PCT No. PCT/US97/10552 Sec. 371 Date Dec. 15, 1998 Sec. 102(e) Date Dec. 15, 1998 PCT Filed Jun. 18, 1997 PCT Pub. No. WO97/48276 PCT Pub. Date Dec. 24, 1997This invention relates to herbicidal mixtures comprising 2-(4-methylsulfonyl-2-nitrobenzoyl)-1,3-cyclohexanedione in combination with one or more sulfonylureas selected from nicosulfuron, rimsulfuron, thifensulfuron methyl, primisulfuron methyl, prosulfuron, and halosulfuron methyl, herbicidal compositions of the mixtures, and a method of using the mixtures to control undesired vegetation.