Gutierrez, R. S., Inocêncio, M. F., & Novelino, J. O. (2011). EXTRACTION OF SILICON IN SOILS FERTILIZED WITH PHOSPHATE AND SILICATE. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], 41(1), 1–7. Retrieved from https://revistas.ufg.br/pat/article/view/8316