CHU Qing-He, DING Yong-Qi, GUO Chang-Lian, et al. AGRICULTURAL DEVELOPMENT STRATEGY AND THE FUNCTION EVALUATION OF ECOSYSTEM IN YOUYU COUNTY, SHANXI, SINCE THE FOUNDING OF P. R. C[J]. Journal of Ecology and Rural Environment, 1992, 8(4): 20-24.
    Citation: CHU Qing-He, DING Yong-Qi, GUO Chang-Lian, et al. AGRICULTURAL DEVELOPMENT STRATEGY AND THE FUNCTION EVALUATION OF ECOSYSTEM IN YOUYU COUNTY, SHANXI, SINCE THE FOUNDING OF P. R. C[J]. Journal of Ecology and Rural Environment, 1992, 8(4): 20-24.
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    AGRICULTURAL DEVELOPMENT STRATEGY AND THE FUNCTION EVALUATION OF ECOSYSTEM IN YOUYU COUNTY, SHANXI, SINCE THE FOUNDING OF P. R. C

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    • Agricultural development strategy of Youyu County was analysed with the principal components analysis in this paper, productivity and stability of agroecosystem were evaluated. Results showed that ecological and eco nomic efficiency were good.
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