1. A method of obtaining a mixture of herbicides, comprising the following steps: combining an auxin-based herbicide containing a first cation and an adjuvant that contains a salt containing a second cation, the salt being selected from the group consisting of: (a) an ammonium salt of Formula I where R, R , R and R independently represent a non-cyclic hydrocarbon residue C-X X represents an agronomically acceptable anion； (b) a salt containing a nitrogen-containing heterocycle of Formula II wherein A is a 5- or 6-membered heterocyclic ring； R 1 is C — C alkyl； R is hydrogen or C — C alkyl, and X is an agronomically acceptable anion； (c) phosphonium salts of Formula III wherein R, R, R and R are independently a non-cyclic hydrocarbon residue C — X — X is an agronomically acceptable anion； and mixtures thereof, and the mixture of herbicides has a total concentration of herbicide of not more than about 40% by weight of acid equivalent (EC). The method according to claim 1, characterized in that R, R, R and R independently represent C-Cili alkyl benzyl. 3. The method according to claim 2, characterized in that R, R, R and R independently represent C-C alkyl. The method according to claim 1, wherein the salt of Formula I is selected from the group consisting of tetraethylammonium chloride, tributyl methyl ammonium chloride, tetrabutyl ammonium chloride, tetrabutyl ammonium bromide and dodecyl trimethyl ammonium chloride. The method according to any one of paragraphs. 1-4, characterized in that A represents a substituted imidazole ring, a substituted pyridine ring or a substituted pyrrolidine ring. The method according to any one of paragraphs. 1-4, characterized in that R represents an alkyl C-C.7. The method according to any one of paragraphs. 1-4, characterized in that the salt of Formula II is selected from the group consisting of1. Способ получения смеси гербицидов, включающий следующие этапы:комбинирование гербицида на основе ауксина, содержащий первый катион и адъю
