herbicide protective compositions containing aryl carboxylic acid n- (1,3,4-oxadiazol-2-yl) amides. Herbicide-protecting compositions consisting of active herbicidal ingredients of the n- (1,3,4-oxadiazol-2-yl) arylcarboxamides group and protectors are described herein. These herbicide protective compositions are particularly suitable for use against harmful plants in useful plantings