Andrade, Andreia Patricia, et al. “CHEMICAL AND PHYSICAL FRACTIONATION OF THE ORGANIC MATTER OF A CAMBISOL AFTER 21 YEARS UNDER DIFFERENT PREPARATIONS”. BRAZILIAN JOURNAL OF AGRICULTURE - Revista De Agricultura, vol. 95, nº 1, abril de 2020, p. 1-12, doi:10.37856/bja.v95i1.3533.