Efficiency of agrotechnical and chemical measures in control of weeds in onion (Allium cepa L.) fieldsShukhrat Rizaev, Kamolidin Sharifov, Sabir Sanayev, Sabirjan Isaev and Bobur KholmurzaevE3S Web Conf., 497 (2024) 03036DOI: https://doi.org/10.1051/e3sconf/202449703036