棉花是乌苏市主要的经济作物,近几年种植面积占全市农作物总播种面积的70%以上。龙葵是本区棉田恶性杂草之一,其危害已经对棉花生产造成了一定影响。一、试验目的通过试验稻欢防除棉田杂草,验证其对棉田龙葵的防治效果及对棉花生长安全性的影响,为生产上大面积推广应用提供依据。二、供试材料1.供试药剂24%乙氧氟草醚乳油除草剂,商品名稻欢;33% Cotton is the main cash crop in Usu City. In recent years, its acreage has accounted for over 70% of the total sown area of ​​the city’s crops. Solanum nigrum is one of the malignant weeds in cotton field in this area, and its harm has caused some impact on cotton production. First, the purpose of the experiment Through the trial of rice straw to prevent weeds in cotton fields, to verify its prevention and control of Solanum natans and its impact on the safety of cotton growth for the production of large areas to promote the use of provide the basis. Second, the test materials 1 for the test agent 24% oxyfluorfen EC EC herbicide, trade name rice Huan; 33%