价格支持政策改革背景下中国玉米市场空间关联 |
丁存振 |
Spatial correlation of corn markets under the background of price support policy reform in China |
DING Cunzhen |
图3 2005—2018年实施玉米支持政策的4个省份市场关联图 注:图中虚线表示临时收储政策实施时期。 |
Fig. 3 Spatial correlation of corn markets in provinces with price support policy from 2005 to 2018 |