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NUKESHEV SAYAKHAT, ESKHOZHIN DZHADYGER, LICHMAN GENNADY, KARAIVANOV DIMITAR, ZOLOTUKHIN EVGENY, SYZDYKOV DANIYAR. 2016. Theoretical Substantiation of the Design of a Seeding Device for Diff erentiated Intra Soil Application of Mineral Fertilizers. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 64(1): 115–122. The existing seeding devices not fully provide quality of application of mineral fertilizers. Unevenness and instability of application reach 20–40% at demanded to 15%. It, fi rst of all, associated with the absorption of fertilizers and imperfection of seeding devices for fertilizer. For a solution of the problem of ensuring quality of application of mineral fertilizers at their intra soil diff erentiated application the original design of the pin reel of a seeding device is off ered. Pins of the reel are executed in the form of the tetrahedral truncated pyramids located on crossing right and le multiple-helical lines on a reel surface. Theoretical researches relied on regularities of classical mechanics. As a result of theoretical researches the expression connecting all key design and technological parameters is received: reel radius, number of pins on it, their height and the sizes of the top and lower basis, diameter of a driving wheel, rate of application, aisle width, and transfer ratio of the driving mechanism.

Theoretical Substantiation of the Design of a Seeding Device for Differentiated Intra Soil Application of Mineral Fertilizers