| |||
| changes to other varieties; switching to different varieties; varietal conversion; changing to different varieties; conversion to different varieties | |||
|
Sortenumstellung : 1 phrase in 1 subject |
| Agriculture | 1 |
| |||
| changes to other varieties; switching to different varieties; varietal conversion; changing to different varieties; conversion to different varieties | |||
|
Sortenumstellung : 1 phrase in 1 subject |
| Agriculture | 1 |