| 摘要 |
<p>A receptacle for the production of earth improving substances from organic waste comprising an enclosure divided into two sections, the upper section being detachably mounted on the lower section and serving the purpose of a lid for the last mentioned section, the lower section in addition comprising an inclining bottom portion and a horizontal or nearly horizontal bottom portion, and further supply ducts for air, said ducts communicating with the interior of said sections via openings and air exhaust ducts, characterized by at least part of the bottom having the form of a staircase with oblique steps and holes or slits arranged between adjacent steps, said steps being so arranged as to prevent waste material from falling down into said air supply channel.</p> |
