WORKING TOOL OF DRILL-CULTIVATOR Russian patent published in 1997 - IPC

FIELD: agriculture. SUBSTANCE: working tool mounted on drill bar has tine 1 and chisel 8 made in the form of elliptical cone with rounded apex 9. Tine has vertical seed feeding cavity 6. Deformator 10 for embedding seeds into seed bed is positioned in tine line on its face. During early spring, when soil moisture content is about 30%, drill is used for combined presowing treatment, sowing, seed embedding, covering and simultaneously narrow cylindrical seed bed is formed at plow depth, with following feeding of seeds and dispensing them in row, embedding into seed bed and covering with loose soil. EFFECT: increased efficiency, wider operational capabilities and enhanced reliability in operation. 2 cl, 4 dwg, 1 tbl