Domingos, C. da S., M. E. Neto, M. Renan Besen, Éder J. de Oliveira Zampar, M. A. Batista, C. A. Scapim, T. T. Inoue, and A. L. Braccini. “Foliar Applications of Phosphorus, Calcium, Boron and Potassium and Their Impacts on the Seed Yield and Physiological and Nutritional Qualities of Soybean”. Emirates Journal of Food and Agriculture, Vol. 31, no. 8, Oct. 2019, pp. 626-34, doi:https://doi.org/10.9755/ejfa.2019.v31.i8.1995. Accessed 21 Sept. 2021.