五十年代以来我国粮食生产地域格局变化趋势及原因初探
TRENDS AND BASIC CAUSES OF THE REGIONAL PATTERN CHANGES IN CHINA’S GRAIN PRODUCTION SINCE 1950’S
地理科学进展
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1997, (1): 31
-36
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DOI: 10.11820/dlkxjz.1997.01.006
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