There is provided a method for the preemergence and postemergence control of undesirable plant species by the application of a herbicidally effective amount of a 1,2,4-trialkyl disubstituted pyrazolium salt to the foliage of said undesirable plant species, and to soil containing seeds thereof.
                            本发明提供了一种方法,通过施用1,2,4-三烷基二取代
吡唑盐的除草有效量到所述不良植物物种的叶面和含有其种子的土壤上,以实现对不良植物物种的萌发前和萌发后的控制。