Justification of an effective method of potatoes harvesting Т. S. Baybulatov, B. I. Khamkhoev, К. М. Uzhakhov and A. Kh. Tsechoeva E3S Web Conf., 285 (2021) 07031 Published online: 06 July 2021 DOI: 10.1051/e3sconf/202128507031