WINCKLER, Marcos Vinicius; MARQUES, Renato; SOARES, Ronaldo Viana; WATZLAWICK, Luciano Farinha. Index of efficiency of macronutrients in tree species in a mixed araucaria forest/Paraná State. Semina: Ciências Agrárias, [S. l.], v. 27, n. 3, p. 321–332, 2006. DOI: 10.5433/1679-0359.2006v27n3p321. Disponível em: https://www.ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2447. Acesso em: 12 mar. 2026.