Ruivo M de LP, Barros NF de, Schaefer CEGR. Relationships of soil microbial biomass with the chemical characteristics of organic and mineral soil fractions after mineral exploration in Eastern Brazilian Amazon. bcnaturais [Internet]. 2006 Mar. 31 [cited 2025 Oct. 5];1(2):121-3. Available from: https://boletimcn.museu-goeldi.br/bcnaturais/article/view/747