夏大豆是淮北地区重要的旱粮作物之一,杂草的防除已成为夏大豆种植成败的关键性问题。多年来各地调查结果表明,多数都因苗期草害严重得不到及时解决,轻则造成减产15%～30%,重则绝收。因此,消灭或控制大豆田杂草是确保丰收的关键。 Summer soybean is one of the important dry grain crops in Huaibei area. The prevention and control of weeds has become the key issue of summer soybean planting success. Over the years the results of the survey around the show that most are due to severe grazing at the seedling can not be resolved in time, ranging from a 15% to 30% reduction in production, while never yield. Therefore, eliminating or controlling weeds in soybean fields is the key to ensuring good harvests.