作者: Jieyong Wang , Yansui Liu , Zhigao Liu
DOI: 10.3390/RS5115642
关键词: Sustainability 、 Land use 、 Land cover 、 Food security 、 Geography 、 Agroforestry 、 Environmental degradation 、 China 、 Geographic information system 、 Productivity
摘要: … To adjust the agricultural structure and enhance the economic income, many households planted jujube and apple trees on the suitable cropland with a slope less than 15, but they also …