An aqueous agrochemical suspension composition containing: (A) sodium bispyribac that is solid at room temperature and has a water solubility of at least 2 g / 100 ml at 20 ° C; (B) at least one type of a water soluble compound selected from the group consisting of; (B1) inorganic acids selected from hydrochloric acid, sulfuric acid, phosphoric acid, nitric acid and boric acid; (B2) salts of an inorganic acid selected from the group consisting of alkali metal salts selected from sodium hydrogen phosphate, sodium sulfate, potassium sulfate, sodium nitrate, sodium carbonate, sodium hydrogen carbonate, sodium chloride, potassium chloride and sodium borate, salts of alkaline earth metals selected from calcium chloride and magnesium chloride and ammonium salts selected from ammonium sulfate and ammonium nitrate; (B3) organic acids selected from the group consisting of acetic acid, citric acid, maleic acid, fumaric acid and tartaric acid; (B4) salts of organic acid selected from the group consisting of alkali metal salts selected from sodium acetate, sodium tartrate and sodium citrate, alkaline earth metal salts and ammonium salts of organic acid; and (B5) sodium hydroxide; and (C) water, component (A) having a solubility at 20 ° C of less than 2 g / 100 ml in an aqueous solution of component (B) of which the mixing ratio of component (B) and water is the same than in the composition.Una composición de suspensión agroquímica acuosa que contiene: (A) bispiribac sódico que es sólido a temperatura ambiente y tiene una solubilidad en agua de al menos 2 g/100 ml a 20 ºC; (B) al menos un tipo de un compuesto soluble en agua seleccionado del grupo que consiste en; (B1) ácidos inorgánicos seleccionados de ácido clorhídrico, ácido sulfúrico, ácido fosfórico, ácido nítrico y ácido bórico; (B2) sales de un ácido inorgánico seleccionadas del grupo que consiste en sales de metales alcalinos seleccionadas de hidrogenofosfato disódico, sulfato sódico, sulfato potásico, nitrato sódico, c