| 摘要 |
<p>The present invention is a method of preparing artificial fertile soil from pulverized material such as sawdust or wood chips by the utilization of biological mass production techniques. In the steps for converting the pulverized woody material into fertile soil, four-footed livestock such as cattle are raised thereon, followed by the addition thereto of crushed animal carcass residues, the breeding of earthworms therein and, finally, the raising of domestic fowl such as chickens thereon.</p> |
