Andrade MG de, Lima AST de, Melo WJ de, Santos EJ dos, Herrmann AB. Trace elements in two Oxisols after annual application of sewage sludge for thirteen years. Semina: Ciênc. Agrár. [Internet]. 2014 Feb. 26 [cited 2026 Mar. 3];35(1):135-48. Available from: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/12852