Spatial variability of soil fertility under agroforestry system and native forest in eastern Amazonia, Brazil. Bioscience Journal [online], 2023. [online], vol. 39, pp. e39015. [Accessed17 December 2025]. DOI 10.14393/BJ-v39n0a2023-62830. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/62830.