Ronaldo de Macedo, J. et al. 1998. Variability of some physical, chemical and physico-hydrical characteristics in Red Yellow Podzolic soils from Seropédica, RJ. Pesquisa Agropecuaria Brasileira. 33, 12 (Dec. 1998), 2043–2053. DOI:https://doi.org/10.1590/S1678-3921.pab1998.v33.5028.