排灌机械工程学报
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Journal of Drainage and Irrigation Machinery Engin  2005, Vol. 23 Issue (3): 39-41    DOI: 10.3969/j.issn.1674-8530.2005.03.011
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Economics Benefit Analysis of the Crop under the Condition of Water Saving Irrigation
ZHENG Jie, ZHOU Shi-feng, WU Di-fei
Beijing University of Technology, Beijing 100022, China

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