SOWING DEVICE WITH SIMULTANEOUS APPLICATION OF THE MAIN FERTILIZER Russian patent published in 2021 - IPC A01C7/00 

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture, namely to machines for sowing with the simultaneous introduction of solid mineral fertilizers. The device includes a wedge-shaped furrow former mounted on a frame with a support wheel, bunkers for fertilizers and seeds, a device for spot seeding of seeds containing a seed guide, a disc, and a device for spot fertilization with a metering system connected to a feed line, which is located below the seed guide, and a roller for rolling up the soil. The fertilizer hopper is divided into compartments of equal volume for each of the nutrients - nitrogen, phosphorus and potassium. The dosing device has outlet windows with slots for installing movable flaps, equipped with a scale graduated in kg with a graduation of 0.25 kg. Also, the metering device has fixed indicators, relative to which the dampers with a scale, fixed by bolts, and dampers in the form of plates for opening and closing the outlet windows by means of an electromagnet communicated with the electrical equipment of the tractor. In this case, for attachment to the frame, the furrow former has a four-link parallelogram mechanism, consisting of a front bracket and a rear bracket, on which the holder for the furrow former and a support wheel are located. The furrow former is connected to the holder by means of a locking bolt, and the front bracket is fixed to the bar of the seeder with brackets with the possibility of adjusting the planting depth.

EFFECT: improves the quality of dosing when sowing microelements by making the volumes of the bunkers constant, and the release of fertilizers from them - regulated depending on the type of agricultural crop.

1 cl, 3 dwg