Evaluation of Physical and Economic Water-Saving Efficiency for Virtual Water Flows Related to Inter-Regional Crop Trade in China

If products were traded from regions with relatively high water productivity to regions with relatively low water productivity, water saving could be achieved. In this study, two indices—physical water-saving efficiency (volume of water savings per cubic meter of virtual water flows) and e...

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Bibliographic Details
Main Authors: Jing Liu, Yu Zhang, Zhongbo Yu
Format: Article
Language:English
Published: MDPI AG 2018-11-01
Series:Sustainability
Subjects:
Online Access:https://www.mdpi.com/2071-1050/10/11/4308