Agrochemical efficiency of slow release phosphate fertilizers derived on the base of phosphorite activationSanjarbek Shamuratov, Umid Baltaev, Olga Myachina, Umarbek Alimov, Elyor Atashev and Tokhir KuramboevE3S Web Conf., 434 (2023) 03014DOI: https://doi.org/10.1051/e3sconf/202343403014