| 摘要 |
PURPOSE: Provided is a pellet-shaped composite soil-improving agent containing germanium mineral which gives soil vitality, increases soil temperature and a dissolved oxygen rate, and has sterilization and antagonistic property. CONSTITUTION: The pellet-shaped composite soil-improving agent is produced by a process comprising the steps of: mixing fly ash, siliceous powder, calcareous fertilizer, germanium mineral powder, amino acid, cephalosporin, and sludge discharged from pharmaceutic companies; pelletizing the mixture; drying the pelleted mixture at a temperature of 200-300deg.C for 10-20 minutes. |
