The effect of biostimulants on Solanum tuberosum L. variety “Zakhar” in arid conditions of Orenburg Cis-UralsAlexander Mushinskiy, Aliya Saudabaeva and Tatyana VasilyevaE3S Web Conf., 431 (2023) 01032DOI: https://doi.org/10.1051/e3sconf/202343101032