| 摘要 |
PURPOSE: Provided is functional earth comprising charcoal, loess, germanium and silver, which activates the growth of agricultural plants, purifies the earth contaminated by agricultural chemicals, and removes harmful insects by the anti-bacterial property. CONSTITUTION: The functional earth is obtained by mixing 3 moles of charcoal powder, 6 moles of loess powder and 1 mole of germanium; dissolving a silver colloid solution having the solid content of 20% into 1000 ml of water; mixing the mixed powder with the solution, drying and grinding. |
