Work quality indicators tillage unit with application flexible working body in systems “Organic farming”Yuri Syromyatnikov, Nikita Khramov, Irina Troyanovskaya, Sergey Voinash, Svetlana Partko and Ramil ZagidullinE3S Web of Conf., 463 (2023) 01001DOI: https://doi.org/10.1051/e3sconf/202346301001