[1] |
.
[J]. Journal of Northern Agriculture, 1998, (S1): 208-208.
|
[2] |
.
[J]. Journal of Northern Agriculture, 1996, (4): 16-16.
|
[3] |
.
[J]. Journal of Northern Agriculture, 1995, (5): 5-5.
|
[4] |
.
[J]. Journal of Northern Agriculture, 1995, (4): 14-14.
|
[5] |
.
[J]. Journal of Northern Agriculture, 1995, (1): 24-24.
|
[6] |
.
[J]. Journal of Northern Agriculture, 1994, (6): 10-10.
|
[7] |
.
[J]. Journal of Northern Agriculture, 1994, (6): 8-8.
|
[8] |
.
[J]. Journal of Northern Agriculture, 1994, (3): 19-19.
|
[9] |
.
[J]. Journal of Northern Agriculture, 1994, (2): 19-19.
|
[10] |
.
[J]. Journal of Northern Agriculture, 1993, (3): 7-7.
|
[11] |
.
[J]. Journal of Northern Agriculture, 1992, (4): 18-18.
|
[12] |
.
[J]. Journal of Northern Agriculture, 1992, (3): 9-9.
|
[13] |
.
[J]. Journal of Northern Agriculture, 1992, (1): 16-16.
|
[14] |
.
[J]. Journal of Northern Agriculture, 1991, (1): 11-11.
|