一、果园杂草发生规律春季果园主要杂草种类有早熟禾,牛繁偻、繁偻;夏季果园主要杂草种类有马唐、狗尾草,牛筋草、大画眉草、马齿苋等。果园中多年生的宿根杂草为害也很严重,这些杂草主要是旱莲子草、香附子、白茅、竹叶草、芦苇等。 First, the laws of the orchard weeds Spring orchard main weed species are bluegrass, cattle bustard, bustard; summer orchard main weeds are crabgrass, Setaria, tendon grass, large thrush grass, purslane and so on. Perennial perennial orchards in the orchard damage is also very serious, these weeds are mainly lotus seeds, incense monkshood, white grass, bamboo grass, reeds and so on.