Melo-Filho, José Sebastião de, et al. “Salt Water and Silicon Application on Growth, Chloroplastid Pigments, Chlorophyll Fluorescence and Beet Production”. Revista Colombiana De Ciencias Hortícolas, vol. 13, no. 3, Sept. 2019, pp. 406-15, doi:10.17584/rcch.2019v13i3.8489.