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Field Survey Summary Tables – Taber County
121
Table 134. 2009 irrigated annual crops in Taber County (126 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Wild oats
28.6
6.8
23.8
1.1
3.9
33.6
66.1
2
Kochia
38.9
5.9
15.1
0.7
1.7
14.6
57.3
3
Wild buckwheat
20.6
4.4
21.2
0.3
1.7
12.4
34.1
4
Canola (Argentine)
11.1
2.3
21.1
0.3
2.3
21.4
20.1
5
Green foxtail
7.9
2.0
25.0
0.3
4.0
28.8
18.9
6
Canada thistle
15.1
1.4
9.2
0.2
1.1
7.0
16.8
7
Alfalfa
4.0
1.5
39.0
0.3
6.3
19.2
13.6
8
Redroot pigweed
9.5
1.4
15.0
0.1
1.2
7.6
12.6
9
Round-leaved mallow
9.5
1.3
13.3
0.1
0.9
2.2
11.4
10
Foxtail barley
4.0
0.3
8.0
0.1
3.7
15.0
7.0
11
Lamb's-quarters
6.3
0.8
11.9
< 0.1
0.7
1.6
6.9
12
Dandelion
4.8
0.6
12.5
< 0.1
0.6
1.2
5.3
13
White mustard
0.8
0.5
60.0
0.1
9.4
9.4
3.9
14
Wheat
1.6
0.3
20.0
0.1
4.3
8.0
3.6
15
Sunflower species
2.4
0.3
13.3
< 0.1
1.1
1.6
3.0
16
Field bindweed
3.2
0.2
7.5
< 0.1
0.6
1.6
3.0
17
Barnyard grass
0.8
0.4
50.0
< 0.1
3.2
3.2
2.3
18
Spiny annual sow-thistle
0.8
0.3
40.0
< 0.1
3.6
3.6
2.2
19
Showy milkweed
1.6
0.1
7.5
< 0.1
0.7
0.8
1.5
20
Broad-leaved plantain
0.8
0.2
25.0
< 0.1
2.2
2.2
1.5
21
Perennial sow-thistle
1.6
0.1
7.5
< 0.1
0.5
0.6
1.5
22
Quack grass
1.6
0.1
5.0
< 0.1
0.3
0.4
1.2
23
Flixweed
1.6
0.1
5.0
< 0.1
0.2
0.2
1.2
24
Purslane
0.8
0.1
15.0
< 0.1
1.4
1.4
1.1
25
Common groundsel
0.8
0.1
15.0
< 0.1
0.8
0.8
1.0
26
Timothy
0.8
0.1
10.0
< 0.1
0.6
0.6
0.8
27
Downy brome
0.8
< 0.1
5.0
< 0.1
1.2
1.2
0.8
28
Goat's-beard
0.8
< 0.1
5.0
< 0.1
0.2
0.2
0.6
29
Stinkweed
0.8
< 0.1
5.0
< 0.1
0.2
0.2
0.6