Spatial Differences and Trend of Emergy Input and Output Indices of Planting Eco-economic System in Major Grain Producing Area: A Case of Hebei Province
WANG Qian, JIN Xiao-bin, ZHOU Yin-kang
JOURNAL OF NATURAL RESOURCES ›› 2012, Vol. 27 ›› Issue (1) : 62-73.
Spatial Differences and Trend of Emergy Input and Output Indices of Planting Eco-economic System in Major Grain Producing Area: A Case of Hebei Province
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