PECULIARITIES OF SCIENTIFIC SCHOOLS’ ACTIVITY DIRECTIONS TO IMPROVE AGROECOSYSTEMS IN FOREST-STEPPE OF UKRAINE (SECOND HALF OF THE XIXth – BEGINNING OF THE XXIst CENTURIES)

Yeshchenko described the effective field crop rotations of various economic directions in agroeconomic terms. His students made a significant contribution to the development of effective agroecosystems: V. P. Opryshko has developed crop rotations with optimum saturation of grain crops; S. P. Koval’, A. V. Novak have worked out a wide range of effective precursors for oilseeds and rapeseed; M. V. Kaliievskii has determined the rational basic tillage of soil under oilseed flax; S. V. Usik has scientifically grounded crops alternation in crop rotations with short-term rotation. measures in crop rotations of the Right- Bank Forest-Steppe of Ukraine. agroecosystems of ownership; formation of the integrated weeding control system for crops in different agroecosystems; application of modern adaptive farming systems: industrial, ecological, biological, soil protection and No-till farming system.