FIELD: chemistry.
SUBSTANCE: invention relates to agriculture. Low temperature-stable, highly concentrated herbicide preparation contains a mixture of 1-methylheptyl ether of fluroxypyr, a surfactant or a mixture of surfactants and N-alkanoyl morpholine solvent of formula: 
where R is a C5-C11alkyl group. The preparation contains 430-600 g/l fluroxypyr ester, 100-200 g/l surfactant and 300-560 g/l N-alkanoyl morpholine as a solvent.
EFFECT: invention enables to obtain a preparation which exhibits high stability at low temperature at high concentrations.
2 cl, 2 ex
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