Arableland相关论文
Based on the land use/cover maps in 2000 and 2010,the characteristics of spatial change and its driving factors about Be......
耕地复种指数是耕地利用集约程度的一个量化指标。基于1978~2007年统计资料,对西南地区耕地面积、农作物总播种面积、粮食播种面积和......