Study of hydrogel application as an innovation in water conservation to increase productivity of water and land resources in Central TajikistanSh Ya Pulatov, Ya E. Pulatov, B. Sh Matyakubov and G. RazakovaE3S Web Conf., 563 (2024) 03054DOI: https://doi.org/10.1051/e3sconf/202456303054