There is provided novel agricultural chemicals, in particular herbicides. A ketone or oxime compound or a salt thereof of Formula (1):wherein B is a ring of any one of B-1, B-2, or B-3, Q is an oxygen atom, a sulfur atom, NOR7, etc., R6 is a hydrogen atom, C1-6 alkyl, etc., R7 is a hydrogen atom, C1-6 alkyl, etc., R8a, R8b, R9a, R9b, R10, R11, R12, R13, and R14 are each independently a hydrogen atom, C1-6 alkyl, etc., m is an integer of 1 or 2, n is an integer of 0, 1 or 2； and a herbicide comprising the compound or salt thereof.
