| 摘要 |
<p>The earth specimen extractor is for determination of soil quality, condition, humus content, fertility etc. The sample receptor (22) is mounted on a disc (20) rotatable remover (26) co-operates with the receptor (22). A specimen collector (48) is assigned to the former (26). The receptor (22) can be formed as a lifting plate (28) enclosing an acute angle (alpha) with the side face (20a) of the disc (20). The plate (28) has a cutting edge (34). The remover (26) is formed as an element protruding, wedge-like, into a section of the plate's path of movement between the side face (20a) and the plate (28). The collector (48) can consist of a removable canister (52) inserted in a holder (50).</p> |
