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陕西省农田常见杂草有328种,并以不同的种类和成分组合一起构成危害,其中对农田危害严重或局部地区危害严重的优势杂草有41种,造成的损失较大。根据多年防除经验,麦田应着重控制野燕麦、播娘蒿、麦仁珠或猪殃殃、繁缕、看麦娘、刺儿菜、打碗花等;棉田与秋作物田应着重控制马唐、狗尾草、藜、落地稗或香附子、刺儿菜、苣荬菜等;稻田应着重控制稗、异型莎草、扁秆藨草或萤蔺、水莎草、眼子菜等。控制杂草,应从限制传播体进入农田着手。对已进入农田的杂草,可视草情和苗情,采用以化学除草为主体的综合除草措施。
There are 328 kinds of common weeds in farmland in Shaanxi Province, and they are combined with different kinds and combinations of ingredients. Among them, 41 kinds of weeds have serious harm to farmland or serious harm in some areas, resulting in large losses. According to many years of experience in the prevention and control, wheat field should focus on the control of wild oats, sowing Artemisia annua, wheat kernel beads or Galium chinensis, chickweed, see Ophiopogon, Calendula, bowl of flowers, etc.; , Setaria viridis, Chenopodium album, ground barnyardgrass or Cyperus rotundus, sage, cabbage and so on; paddy field should focus on the control of barnyardgrass, Shaped sedge, flat barnyard grass or iris Lin, water sedge, eye drops and so on. Control weeds should start with limiting the spread of the body to the farmland. For the weeds that have entered the farmland, the visual grass and the seedlings, we adopt a comprehensive herbicidal measure that takes chemical weeding as the main component.