杂草的防除方法云南农业大学农学院６５０２０１张兴旺苹果、梨、桃、柑桔等果园，特别是幼龄果园，由于树体小，行间宽，空间大，一到雨季，白茅、狗牙根、狗尾草、马塘、苍耳、鬼针草、青蒿、黄蒿、香附子、鸭跖草、车前草、牵牛花、燕麦、辣蓼等杂草，应运而生，不... Orchard weed control method Agricultural College of Agriculture, Yunnan Agricultural University 650201 Zhang Xingwang Apples, pears, peaches, oranges and other orchards, especially young orchards, due to the small tree, the line width, space, one to the rainy season, Roots, Setaria, Matang, Xanthium, Bidens, Artemisia annua, Artemisia annua, Cyperus rotundus, Commelina, Plantain, Morning Glory, Oats, Polygonum and other weeds, came into being, not .. .