Carvalho-Zanão, Maristela Pereira, et al. “Gladiolus Production and Nutritional Status As a Function of Silicon Application to the Substrate”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 47, no. 2, July 2017, pp. 178-85, https://doi.org/10.5216/pat.v47i2.44683.