[1]
Carvalho, O.S. et al. 1999. Temporal variability of chemical properties in a soil with three cultivation systems. Pesquisa Agropecuaria Brasileira. 34, 12 (Dec. 1999), 2299–2309. DOI:https://doi.org/10.1590/S1678-3921.pab1999.v34.5566.