Emergy Analysis on Orchard Systems Under Different Tillage Patterns

ZHONG Zhen-mei; WENG Bo-qi; YING Chao-yang; LUO Xu-hui; LI Zhen-wu

doi:10.19303/j.issn.1008-0384.2013.11.004

Volume 28 Issue 11

Nov. 2013

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ZHONG Zhen-mei, WENG Bo-qi, YING Chao-yang, LUO Xu-hui, LI Zhen-wu. Emergy Analysis on Orchard Systems Under Different Tillage Patterns[J]. Fujian Journal of Agricultural Sciences, 2013, 28(11): 1083-1087. doi: 10.19303/j.issn.1008-0384.2013.11.004

Citation:

ZHONG Zhen-mei, WENG Bo-qi, YING Chao-yang, LUO Xu-hui, LI Zhen-wu. Emergy Analysis on Orchard Systems Under Different Tillage Patterns[J]. Fujian Journal of Agricultural Sciences, 2013, 28(11): 1083-1087. doi: 10.19303/j.issn.1008-0384.2013.11.004

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Emergy Analysis on Orchard Systems Under Different Tillage Patterns

doi: 10.19303/j.issn.1008-0384.2013.11.004

Institute of Agricultural Ecology Fujian Academy of Agricultural Sciences/Fujian Engineering and Technology Research Center for Hilly Prataculture/Fuzhou Scientific Observing and Experimental Station of Agro-Environment Ministry of Agriculture

Received Date: 2013-09-15
Publish Date: 2013-11-18

Abstract

Abstract

Emergy analysis is an important method to current energy research and systematic sustainability assessment, which characterizes all products and services in equivalents of solar emergy.In this paper, emergy flows, emergy input and output, and emergy index (EIR, EYR, ELR, EST) of three orchard systems were characterized by emergy analysis.Our results showed that the largest energy flows in all systems is associated with labor, FCMP fertilizer and sunlight.In addition, 66.3%-73.9% of the total emergy inputs to the orchard system was economic resources.In the end, our results suggest that the terracing orchard system has the lowest environmental loading ratio (ELR) due to the reduced soil erosion and the highest emergy sustainability Index (ESI) , for it is based on the 100%living mulch compared to the other two clean tillage systems.
- Emergy,
- Orchard systems,
- Tillage patterns of orchard,
- Environmental loading ratio,
- Emergy sustainability index

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References(10)

References

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