“…V.Sakun [24,31,33], V.Sharov [32], Ya.Lobachevsky [26][27][28][29][30][31][32][33], S.Zolotarev [25], L.Kaufman [37], D. Totten [37], F.Mamatov , I.Ergashev were engaged in the development and improvement of ploughs for smooth, rowless plowing and research to substantiate the parameters of their working bodies [1,5,11,23,27], N.Aldoshin [2,9,10,18,19], H.Ravshanov [3,4,5,19] and others.…”