SOLID ORGANIC FERTILIZER SPREADER Russian patent published in 2003 - IPC

FIELD: agricultural engineering. SUBSTANCE: spreader has frame 1 with carrier wheel 2, guiding device 3, drive mechanism with reducer 4, annular limiter 5, and combined rotor made in the form of disk 6 with inclined rotational spindle. Plated blades 7 are fixed on disk top surface and trough-shaped blades 8 of variable section are fixed on disk bottom surface. Blades 8 have lower edge 9 extending in parallel with sowing strip and spaced from it by distance of 4-5 cm. Variable section of trough-shaped blades and arrangement in parallel with sowing strip provide for convenient grasping of remaining part of fertilizer ridge through the entire height thereof and, accordingly, more uniform, up to 85%, distribution of fertilizer over width of sowing strip. EFFECT: increased efficiency and simplified construction. 2 dwg