TY - Acta Geographica Sinica A1 - YIN Peihong, FANG Xiuqi, TIAN Qing, MA Yuling T1 - Distribution and Regional Difference of Main Output Regions in Grain Production in China in the Early 21st Century Y1 - 2006-02-25 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 190 EP - 198 VL - 61 IS - 2 UR - {https://www.geog.com.cn/EN/10.11821/xb200602008} N1 - 10.11821/xb200602008 ER -