1998-2012年中国耕地复种指数时空差异及动因

谢花林, 刘桂英

Spatiotemporal difference and determinants of multiplecropping index in China during 1998-2012

Hualin XIE, Guiying LIU

地理学报 . 2015, (4): 604 -614 . DOI: 10.11821/dlxb201504008