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...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2018-11-01
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Series: | Sustainability |
Subjects: | |
Online Access: | https://www.mdpi.com/2071-1050/10/11/4308 |