RCTUnet2026RCTUnet：一种用于作物-残茬-土壤图像分割与秸秆覆盖度提取的深度学习模型（英文）李婷，刘杨，冯海宽，束美艳，杨浩，付元元，许鑫，林英豪，乔红波，郭伟，马新明，时雷，岳继博Journal of Zhejiang University-Science B