Abstract
The article is devoted to the implementation of strip sowing technology with a discator working body. The strip sowing, in comparison with the existing row sowing, increases the area of seed feeding, which increases the yield of grain crops. The coulters currently used for strip sowing with the under-spreading distributor are energy intensive and prone to clogging. It is proposed to use disc spherical disc coulters with a distributor. Compact designs of disc seed drills with spherical disc openers have been developed, which can replace bulky seeding complexes. Disc seed drills combine strip sowing with mini and no-till, reducing energy consumption, increasing speeds and productivity. Providing seeds with nutritional areas of at least 10 cm2, they actually implement a new technology for sowing cereals, which can increase yields by 2-3 times compared to ordinary sowing.
Highlights
Increasing the yield of grain crops does not lose its relevance throughout the post-war decades
Equipping seeders with spherical disc coulters with a decent seed flow distributor will open the way for creating a single-machine compact sowing system for strip sowing based on a conventional discator
The developed sowing machine R-4,2M with spherical disc coulters is capable of performing several agrotechnical operations simultaneously:
Summary
Increasing the yield of grain crops does not lose its relevance throughout the post-war decades. Analysis of technologies for cultivation of grain crops shows that sowing technologies have a significant potential for increasing yields. They are characterized primarily by the sowing method, which determines the topology of seed placement in the field area. Such an important factor in productivity as ensuring the area of plant nutrition is not given due attention
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