KIONI, Francis; GICHUHI, Emily; KARIUKI, Solomon; NDUATI, Eunice. Rice Canopy Nitrogen Content Estimation Using UAV and XGBoost. Engineering, Technology & Applied Science Research, Greece, v. 16, n. 3, p. 37111–37118, 2026. DOI: 10.48084/etasr.15820. Disponível em: https://mail.etasr.com/index.php/ETASR/article/view/15820. Acesso em: 8 jun. 2026.