RAZUMENKO, J. L. Differentiation of the content of chlorophyll, nitrogen and phosphorus in soybean leaves of different tiers. AgroChemistry and Soil Science, [S. l.], v. 91, p. 72–78, 2021. DOI: 10.31073/acss91-09. Disponível em: https://agrochemsoilsci.org/index.php/journal/article/view/64.. Acesso em: 16 jul. 2026.