射阳县地处黄海之滨，为粮棉夹种地区，拥有耕地10万hm2，耕作制以麦棉两熟和麦稻2熟两种形式为主。大麦为该地区夏熟主要农作物，草害历来是制约其高产稳产的重要因素，每年损失产量占大麦总产的一成以上，因此，草害防除成为夺取大麦丰收的关键措施。通过近几年来的试验研究 Sheyang County is located in the Yellow Sea coast, grain and cotton species of the region, with cultivated land 100,000 hm2, farming system to wheat and cotton two ripe two forms of mainly two. Barley is the main crop of summer ripening in the region. Grass weed has always been an important factor that restricts its high and stable yield. Annual loss of yield accounts for more than 10% of total barley production. Therefore, the control of grass and pests has become the key measure to seize barley. Through the recent years of experimental research