Optimization of UAV Hyperspectral Retrieval of Soil Copper (Cu) Content Using NRBO-XGBoost
Zou Zhiqi, Dun Limin, Wang Jingli, Tang Yulan
Ecology and Environmental Sciences . 2026, (9): 1483 -1494 .  DOI: 10.16258/j.cnki.1674-5906.2026.09.014