| 摘要 |
<p>The invention relates to a machine for use in connection with the lifting up of seed potatoes and the like tuber or root crops and to a corresponding method. The machine comprises a number of lifting shares (3) and at least one endless conveyor chain (4, 5) to be rotated by the driving means of the machine, for the clearing or lifting up of the potatoes (2), and a covering tool, especially covering discs for the subsequent covering up of the potatoes. Alternative embodiments of the machine further comprise a plough share (6) ploughing a groove, into which the potatoes are put down, and preferably additionally a down chute (8) for the potatoes. The machine preferably clears two rows of potatoes, putting them down into one central row. The machine is used to avoid the transmission via green flies of harmful virus to the seed potatoes, and in order to obtain suitably matured potatoes having a firm skin. Using the machine an environmental advantage is also obtained, since there is no need for the tops of the potato plants to be withered down using chemical sprays, and besides the whole sequence of operations of the process is streamlined. Finally, the tendency of black scurf is reduced.</p> |
