Effect of “Bist” and “Bist-M” biopreparations on quality and productivity of wheat and cotton yields in agro-ecological zones of UzbekistanHolida Ruzimova, Ulugkhoja Rakhmatov and Shakhribonu KadyrovaE3S Web Conf., 421 (2023) 04012DOI: https://doi.org/10.1051/e3sconf/202342104012