Fregonezi, G. A. de F., & Espindola, C. R. (2008). Crop profile method in the identification of transformations in soil attributes by agricultural useCrop profile method in the identification of transformations in soil attributes by agricultural use. Semina: Ciências Agrárias, 29(3), 485–498. https://doi.org/10.5433/1679-0359.2008v29n3p485