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Bird Use and Nesting in Conventional,
Minimum-tillage, and Organic Cropland

Table 2

Table 2: Back-transformed mean density of birds/10 ha on conventional, minimum-tillage, and organic fields in fallow, sunflower, and wheat during spring, fall and winter in southeastern North Dakota, 1991-93.

Season Crop	Conventional	Min-till	Organic	Mean
Spring^a
Fallow	12	22ABC	2A	12
Sunflower	15	1B	15	1
Wheat	3	3C	4	3
Mean	1	9	7
Fall
Fallow	11	17	13	14
Sunflower	42	11	12	22
Wheat	4	5	11	7
Mean	19	11	12
Winter
Fallow	3	3	3	3
Sunflower	2	1	6	3
Wheat	1	2	2	2
Mean	2	2	4
^aNumbers in a row or a column followed by the same letter differ within season <P ≤ 0.05).

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Bird Use and Nesting in Conventional, Minimum-tillage, and Organic Cropland

Table 2

Bird Use and Nesting in Conventional,
Minimum-tillage, and Organic Cropland