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The study demonstrates effective distribution of solid mineral fertilizers using a coulter, indicating optimized parameters for application.
The paper considers the design of a coulter for the subsurface application of solid mineral fertilizers. The results of theoretical studies of the process of distribution of mineral fertilizer pellets in interaction with a fertilizer distributor are presented. Based on the optimization parameter, which was chosen as the distance of the pellets rebound from the center of the furrow being formed, the rational parameters of the angle of inclination of the multidirectional teeth of the distributor and their height above the soil surface were determined, and the values of the rational rate of falling of fertilizer pellets were established. The effective distribution of pellets was achieved at the values of the falling velocity from 1.5 to 3.5 m/s and the location of the multidirectional teeth above the soil surface of 0.15 m, with an angle of inclination from 5 to 6 °.
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Teterin et al. (2025) studied this question.
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