|
1997 Sunflower Grower Survey of Pest Problems and Pesticide Use |
Table 66. Estimated sunflower yield loss due to bird damage in 1997.
| Bird damage; % yield loss | Kansas | Minnesota | North Dakota | South Dakota |
-- % of respondents -- |
||||
| 0-5 | 68.0 | 71.2 | 54.0 | 60.0 |
| 5-10 | 24.0 | 20.3 | 25.5 | 25.0 |
| 10-25 | 4.0 | 8.5 | 14.9 | 10.7 |
| 25-50 | 4.0 | 0 | 4.7 | 2.1 |
| 50-100 | 0 | 0 | 0.9 | 2.1 |