| Year |
Grains/year |
Populus L. |
Salix L. |
||||||
| Grains |
% |
Grains |
% |
||||||
| Year |
Spring |
Year |
Spring |
Year |
Spring |
Year |
Spring |
||
| 1977-1978 |
18,491 |
3583 |
3572 |
19.38 |
37.06 |
3329 |
3326 |
18.00 |
34.51 |
| 2008-2009 |
17,192 |
2062 |
2062 |
11.99 |
28.79 |
543 |
543 |
3.16 |
7.02 |