Bird Use and Nesting in Conventional,
Minimum-tillage, and Organic Cropland
Table 6
Table 6:Density of nests/10ha on conventional, minumum-tillage, and organic fields fallow, sunflower, and wheat in southeast North Dakota, 1992-93.
| Nest densitya | SE | |
| Field type | ||
| Conventional | 0.5AB | 0.02 |
| Minimum-tillage | 1.2A | 0.03 |
| Organic | 1.0B | 0.02 |
| Crop type | ||
| Fallow | 1.5CD | 0.04 |
| Sunflower | 0.5C | 0.02 |
| Wheat | 0.6D | 0.01 |
| aNumbers in a column followed by the same letter differ (P ≤ 0.05). | ||
Previous Section -- Table 5
Return to Contents
Next Section -- Table 7
