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| changes to other varieties; switching to different varieties; varietal conversion; changing to different varieties; conversion to different varieties | |||
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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 |