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Welcome to Chinese Agricultural Science Bulletin,
CASB

Chinese Agricultural Science Bulletin ›› 2009, Vol. 25 ›› Issue (21): 367-370.

Special Issue: 农业地理； 耕地保护

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  • Received:2008-12-26 Revised:2009-07-17 Online:2009-11-05 Published:2009-11-05