| [1] |
.
[J]. Journal of Northern Agriculture, 2013, (3): 15-15.
|
| [2] |
.
Issues on Construction of the Network Agricultural Technology Extension System
[J]. Journal of Northern Agriculture, 2012, (4): 7-7.
|
| [3] |
.
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.
|
| [4] |
.
[J]. Journal of Northern Agriculture, 2010, (1): 93-93.
|
| [5] |
.
[J]. Journal of Northern Agriculture, 2010, (1): 16-16.
|
| [6] |
.
[J]. Journal of Northern Agriculture, 2009, (6): 97-97.
|
| [7] |
.
[J]. Journal of Northern Agriculture, 2008, (6): 103-103.
|
| [8] |
.
[J]. Journal of Northern Agriculture, 2003, (F12): 13-13.
|
| [9] |
.
[J]. Journal of Northern Agriculture, 2000, (S1): 127-127.
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