北方农牧交错带种植业能值分析
——以武川县为例
李春阳,秦红灵,陈源泉,高旺盛
Emergy analysis of cropping planting system based on farmers level
A case of WuChuan County
Li Chunyang, Qin Hongling, ChenYuanquan, Gao Wangsheng
中国农学通报
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2006, (10): 346
-346
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DOI: 10.11924/j.issn.1000-6850.0610346
