Altarugio, Lucas Miguel, et al. “Yield Performance of Soybean and Corn Subjected to Magnesium Foliar Spray”. Pesquisa Agropecuaria Brasileira, vol. 52, no. 12, Dec. 2017, pp. 1185-91, doi:10.1590/S1678-3921.pab2017.v52.24764.