An adjuvant composition containing a) one or more alkyl glucamides of the formula (I), wherein R1 represents a linear or branched alkyl group having 5 to 9 carbon atoms, R2 represents an alkyl group having 1 to 3 carbon atoms； b) at least one water-soluble ammonium salt, preferably selected from the group consisting of ammonium sulfate, ammonium nitrate, ammonium nitrate urea, ammonium phosphate, ammoniumeitrate, ammonium chloride, and ammonium thiosulfate； c) propylene glycol, dipropylene glycol, mixtures of propylene glycol and dipropylene glycol, in each case optionally in a mixture with polypropylene glycol and/or polyethylene glycol, in each case with up to 10 repeating units； and d) water is suitable for increasing the efficacy of electrolyte active substances.
