Studies on Agricultural Climatic Potential Productivity and Natural Resources Utilization Ratio in Songnen Plain of Heilongjiang Province
WANG Zong-ming 1,2 ,ZHANG Bai 1 ,ZHANG Shu-qing 1 , SONG Kai-shan 1 ,DUAN Hong-tao 1 (1.Northeast Institute of Geography and Agricultural Ecology,Chinese Academy of Sciences, Changchun130012,China;2.Graduate School of Chinese Academy of Sciences)
Chinese Journal of Agrometeorology . 2005, (01):  .