Senger, Clóvis Cleno Diesel, Luis Maria Bonnecarrére Sanchez, Maria Beatriz Gonçalves Pires, and João Kaminski. “Mineral Content of the Natural Range in Southern Brazil. I. Calcium, Phosphorus, Magnesium and Potassium”. Pesquisa Agropecuaria Brasileira 31, no. 12 (December 1, 1996): 897–904. Accessed March 6, 2026. https://apct.sede.embrapa.br/pab/article/view/4564.