SINGH, Surender; CHANDEL, A S; SAXENA, S C. Effect of phosphorus on total biomass, grain yield and nitrogen uptake in soybean (Glycine max). The Indian Journal of Agricultural Sciences, Delhi, India, v. 65, n. 6, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/18859. Acesso em: 29 oct. 2025.