FIELD: pesticides. SUBSTANCE: pesticide aqueous suspension concentrate has compound of the formula (I): 1-methyl-3-(2-fluoro-4-chloro- -5-carbethoxymethoxyphenyl)-4-chloro-5-difluoromethoxypyrazole as an active component where sizes of 50% particles and sizes of 90% particles at total distribution of an active component particles are less 1 mcm and less 2 mcm, respectively. This concentrate is harmless for cultured plants and its herbicide activity is similar with that of an emulsified concentrate. EFFECT: improved method of preparing, high effectiveness of preparation. 2 cl, 3 tbl, 11 ex
