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Emergy Analysis of Protected Grape Production System in China
Abstract:
This paper evaluated the energy and emergy characters and indicators of the protected grape production system in the five major producing areas in China based on the emergy analysis. The research results indicate that the total emergy input in the Northwest region is the largest. The protected cultivation in all the five regions is heavily dependent on the purchased resource and nonrenewable resource emergy. The Southwest region is found to have the lowest environmental pressure and the highest sustainability.
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3938-3942
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Online since:
August 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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