Experiments on Control of Weeds in Tobacco Fields with Herbicide and Herbicide Film

The experiments on control of weeds in tobacco fields were carried out in Zhaoyang and Zhanyi, Yunnan province.The results indicated that the relative control effects of Chuyatong and napropamide herbicide, and Jindoer herbicide film for tobacco field weeds were 93.8%, 61.2%, and 43.7%, respectively, in comparison with covering normal colorless plastic film, and the variance analysis showed that the differences among the treatments reached extremely significant level.