| 摘要 |
PURPOSE: Provided are a herbicidal composition comprising mainly salt for grass-protection and its manufacturing method. The manufactured herbicidal composition has excellent herbicidal activity, provides grass with nutrients, prevents environmental contamination, and harmless to the human body. CONSTITUTION: A herbicidal composition is manufactured by the steps of: mixing 50 wt.% of salt water containing 15-50g of salt per 1L, 20 wt.% of lime, 4 wt.% of yellow loess, 12 wt.% of a plant extract, 3 wt.% of nitrogen, 3 wt.% of active phosphoric acid, 1 wt.% of potassium, 1 wt.% of calcium, 3 wt.% of magnesium and 3 wt.% of sodium; heating, fermenting and drying the mixture thereof; and pulverizing it. |
