Secondary plant metabolites as promising pesticides for increasing crop yields Salokhiddin Zakirov, Nodirbek Atamirzaev, Zulfiya Mukhidova and Rikhsivoy Ziyaev E3S Web Conf., 244 (2021) 02031 Published online: 19 March 2021 DOI: 10.1051/e3sconf/202124402031