Increasing the efficiency of use of wheeled harrow units in regions of risk farmingA. E. Slepenkov, E. S. Polikutina, S. V. Shchitov, E. E. Kuznetsov and Z. F. KrivutsaE3S Web Conf., 262 (2021) 01003DOI: https://doi.org/10.1051/e3sconf/202126201003