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Report from the Sub-committee on Agriculture |
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| Table 8.6 Table showing crop-rotation diseases/nematodes and the number of years that normally have to elapse before the crop is again grown on the land in question (Source: Godt Landmandskab år 2000 (Good Agricultural PracticeYear 2000)). |
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| Crop | Disease/pest | Also attacks | Resistant varieties | Number of years not cultivated |
| Wheat/rye | Take-all disease | Grain | No | 1 |
| Eyespot | Grain | Some in wheat | 2 | |
| Barley | Oat nematodes | Grain | Yes | 3 |
| Typhula | Rye | No | 3 | |
| Take-all disease | Grain | No | 1 | |
| Eyespot | Grain | No | 2 | |
| Oats | Oat nematodes | Grain | Yes | 3 |
| Beets | Beet nematodes | Cruciferous | No | 3 |
| Root rot | peas | No | 3 | |
| Potatoes | Potato nematodes | - | Yes | 3 |
| Common scab | Carrots | Some | 3 | |
| Black scurf | Grass, beets, Rape | No | 3 | |
| White/red clover | Stem nematodes | - | Some | 3 |
| Sclerotinia | Lucerne | Some | 3 | |
| Rape | Beet nematodes | Beets | No | 2-3 |
| Clubroot | No | 4 | ||
| Sclerotinia | Cruciferous peas etc. | No | 4 | |
| Peas | Root rot | Beets | No | 3-4 |
| Wilt | - | Some | 3-4 | |
| Sclerotinia | Rape etc. | No | 3-4 |