Chicati, Marcelo Luiz, Marcos Rafael Nanni, and Everson Cézar. “Determination of Spatial Variability of Aluminum According to the Clay Distribution in Soils of Querência Do Norte Paraná State, Brazil”. Semina: Ciências Agrárias 32, no. 4 (October 14, 2011): 1335–1344. Accessed June 10, 2026. https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/5023.