| 摘要 |
FIELD: agriculture. SUBSTANCE: invention describes composite used for the control of chlorosis and stimulation of growth of vegetable crops containing components in the following ratio, wt.-%: ferric chloride or ferrous sulfate heptahydrate, or ferric (III) sulfate, 2-25; citric acid, 2-32; monoethanolamine, 3-30; water, the balance. Invention provides preparing the composite that protects plants against chlorosis effectively and enhances productivity of such vegetable crops as cucumber and tomato. EFFECT: enhanced effectiveness and valuable agricultural properties of composite. 2 cl, 2 tbl, 5 ex
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