FIELD: agriculture.
SUBSTANCE: invention relates to auxiliary means for water preparation that do not contribute to the volatility of pesticide compositions. A concentrate of the composition for water preparation contains tricarboxylic acid or its salt, phosphoric acid and at least one alkyl polyglucoside. At the same time, the concentrate contains the effective amount of tricarboxylic acid or its salt for reduction of the effect of dissolved water hardness cations on the efficiency of herbicides sensitive to hard water without contributing to the volatility of auxin herbicides in a herbicidal composition of a mixture for spraying intended for the application to agricultural crops resistant to dicamba. The herbicidal composition of the mixture for spraying intended for the application to agricultural crops resistant to dicamba contains the above-mentioned concentrate and an auxin herbicide. At the same time, pH of the herbicidal composition of the mixture for spraying is buffered to a value from 5 to 10. A method for the regulation of growth of a plant receptive to auxin includes obtaining an aqueous herbicidal tank mixture for spraying containing an auxin herbicide, the above-mentioned concentrate and water, and applying the herbicidally effective amount of the aqueous herbicidal tank composition for spraying to the plant receptive to auxin.
EFFECT: invention allows for reduction of the effect of dissolved water hardness cations to the efficiency of herbicides sensitive to hard water without contributing to the volatility of auxin herbicides in the herbicidal composition.
39 cl, 5 tbl
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