SOWING SECTION OF SEED-FERTILISER SEEDER Russian patent published in 2011 - IPC A01C7/20 

FIELD: agriculture.

SUBSTANCE: sowing section comprises a bracket, fingers, traction rods, a spring, a stand, an axis, a disc knife, a combined ploughshare. Stand is arranged as L-shaped, and axis is rigidly fixed to its lower part to hold the disc knife with flange. A combined ploughshare is fixed by means of plate to L-shaped stand behind disc knife. Ploughshare comprises two seed-fertiliser tubes and a fertiliser tube, rigidly joined to each other and fixed on plate. Lower ends of seed-fertiliser tubes arranged over cutting edge of disc knife are bent at sharp angles accordingly to the right and left so that distance between them is equal to width of space between rows. Gates are hingedly fixed in cavities of seed-fertiliser tubes arranged with trapezoid form, and larger bases of trapezoids are facing down. Flat springs are joined to gates, bent at the angle of 90°. Lower end of fertiliser-tube is bent backward and is arranged at the level of lower edge of disc knife. Lifting lever is hingedly fixed in upper part of fertiliser-tube and is arranged in the form of trident. Middle tooth of trident is arranged in cavity of lower end of fertiliser tube, and two extreme teeth are bent down by arc, over middle tooth there is a spring gate.

EFFECT: invention will make it possible to reduce energy inputs, due to combination of sowing operations and application of main and starter doses of fertilisers, oriented arrangement of fertilisers relative to plant root system.

6 dwg