Watanabe, R.T. et al. 2005. Soybean yield under different density of populations and cations percentage (Ca, Mg and K) in base saturation. Semina: Ciências Agrárias. 26, 4 (Jun. 2005), 477–484. DOI:https://doi.org/10.5433/1679-0359.2005v26n4p477.