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Field Survey Summary Tables – Taber County
126
Table 144. 2009 irrigated alfalfa in Taber County (16 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Dandelion
68.8
23.4
34.1
2.7
4.0
20.8
113.1
2
Canada thistle
37.5
8.4
22.5
0.9
2.4
9.0
44.4
3
Quack grass
31.3
3.8
12.0
0.5
1.6
3.0
27.2
4
Foxtail barley
25.0
3.8
15.0
0.4
1.4
3.0
22.1
5
Redroot pigweed
6.3
5.0
80.0
0.6
9.0
9.0
20.5
6
Kochia
25.0
2.2
8.8
0.4
1.5
5.4
19.8
7
Lamb's-quarters
6.3
4.4
70.0
0.3
4.4
4.4
14.7
8
Yellow sweet-clover
12.5
1.6
12.5
0.1
0.8
1.4
9.3
9
Goat's-beard
6.3
0.9
15.0
0.1
1.8
1.8
5.9
10
Wild oats
6.3
0.6
10.0
0.1
1.4
1.4
5.0
11
Perennial sow-thistle
6.3
0.6
10.0
< 0.1
0.6
0.6
4.2
12
White clover
6.3
0.6
10.0
< 0.1
0.4
0.4
4.0
13
Bull thistle
6.3
0.3
5.0
< 0.1
0.4
0.4
3.4
14
Flixweed
6.3
0.3
5.0
< 0.1
0.2
0.2
3.2
15
Canola (Argentine)
6.3
0.3
5.0
< 0.1
0.2
0.2
3.2
Table 145. 2009 irrigated grass hay in Taber County (10 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Dandelion
80.0
15.0
18.8
2.8
3.6
20.4
84.8
2
Foxtail barley
40.0
8.5
21.3
2.0
5.1
12.8
51.5
3
Pasture sage
20.0
11.0
55.0
1.1
5.7
6.8
38.5
4
White sweet-clover
10.0
7.5
75.0
0.8
8.0
8.0
25.4
5
Canada thistle
40.0
3.5
8.8
0.4
1.1
2.2
24.0
6
Wild buckwheat
10.0
4.5
45.0
0.4
3.8
3.8
15.3
7
Yellow sweet-clover
20.0
2.5
12.5
0.2
1.2
2.0
13.5
8
Goat's-beard
20.0
1.5
7.5
0.1
0.4
0.4
9.9
9
White clover
20.0
1.5
7.5
0.1
0.4
0.6
9.9
10
Prickly rose
10.0
2.0
20.0
0.2
2.2
2.2
9.2
11
Kochia
20.0
1.0
5.0
0.1
0.3
0.4
8.8
12
Redroot pigweed
10.0
0.5
5.0
0.1
0.6
0.6
4.8
13
Bull thistle
10.0
0.5
5.0
< 0.1
0.2
0.2
4.3