THE BICHEL COMMITTEE |
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Table 6.1 |
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| Loss 1, avg. | Loss 2, avg. | Loss 3, avg. | Loss 4, avg. | Loss 5, avg. | Total avg. Loss | Average maximum loss |
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| Postponed sowing, etc. | Disease attack | Pest attack | Crop damage | Weed increase | Multi- plication |
1 factor gives max. |
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| Wheat, 1 year, sand | 8 | 7 | 2 | 7 | 6 | 27 | 45 |
| Wheat, 1 year, clay | 7 | 9 | 4 | 7 | 6 | 29 | 50 |
| Wheat, 2 year, sand | 9 | 7 | 5 | 7 | 6 | 30 | 68 |
| wheat, 2 year, clay | 7 | 7 | 4 | 7 | 6 | 27 | 43 |
| Spring barley, sandy soil | - | 7 | 3 | 1 | 7 | 17 | 33 |
| Spring barley, clay soil | - | 6 | 6 | 1 | 7 | 19 | 30 |
| Winter barley, sand | 7 | 11 | 0 | 3 | 3 | 22 | 32 |
| Winter barley, clay | 7 | 10 | 0 | 3 | 3 | 21 | 28 |
| Winter rye | 3 | 4 | 3 | 1 | 2 | 12 | 28 |
| Peas | - | 2 | 9 | 5 | 7 | 21 | 26 |
| Winter rape | - | 2 | 5 | 0 | 0 | 7 | 26 |
| Spring rape | - | 2 | 17 | 0 | 5 | 23 | 48 |
| Sugar beet | - | 2 | 12 | 0 | 0 | 14 | 22 |
| Fodder beet | - | 2 | 12 | 0 | 0 | 14 | 22 |
| Clover seed | - | 0 | 50 | 0 | 50 | 75 | 100 |
| Seed grass | - | 1 | 0 | ? | 50 | 50 | 100 |
| Potatoes | - | 38 | 6 | 0 | 0 | 42 | 100 |
| Wholecrop | - | 3 | 2 | 1 | 8 | 13 | 16 |
| Grass | - | 0 | 0 | 0? | ? | 3 | 4 |
| Oats | - | 5 | 3 | 1 | 8 | 16 | 25 |
| Maize | - | 0 | 3 | 5 | 8 | 16 | 16 |
| Estimated loss percentages resulting from pests, etc., in different crops in the 0-scenario. Only direct yield losses have been included. Losses due to the increased costs of weeding are not included in this table. |