| 摘要 |
<p>The present invention relates a soil improver comprising sludge, sawdust (a waste from mountain village) and white rot fungus, wherein the amount of white rot fungus is more than 107 cells per unit gram of the sludge and sawdust. The soil improver manufactured by adding white rot fungus into the base material comprising sludge and sawdust according to the present invention is a matured soil improver so that it is difficult to distinguish from upland soil; a economical soil because it can be quickly manufactured with the help of added white rot fungus; and a high effective soil improver because it contains a effective composition of sludge and degraded material of sawdust. By adding the soil improver according to present invention, the plantation of the soil of abandoned mine having low pH and nutrient shortage can be restored and heavy metals can be removed.</p> |
