Analysis and Calculation of Ecological Efficiency in Agro ecological Engineering.

Bian Yousheng (Beijing Municipal Research Academy of Environmental Protection,BEIJING 100037):  

The importance of analysis and calculation of ecological efficiency in agro ecological engineering was described systematically. The function of ecological efficiency analysis and calculation on the increasing of productivity was discussed. Beijing Liuminying agro ecological engineering was taken as a case study for the introduction of the analysis and the calculation methods.

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