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[J]. Journal of Northern Agriculture, 2013, (3): 15-15.
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Issues on Construction of the Network Agricultural Technology Extension System
[J]. Journal of Northern Agriculture, 2012, (4): 7-7.
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[J]. Journal of Northern Agriculture, 2011, (2): 90-90.
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Affect Factors of Improved Agricultural Sci-tech Extension Taking Technology Extension of Citrus Sparse Planting Instead of Close Planting in Shimen County as an Example
[J]. Journal of Northern Agriculture, 2010, (4): 3-3.
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[J]. Journal of Northern Agriculture, 2010, (1): 93-93.
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[J]. Journal of Northern Agriculture, 2010, (1): 16-16.
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[J]. Journal of Northern Agriculture, 2008, (6): 103-103.
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[J]. Journal of Northern Agriculture, 2003, (F12): 13-13.
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[J]. Journal of Northern Agriculture, 2000, (S1): 127-127.
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