In the case of a process for the fertilizer application in the potato in the region of the respective attachment is, in the potato dams, - beds or the like tray designs of farmland a fertilizer selected seed lumps in the liquid, gaseous or solid state is introduced. In the longitudinal direction of potato rows can be a one or more of the fertilizer line (n) to be created structure having. The concept according to the invention provides that an at least in its composition, its amount, of its consistency and / or its distance with respect to the seed tuber partial area-specific manner to attain a fertilizer can be controlled the vicinity of seed is supplied to lumps. The discharge apparatus has a dosing unit which can be connected with at least two storage containers, so that the therein from at least two fertilizers miscible fertilizer can be detected via a feed system in the region of the potato dam, can be transferred. In this case, by means of a computer-aided control unit, a direct discharge of fertilizer (n), a respective mixture of fertilizers and / or a respective metering of the fertilizer discharge taking place in the fertilizer lines adjusted in a partial area-specific manner.
