机译:中国西南丘陵区紫色土壤的技术效率及其决定因素
Key Laboratory of Surface Process and Environment Remote Sensing in the Three Gorges Reservoir Area, College of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China;
Key Laboratory of Arable Land Conservation(Southwest China), Ministry of Agriculture, College of Resources and Environment, Southwest University, Chongqing 400715, China;
Key Laboratory of Surface Process and Environment Remote Sensing in the Three Gorges Reservoir Area, College of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China;
Academy of Agricultural Sciences, Chongqing 401329, China;