| 摘要 |
FIELD: inorganic fertilizers. SUBSTANCE: fertilizer is composed of, wt % (calculated for dry materials): boric acid 36.00-37.20, copper sulfate 8.00-9.10, zinc sulfate 21.00-23.00, ammonium tungstenate 0.20-0.33, potassium iodide 0.14- 0.22, cobalt sulfate 0.50-0.65, manganese sulfate 29.00-30.50. EFFECT: increased effectiveness. 3 tbl |
