FIELD: agriculture.SUBSTANCE: agrochemical composition comprises a crystalline active ingredient having a melting point of 70°C or lower, a dispersing agent, a latex, and water. Agrochemical composition is prepared by mixing the active ingredient and a dispersing agent to form an aqueous dispersion, crushing it to give a fine aqueous dispersion and fine dispersion obtained from combining the active compound with latex. The active ingredient and latex remain substantially separated from each other in a composition. Agrochemical composition is used in a particular territorial area for controlling unwanted plants with pathogenic fungi or insects.EFFECT: agrochemical composition is stable and efficient.16 cl, 1 tbl, 1 ex