| 摘要 |
organometallic compounds. SUBSTANCE: invention describes bivalent metal dicitratoborates of the formula (1) , Mn2+,Co2+,Cu2+,Zn2+ synthesized by interaction of boric and citric acids and then with metal oxide or carbonate taken in the molar ratio = 1 : 2 : 0.5, respectively, in aqueous medium at heating in water bath. New compounds are used as microfertilizers and biostimulating agents enhancing yield of different agriculture crops. EFFECT: valuable properties of compounds. 2 dwg, 5 tbl, 3 ex
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