Complex biopreparation for maintaining natural fertility in agrophytocenoses Elena Kuzina, Gulnaz Rafikova, Svetlana Mukhamatdyarova, Milyausha Iskuzhina and Tatyana Korshunova BIO Web Conf., 95 (2024) 01020 Published online: 27 March 2024 DOI: 10.1051/bioconf/20249501020