四川道地药材的区位熵分析

Analysis on Sichuan Geo-herbs of Local Medicinal Material Quotient

通过数据资料计算得出2001-2011年四川省成都、南充和广元的药材产量和种植面积区位熵系数大部分在1以上，反映出3所城市药材产业集中度较高。四川省在产业布局时也应突出这种特色，扩大3所城市中药材种植面积，集聚规模效益，让四川不仅是中药材大省，也成为中药材强省。

Data calculated from 2001 to 2011 in Siehuan Province, Chengdu, Nanchong and Guangyuan herbs production and acreage of location quotient index most of the more than 1, reflects the three cities herbs industrial concentration. Siehuan Province in the industrial layout should also be prominent features to expand the three cities in planting area, agglomeration economies of scale. Siehuan province is not only a big. herbal medicinal province, but also a powerful province of local medicinal material.