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The article presents the results of research on a new design of a combined disc coulter, which makes it possible to implement the technology of sowing wheat by pressing the seeds into the bottom of the furrow. The material for the study was the seeds of winter wheat variety “Zustrich”. Studies have shown that the maximum pressing force of winter wheat seeds is much less than the force of their destruction, the depth of pressing is from 5 to 8 mm, the speed of the seeder is about 10 km · h −1 . On the basis of analytical studies, the design parameters and operating modes of the combined disc coulter were substantiated, which made it possible to obtain soil density at the bottom of the sowing furrow of 1.15 t · m −3 , seed germination – 86, 9%; uniformity of seed distribution in a row – 83, 6%, which fully complies with agricultural requirements.

Increasing the germination of wheat seeds using the technology of pressing seeds into the sowing furrows