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Field Survey Summary Tables – Taber County
123
Table 137. 2009 irrigated barley in Taber County (18 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Wild oats
66.7
18.6
27.9
2.3
3.5
10.0
77.6
2
Kochia
61.1
17.5
28.6
2.6
4.3
14.6
76.8
3
Green foxtail
11.1
5.8
52.5
1.6
14.5
28.8
30.3
4
Alfalfa
11.1
5.3
47.5
1.2
10.9
19.2
25.1
5
Canada thistle
38.9
3.9
10.0
0.4
1.1
2.2
24.2
6
White mustard
5.6
3.3
60.0
0.5
9.4
9.4
12.8
7
Canola (Argentine)
11.1
3.3
30.0
0.2
2.1
2.2
11.6
8
Wild buckwheat
16.7
1.4
8.3
0.1
0.5
0.8
9.0
9
Lamb's-quarters
16.7
1.4
8.3
0.1
0.5
0.8
9.0
10
Redroot pigweed
11.1
1.1
10.0
0.1
0.6
1.0
6.4
11
Round-leaved mallow
11.1
0.8
7.5
0.1
0.5
0.6
5.8
12
Sunflower species
5.6
0.6
10.0
< 0.1
0.8
0.8
3.3
13
Perennial sow-thistle
5.6
0.3
5.0
< 0.1
0.6
0.6
2.8
14
Dandelion
5.6
0.3
5.0
< 0.1
0.4
0.4
2.6
15
Quack grass
5.6
0.3
5.0
< 0.1
0.4
0.4
2.6
Table 138. 2009 irrigated broad-leaved annual crops in Taber County (56 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Kochia
23.2
2.0
8.5
0.1
0.6
2.0
52.3
2
Canada thistle
7.1
0.8
11.3
0.2
2.3
7.0
30.4
3
Canola (Argentine)
10.7
1.3
12.5
0.1
0.5
1.0
27.1
4
Lamb's-quarters
7.1
1.2
16.3
0.1
0.9
1.6
22.6
5
Wheat
1.8
0.6
35.0
0.1
8.0
8.0
21.7
6
Redroot pigweed
7.1
0.9
12.5
0.1
0.7
2.2
19.3
7
Wild oats
7.1
0.8
11.3
< 0.1
0.5
0.6
17.1
8
Barnyard grass
1.8
0.9
50.0
0.1
3.2
3.2
15.0
9
Wild buckwheat
7.1
0.5
7.5
< 0.1
0.3
0.4
13.4
10
Sunflower species
3.6
0.5
15.0
< 0.1
1.3
1.6
12.6
11
Round-leaved mallow
3.6
0.4
10.0
< 0.1
0.7
0.8
8.9
12
Dandelion
3.6
0.4
10.0
< 0.1
0.5
0.8
8.2
13
Field bindweed
1.8
0.3
15.0
< 0.1
1.6
1.6
6.9
14
Purslane
1.8
0.3
15.0
< 0.1
1.4
1.4
6.5
15
Common groundsel
1.8
0.3
15.0
< 0.1
0.8
0.8
5.4
16
Alfalfa
1.8
0.3
15.0
< 0.1
0.6
0.6
5.0
17
Downy brome
1.8
0.1
5.0
< 0.1
1.2
1.2
4.7
18
Showy milkweed
1.8
0.2
10.0
< 0.1
0.8
0.8
4.6
19
Foxtail barley
1.8
0.1
5.0
< 0.1
1.0
1.0
4.3
20
Flixweed
1.8
0.1
5.0
< 0.1
0.2
0.2
2.8
21
Green foxtail
1.8
0.1
5.0
< 0.1
0.2
0.2
2.8
22
Goat's-beard
1.8
0.1
5.0
< 0.1
0.2
0.2
2.8
23
Quack grass
1.8
0.1
5.0
< 0.1
0.2
0.2
2.8
24
Stinkweed
1.8
0.1
5.0
< 0.1
0.2
0.2
2.8