“十五”国家科技攻关计划(2004BA617B04);国家科技支撑项目(2006BAD10A06-03, 2006BAB15B05)
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Zhang Weiwei, Li Hong, Huo Xiaoni, SunDanfeng, Zhou Liandi. Agricultural land use intensity based on emergy analysis[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE),2009,25(7):204-210.