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中国生态退耕重要阶段耕地面积时空变化分析
王秀红 申建秀
Spatio-temporal Changes in Cropland Area During Important Period of the Grain-for-Green Policy in China
中国农学通报 . 2013, (29): 133 -137 .  DOI: 10.11924/j.issn.1000-6850.2012-3966