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Field Survey Summary Tables – Cardston County
102
Table 106. 2009 irrigated cereal crops in Cardston County (13 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Kochia
25.8
8.6
33.3
3.9
14.9
44.0
85.7
2
Field bindweed
32.0
10.0
31.2
0.9
2.8
6.0
51.6
3
Canada thistle
14.8
4.4
29.5
0.3
2.3
3.4
22.4
4
Foxtail barley
6.3
2.5
40.0
1.0
15.2
15.2
22.0
5
Annual sow-thistle
21.1
2.3
10.9
0.3
1.4
4.2
19.8
6
Dandelion
21.1
2.5
12.0
0.2
0.7
1.4
18.4
7
Stinkweed
8.6
3.4
40.0
0.3
3.8
3.8
16.9
8
Wild oats
17.2
1.3
7.5
0.2
0.9
1.6
13.6
9
Wild buckwheat
8.6
2.1
25.0
0.2
2.0
2.0
11.7
10
Wild mustard
8.6
1.7
20.0
0.1
0.8
0.8
9.2
11
Silky lupin
6.3
1.3
20.0
0.1
1.0
1.0
6.9
12
Lamb's-quarters
8.6
0.4
5.0
< 0.1
0.2
0.2
5.5
13
Wormseed mustard
8.6
0.4
5.0
< 0.1
0.2
0.2
5.5
14
Shepherd's-purse
8.6
0.4
5.0
< 0.1
0.2
0.2
5.5
15
Canola (Argentine)
8.6
0.4
5.0
< 0.1
0.2
0.2
5.5
Table 107. 2009 irrigated fields in Cypress County (23 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Dandelion
52.2
27.8
53.3
11.7
22.5
73.8
66.8
2
Wild buckwheat
52.2
22.2
42.5
3.1
5.9
25.6
38.0
3
Green foxtail
34.8
10.7
30.6
5.1
14.7
84.6
30.5
4
Lamb's-quarters
43.5
13.0
30.0
3.5
8.0
35.8
29.7
5
Redroot pigweed
21.7
10.2
47.0
3.8
17.4
52.4
23.6
6
Stinkweed
26.1
6.5
25.0
3.2
12.4
41.4
19.9
7
Kochia
17.4
6.1
35.0
2.2
12.7
41.6
14.9
8
Canada thistle
34.8
3.9
11.3
0.6
1.8
10.0
12.3
9
Wild oats
26.1
3.3
12.5
0.8
3.2
7.6
10.6
10
Field bindweed
17.4
2.4
13.8
0.3
2.0
6.2
6.6
11
Pale smartweed
17.4
1.7
10.0
0.2
1.1
1.6
5.6
12
Round-leaved mallow
13.0
2.0
15.0
0.1
1.1
2.4
4.8
13
Perennial sow-thistle
8.7
2.0
22.5
0.3
3.1
4.6
4.2
14
Alfalfa
8.7
1.7
20.0
0.1
1.0
1.0
3.5
15
Canola (Argentine)
13.0
0.7
5.0
< 0.1
0.3
0.4
3.4
16
Barnyard grass
8.7
1.3
15.0
0.1
0.7
1.2
3.1
17
Quack grass
8.7
1.1
12.5
0.1
0.8
1.2
2.9
18
Shepherd's-purse
8.7
0.9
10.0
< 0.1
0.5
0.6
2.7
19
Wild mustard
8.7
0.7
7.5
< 0.1
0.4
0.6
2.5
20
Broad-leaved plantain
8.7
0.4
5.0
< 0.1
0.4
0.4
2.3
21
Downy brome
4.3
1.1
25.0
0.1
1.6
1.6
2.0
22
Wheat
4.3
0.7
15.0
0.1
3.2
3.2
1.8
23
Flixweed
4.3
0.4
10.0
0.1
1.2
1.2
1.4
24
White cockle
4.3
0.2
5.0
< 0.1
0.2
0.2
1.1
25
Goat's-beard
4.3
0.2
5.0
< 0.1
0.2
0.2
1.1
26
Prickly lettuce
4.3
0.2
5.0
< 0.1
0.2
0.2
1.1
27
Annual sow-thistle
4.3
0.2
5.0
< 0.1
0.2
0.2
1.1
28
Spiny annual sow-thistle
4.3
0.2
5.0
< 0.1
0.2
0.2
1.1
29
Stork's-bill
4.3
0.2
5.0
< 0.1
0.2
0.2
1.1