SARAUER, J. L.; COLEMAN, M. D. Douglas-fir seedling quality in biochar-amended peat substrates. REFORESTA, [S. l.], n. 7, p. 1-14, 2019. DOI: 10.21750/REFOR.7.01.63. Disponível em: https://journal.reforestationchallenges.org/index.php/REFOR/article/view/82. Acesso em: 24 sep. 2020.