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Field Survey Summary Tables – Alberta
34
Table 14. 2009 irrigated dry beans in Alberta (27 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Wild oats
25.6
4.5
17.5
0.3
1.1
4.8
50.4
2
Kochia
29.7
3.2
10.8
0.2
0.7
1.2
44.4
3
Wild buckwheat
22.4
2.4
10.9
0.1
0.5
1.6
31.5
4
Canada thistle
10.1
1.2
11.8
0.4
3.5
7.0
29.5
5
Wheat
3.6
1.3
35.0
0.3
8.0
8.0
22.1
6
Canola (Argentine)
6.5
1.3
20.3
0.1
2.2
4.8
17.1
7
Annual sow-thistle
2.8
1.8
65.0
0.1
4.8
4.8
16.4
8
Barnyard grass
3.6
1.8
50.0
0.1
3.2
3.2
16.0
9
Lamb's-quarters
2.8
1.0
35.0
0.1
3.8
3.8
11.4
10
Redroot pigweed
6.5
0.7
10.6
< 0.1
0.5
0.8
9.2
11
Round-leaved mallow
4.1
0.8
20.0
< 0.1
1.0
1.0
8.4
12
Cleavers
2.8
0.9
30.0
0.1
1.8
1.8
8.1
13
Field bindweed
3.6
0.5
15.0
0.1
1.6
1.6
7.7
14
Prostrate pigweed
4.1
0.6
15.0
< 0.1
0.6
0.6
6.7
15
Dandelion
3.6
0.5
15.0
< 0.1
0.8
0.8
6.3
16
Sunflower species
3.6
0.4
10.0
< 0.1
1.0
1.0
5.9
17
Showy milkweed
3.6
0.4
10.0
< 0.1
0.8
0.8
5.5
18
Green foxtail
2.8
0.1
5.0
< 0.1
0.6
0.6
3.4
Table 15. 2009 irrigated potatoes in Alberta (19 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Lamb's-quarters
30.8
2.8
9.2
0.1
0.4
0.8
43.6
2
Wild buckwheat
25.4
2.9
11.3
0.1
0.5
1.4
40.6
3
Kochia
27.8
1.7
6.0
0.1
0.2
0.4
29.4
4
Canola (Argentine)
10.8
1.9
17.5
0.1
0.8
1.0
23.8
5
Wheat
5.4
1.1
20.0
0.1
2.0
2.0
18.8
6
Round-leaved mallow
10.8
1.1
10.0
0.1
0.7
0.8
18.5
7
Redroot pigweed
16.3
0.8
5.0
< 0.1
0.2
0.2
15.7
8
Purslane
5.4
0.8
15.0
0.1
1.4
1.4
14.3
9
Canada thistle
9.6
1.0
10.6
< 0.1
0.4
0.6
14.2
10
Barnyard grass
5.4
0.8
15.0
0.1
1.2
1.2
13.3
11
Common groundsel
5.4
0.8
15.0
< 0.1
0.8
0.8
11.2
12
Downy brome
5.4
0.3
5.0
0.1
1.2
1.2
10.4
13
Wild oats
5.4
0.8
15.0
< 0.1
0.6
0.6
10.2
14
Alfalfa
5.4
0.8
15.0
< 0.1
0.6
0.6
10.2
15
Corn
4.2
0.4
10.0
< 0.1
0.4
0.4
6.0
16
Dandelion
5.4
0.3
5.0
< 0.1
0.2
0.2
5.2
17
Flixweed
5.4
0.3
5.0
< 0.1
0.2
0.2
5.2
18
Goat's-beard
5.4
0.3
5.0
< 0.1
0.2
0.2
5.2
19
Wild tomato
4.2
0.2
5.0
< 0.1
0.2
0.2
4.1