| 摘要 |
1. A device for feeding controlled amounts of mineral fertilizers and/or plant pesticides to a ploughed soil layer, situated on a rigid frame, having at least one tank of the supplied medium with a feed chute and a batching unit driven mechanically by a copying drive wheel placed on the last plough body via a chain transmission, while each tank has a blade-type plough body situated under it, characterized in that the chain transmission (3), driven by a copying drive wheel (2) running along a furrow, is connected via an star-type intersecting axis gear (4) to a drive shaft (5) which passes through at least one tank (6) of the medium being supplied to the ploughed soil layer, while the drive wheel (2) has a deflectable arm (11), and on the drive shaft (5), in each tank (6), is a brush-type batching unit (8), near which is a gate (9) with adjustable discharge holes (17).<IMAGE>
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