MACKAY, A.; COSTALL, D. Long-term changes in soil fertility in hill country. NZGA: Research and Practice Series, [S. l.], v. 16, p. 157–161, 2016. DOI: 10.33584/rps.16.2016.3271. Disponível em: https://www.nzgajournal.org.nz/index.php/rps/article/view/3271. Acesso em: 7 jun. 2026.