Journal of Irrigation and Drainage 1987 Issue 3 huan jie hua bei di qu nong ye yong shui jin que dui ce de tan tao

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Journal of Irrigation and Drainage
1672-3317
1987 Issue 3

huan jie hua bei di qu nong ye yong shui jin que dui ce de tan tao
The North China Water Resource Research Team of the Chinese Academy cf Agricultural Sciences

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