TILLAGE AND SEEDING APPARATUS Russian patent published in 2008 - IPC A01B13/00 A01C7/00 

FIELD: agricultural engineering.

SUBSTANCE: tillage and seeding apparatus has frame with self-adjusting front wheel and supporting-covering rollers, hydraulic system, two hoppers for seeds and fertilizers, grain and fertilizer seeding units, seed guides, fertilizer guides, and hoe-type shanks. Slitters are mounted on frame forward of shanks, and two cone rollers are mounted on frame behind each slitter. Screw-type straw guide and straw pusher are positioned in succession behind slitter in frame bearing. Fertilizer guide provided with point is positioned rearward thereof. Front cutting part of tine of each slitter is sharpened in double-sided asymmetrical manner at an angle α=φ, where φ is soil friction angle of slitter against soil. Inclination angles α₁ and α₂ forming sharpening to plane extending through slitter cutting edge are of equal value and each makes half the single sharpening angle α. Slitter tine cutting edge is offset from its mid portion so as to divide slitter tine thickness in proportion of b₁=1/3b, b₂=2/3b, where b is slitter thickness, b₁ and b₂ are distances from cutting edge of slitter tine to its right-hand and left-hand surfaces, respectively.

EFFECT: increased efficiency by providing complex of agronomical procedures for single pass of apparatus to thereby reduce number of passes across the field, improved ecological situation, accumulation and retention of moisture in soil, increased yield, and reduced costs of resulted products.

5 cl, 8 dwg