A herbicide for paddy field which is characterized in that it contains a sulphonylaminophenyluracil derivative as an active ingredient which is represented by the formula (I):
 wherein
R¹represents hydrogen or methyl,
R²represents C₁₋₅ alkyl, fluoro-substituted C₁₋₂ alkyl or C₃₋₆ cycloalkyl,
 and herbidical compositions which contain the sulphonylaminophenyluracil derivatives as defined above and other herbicidal compound or compounds as the effective ingredients.
                            一种用于
水田的
除草剂,其特征在于含有磺酰
氨基苯
脲嘧啶衍
生物作为活性成分,其活性成分由式 (I) 表示:
 其中
R¹ 代表氢或甲基、
R² 代表 C₁₋₅ 烷基、
氟代 C₁₋₂ 烷基或 C₃₋₆ 环烷基、
 以及含有上述磺酰
氨基苯
脲嘧啶衍
生物和其他除草化合物作为有效成分的除草组合物。