MORTON, J.; STAFFORD, A.; GILLINGHAM, A.; OLD, A.; KNOWLES, O. The development of variable rate application of fertiliser from a fixed wing topdressing aircraft. NZGA: Research and Practice Series, [S. l.], v. 16, p. 163–167, 2016. DOI: 10.33584/rps.16.2016.3247. Disponível em: https://www.nzgajournal.org.nz/index.php/rps/article/view/3247. Acesso em: 18 apr. 2026.