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我场麦田杂草主要有看麦娘和春蓼两种,其次还有卷耳、网草、碎米齐、繁缕、水苦卖、硷茅等十多种。这些杂草在麦田发生基数大,连年稻麦轮作田尤其严重。如看麦娘一般田块每平方尺200株左右,草荒田400株以上,超过三麦基本苗数2—5倍。春蓼一般田块每平方尺60株,草荒田150株以上,也达到三麦基本苗数一倍多。麦田杂草与麦争夺肥料,占据地盘,影响通风透光,造成田间郁闭,病虫蔓延滋长,妨碍机械收割,对三麦高产影响极大。
My field of wheat weeds are mainly to see Amanita and spring Polygonum two, followed by volume ears, net grass, broken rice Qi, chickweed, water Kucha, over 10 kinds of Mao Mao. These weeds occur in the wheat field base, even years of rice crop rotation is particularly serious. For example, if we look at the average size of Amaryllis, about 200 plants per square foot, more than 400 grass waste fields and 2-5 times more than the basic wheat seedlings. Polygonum general field plots 60 per square foot, more than 150 grassland wasteland, but also to more than double the number of three wheat basal. Wheat fields and weeds compete for fertilizers, occupy the site, affecting the ventilation and light, resulting in field canopy, pests and diseases spread and growth, hinder the mechanical harvesting, a great impact on the high yield of San Mai.