Chicati, Marcelo Luiz, Marcos Rafael Nanni, and Everson Cézar. 2011. “Determination of Spatial Variability of Aluminum According to the Clay Distribution in Soils of Querência Do Norte Paraná State, Brazil”. Semina: Ciências Agrárias 32 (4):1335-44. https://doi.org/10.5433/1679-0359.2011v32n4p1335.