PROBLEM TO BE SOLVED: To provide a novel herbicidal composition useful as a herbicide for paddy-field rice and a novel weeding method.SOLUTION: A herbicide composition contains a heterocyclic amide compound represented by the following formula, and a component selected from cyhalofop-butyl, pyrazosulfuron-ethyl, dimethametryn, mesotrione, clomazone and the like [X is O Ris ethylthio or the like Ris trifluoromethyl or the like Ris H or the like Ris H, C-Calkyl or the like n is an integer of 0-3].SELECTED DRAWING: None【課題】水稲用除草剤として有用な新規な除草性組成物及び除草方法の提供。【解決手段】下式で示される複素環アミド化合物と、シハロホップブチル、ピラゾスルフロンエチル、ジメタメトリン、メソシリオン、クロマゾン等から選ばれる成分を含む除草剤組成物。[XはO;R1aはエチルチオ等;R2aはトリフルオロメチル等;R3はH等;R4aはH、C1~C6アルキル等;nは0~3の整数]【選択図】なし
