The use of a liquid composition for seed treatment, wherein the composition comprises: active ingredient; polyarylphenol polyalkoxy ether phosphate and/or polyarylphenol polyalkoxy ether sulfate having the formula: wherein each R independently represents hydrogen or C 1 -C 4 alkyl; Alk represents C 2 -C 6 alkylene; n has a value from 5 to 60; and X is -S0 3 H 2 or -PO 3 H; or an agriculturally acceptable base addition salt thereof; and copolymer comprising: (i) monomer units of at least one ester of an ethylenically unsaturated carboxylic acid, wherein the carboxylic acid ester has an alkoxylate residue of the general formula: (R 1)n-X'-(CHR 2 CH 2 O) w -(CHR 3 CH 2 O) x -(CHR 4 (CH 2) y O) z -, in which R 1 is hydrogen or an aliphatic hydrocarbon residue with 1 to 40 carbon atoms, preferably linear or branched, saturated or unsaturated C 1 -C 6 -alkyl; R 2, R 3, R 4 are, independently of one another, hydrogen or C 1 -C 4 -alkyl w, x, z correspond, independently of one another, to a value of 0 to 100, the sum of w, x and z being greater than 0; y corresponds to a value of 1 to 20; X' is N or O, n being 1 if X' is O; or n being 2 if X' is N; and (ii) monomer units of at least one additional copolymerizable comonomer selected from methyl acrylate and methyl methacrylate. active ingredient; polyarylphenol polyalkoxy ether phosphate and/or polyarylphenol polyalkoxy ether sulfate having the formula: wherein each R independently represents hydrogen or C 1 -C 4 alkyl; Alk represents C 2 -C 6 alkylene; n has a value from 5 to 60; and X is -S0 3 H 2 or -PO 3 H; or an agriculturally acceptable base addition salt thereof; and copolymer comprising: (i) monomer units of at least one ester of an ethylenically unsaturated carboxylic acid, wherein the carboxylic acid ester has an alkoxylate residue of the general formula: (R 1)n-X'-(CHR 2 CH 2 O) w -(CHR 3 CH 2 O) x -(CHR 4 (CH 2) y O) z -, in which R 1 is hydrogen or an aliphatic hydrocarbon residue with 1 to 40 carbon atoms, preferably linear or branched, saturated or unsaturated C 1 -C 6 -alkyl; R 2, R 3, R 4 are, independently of one another, hydrogen or C 1 -C 4 -alkyl w, x, z correspond, independently of one another, to a value of 0 to 100, the sum of w, x and z being greater than 0; y corresponds to a value of 1 to 20; X' is N or O, n being 1 if X' is O; or n being 2 if X' is N; and (ii) monomer units of at least one additional copolymerizable comonomer selected from methyl acrylate and methyl methacrylate. (i) monomer units of at least one ester of an ethylenically unsaturated carboxylic acid, wherein the carboxylic acid ester has an alkoxylate residue of the general formula: (R 1)n-X'-(CHR 2 CH 2 O) w -(CHR 3 CH 2 O) x -(CHR 4 (CH 2) y O) z -, in which R 1 is hydrogen or an aliphatic hydrocarbon residue with 1 to 40 carbon atoms, preferably linear or branched, saturated or unsaturated C 1 -C 6 -alkyl; R 2, R 3, R 4 are, independently of one another, hydrogen or C 1 -C 4 -alkyl w, x, z correspond, independently of one another, to a value of 0 to 100, the sum of w, x and z being greater than 0; y corresponds to a value of 1 to 20; X' is N or O, n being 1 if X' is O; or n being 2 if X' is N; and R 1 is hydrogen or an aliphatic hydrocarbon residue with 1 to 40 carbon atoms, preferably linear or branched, saturated or unsaturated C 1 -C 6 -alkyl; R 2, R 3, R 4 are, independently of one another, hydrogen or C 1 -C 4 -alkyl w, x, z correspond, independently of one another, to a value of 0 to 100, the sum of w, x and z being greater than 0; y corresponds to a value of 1 to 20; X' is N or O, (ii) monomer units of at least one additional copolymerizable comonomer selected from methyl acrylate and methyl methacrylate.