“…Research on creation and application of machines for tillage and preparation of soil for seeding on ridges, study of their performance and justification of parameters, as well as study of processes of interaction of working bodies with soil were carried out by F.Mamatov [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16], [18][19][20][21][22][23], [28][29], B.Mirzaev [5][6][7][8][9][10][11][12], [14][15][16][17][18][19][20][21], [23], [28][29] U.Umurzakov [4,19], N.Aldoshin [3,10,11,19,20,…”