Jakelaitis, Adriano, Antonio Alberto da Silva, José Barbosa dos Santos, and Rafael Vivian. 2008. “QUALITY OF SOIL SURFACE LAYER UNDER FOREST, PASTURE AND CROPPED AREAS”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics] 38 (2): 118-27. https://doi.org/10.5216/pat.v38i2.4171.