| 摘要 |
PURPOSE: A bed soil is provided which can remove an offensive odor by mixing the earthworm excrement into organic wastes. CONSTITUTION: The earthworm excrement and micro-organism culture live in earthworm liver are put into the organic wastes, followed by addition of pine bark, fish flour and bone-dust to give a feed for earthworm. Obtained feed is used for earthworm not passing through a course of natural rot, and the excrement is utilized for the bed soil. |
