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Evaluating Sustainability of Cropland Use in Yuanzhou County of the Loess Plateau, China Using an Emergy-Based Ecological Footprint
- Xiaomei Bai,
- Zhongming Wen,
- Shaoshan An,
- Bicheng Li
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- Published: March 4, 2015
- https://doi.org/10.1371/journal.pone.0118282