Requirement 1: composition by weight: (I) 2% to 90% of water-soluble sulfonylfluoride； (II) 1% to 50% of ethanolamine； (III) 0% to 95% of one or more other ingredients； the sum of all ingredients in the composition is 100%. Claim 3: the composition of claim 1, in which flutamide is selected from amidefluoro, azosulfonyl fluoride, methylbenzene sulfonate, chlorodifluoroethylene, chlorosulfonyl fluoride, cyaniding sulfur, cyclosulfur, methylethanesulfonyl fluoride, ethyldihydroxy sulfonation, fluorosulfonyl fluoride, fluorosulfonyl fluoride, fluorosulfonyl fluoride, Methyl halide sulfonyl fluoride methyl iodide fluoridemesosulfur n metilo metsulfur n metilo nicosulfur n oxasulfur n primisulfur n metilo prosulfur n pirazosulfur n etilo rimsulfur na sulfometuron metilo sulfosulfur n tifensulfur n metilo triasulfur n tribenur n metilo trifloxisulfur n triflusulfur n metilo y tritosulfur n Reivindicaci n 5 Un m todo para reducir la contaminaci (b) To form a composition by weight: (I) 2% to 90% of water-soluble sulfonylfluoride: 1% to 50% of ethanolamine； (II) 0% to 95% of one or more other ingredients； all ingredients add up to 100%；(c) In the case of minimizing the accumulation of insoluble fipronuron in the spray tank, the components of fipronuron salt were applied to the crops； and (d) there was basically no residual fipronuron in the tank after application.Reivindicación 1: Una composición que comprende en peso: (i) de 2% a 90% sal de sulfonilurea soluble en agua； (ii) de 1% a 50% etanolamina； (iii) de 0 a 95% de uno o más componentes de formulación adicionales； la suma de todos componentes en la composición da un total de 100%. Reivindicación 3: La composición de la reivindicación 1, donde la sulfonilurea se selecciona a partir de amidosulfurón, azimsulfurón, bensulfuron metilo, clorimuron etilo, clorsulfurón, cinosulfurón, ciclosulfamurón, etametsulfurón metilo, etoxisulfurón, flupirsulfurón metilo, flazasulfurón, flucetosulfurón, foramsulfurón, halosulfurón metil
