FIELD: agriculture.
SUBSTANCE: invention relates to methods of production of stimulators of grain crops. Succinic acid is mixed with monoethanolamine in a molar ratio of 1:1. The mixture is continuously stirred for 1-2 hours at a temperature of 18-24°C. Crystals of monoethanolammonium hydrosuccinate are obtained by isothermal evaporation for 8-10 days. The crystals are separated from the solution and dried. 0.001% aqueous solution of monoethanolammonium hydrosuccinate is produced.
EFFECT: expansion of the range of stimulators of grain crops is provided.
1 dwg, 5 tbl
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