NAYDYONOVA, O.E. Influence of the biological preparation optimize 200 on the ecological state of soil in the root zone of soybeen plants in the conditions of organic farming. AgroChemistry and Soil Science, [S. l.], v. 84, p. 95–100, 2015. DOI: 10.31073/. Disponível em: https://agrochemsoilsci.org/index.php/journal/article/view/189.. Acesso em: 30 jun. 2026.