Claudia Liane Rodigues de Lima, Rodrigo Brum de Paiva, Maria Cândida Moitinho Nunes, Ivana Kruger Tuchtenhagen and Clenio Naito Pillon 2018. Critical values of physical attributes of an Ultisol under uses in South of Brazil. Brazilian Journal of Agricultural Sciences. 13, 2 (Jun. 2018), 1-9. DOI:https://doi.org/10.5039/agraria.v13i2a5529.