Journal of Ecology and Rural Environment ›› 1986, Vol. 2 ›› Issue (2): 1-4.doi:

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A preliminary approach on the regionalization of agroecological types in plain of Songhua and Nen Rivers

LI  Chun-Te   

  • Received:1985-02-24 Online:1986-05-10 Published:2012-07-04