The present invention relates to an uracil compound of the formula ÄIÜ: <；CHEM>； Äwherein, Q-R<；3>； represents a R<；3>；-substituted group of a 5-membered or 6-membered heterocyclic ring having one or two nitrogen atoms selected from the group consisting of moieties represented in the specification (wherein this heterocyclic ring may be substituted with at least one kind of substituent, Y represents oxygen, sulfur, imino or C1 to C3 alkylimino, R<；1>； represents C1 to C3 alkyl or C1 to C3 haloalkyl, R<；2>； represents C1 to C3 alkyl, R<；3>； represents carboxy C1 to C6 alkyl, C1 to C6 alkoxycarbonyl C1 to C6 alkyl, OR<；7>；, SR<；8>；, N(R<；9>；)R<；10>； or the like, X<；1>； represents halogen, cyano, thiocarbamoyl or nitro, X<；2>； represents hydrogen or halogen. äwherein, each of R<；7>；, R<；8>； and R<；10>； independently represents carboxy C1 to C6 alkyl, C1 to C6 alkoxycarbonyl C1 to C6 alkyl, C1 to C6 haloalkoxycarbonyl C1 to C6 alkyl, or the like, and R<；9>； represents hydrogen or C1 to C6 alkyl ü Ü. The present compound has an excellent herbicidal activity.
