The use of direct sowing seeders, the sections of which consist of modules for local loosening of the soil and sowing, is most appropriate when growing grain crops. During the operation of the seeder, the wavy disk provides a strip grinding of the soil, in which the coulter system lays seeds. When preparing the soil for sowing, the degree of use of the total specific energy costs is about 16%. Therefore, significant savings in energy costs to produce crop production can be achieved by reducing the specific traction resistance of the working bodies of agricultural machines. When cultivating the soil, its individual particles or layers under the influence of a wavy tillage disk move in space, change their mutual location and the soil passes into another physical state. Its geometric shape has a very significant influence on the magnitude and direction of the forces of interaction between the soil and the tillage disk. The form of the tillage wavy disk is justified, the influence of the parameters of the experimental tillage disk on the energy indicators of its operation is determined.

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