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Field Survey Summary Tables – Taber Irrigation District
162
Table 194. 2009 irrigated fields in Taber Irrigation District (41 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Kochia
53.7
8.8
16.4
1.3
2.4
14.6
66.2
2
Wild oats
29.3
8.9
30.4
1.7
5.8
14.4
62.9
3
Canada thistle
29.3
2.7
9.2
0.4
1.4
7.0
26.0
4
Dandelion
22.0
2.9
13.3
0.3
1.3
2.0
21.3
5
Redroot pigweed
12.2
2.4
20.0
0.2
1.8
7.6
14.8
6
Wild buckwheat
7.3
2.7
36.7
0.2
3.0
8.2
13.3
7
Pasture sage
4.9
2.7
55.0
0.3
5.7
6.8
13.2
8
Alfalfa
2.4
1.2
50.0
0.5
19.2
19.2
11.9
9
White sweet-clover
2.4
1.8
75.0
0.2
8.0
8.0
8.7
10
Canola (Argentine)
4.9
1.5
30.0
0.1
2.1
2.2
7.3
11
Round-leaved mallow
9.8
0.7
7.5
0.1
0.6
1.0
6.9
12
Sunflower species
7.3
1.0
13.3
0.1
1.1
1.6
6.9
13
Wheat
2.4
0.9
35.0
0.2
8.0
8.0
6.4
14
Foxtail barley
4.9
0.6
12.5
0.1
1.4
1.6
4.7
15
Yellow sweet-clover
4.9
0.6
12.5
0.1
1.2
2.0
4.6
16
Field bindweed
4.9
0.5
10.0
< 0.1
0.9
1.6
4.0
17
Showy milkweed
4.9
0.4
7.5
< 0.1
0.7
0.8
3.6
18
Goat's-beard
4.9
0.4
7.5
< 0.1
0.4
0.4
3.3
19
White clover
4.9
0.4
7.5
< 0.1
0.3
0.4
3.2
20
Prickly rose
2.4
0.5
20.0
0.1
2.2
2.2
3.1
21
Lamb's-quarters
4.9
0.2
5.0
< 0.1
0.4
0.6
3.0
22
Perennial sow-thistle
2.4
0.1
5.0
< 0.1
0.6
0.6
1.6
23
Quack grass
2.4
0.1
5.0
< 0.1
0.4
0.4
1.5
24
Bull thistle
2.4
0.1
5.0
< 0.1
0.2
0.2
1.4
Table 195. 2009 irrigated annual crops in Taber Irrigation District (31 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Kochia
61.3
11.1
18.2
1.7
2.8
14.6
83.7
2
Wild oats
38.7
11.8
30.4
2.3
5.8
14.4
83.3
3
Canada thistle
22.6
2.6
11.4
0.5
2.0
7.0
24.4
4
Redroot pigweed
12.9
3.1
23.8
0.3
2.1
7.6
18.0
5
Wild buckwheat
9.7
3.5
36.7
0.3
3.0
8.2
18.0
6
Alfalfa
3.2
1.6
50.0
0.6
19.2
19.2
15.3
7
Canola (Argentine)
6.5
1.9
30.0
0.1
2.1
2.2
10.0
8
Round-leaved mallow
12.9
1.0
7.5
0.1
0.6
1.0
9.8
9
Sunflower species
9.7
1.3
13.3
0.1
1.1
1.6
9.6
10
Wheat
3.2
1.1
35.0
0.3
8.0
8.0
8.4
11
Field bindweed
6.5
0.6
10.0
0.1
0.9
1.6
5.6
12
Showy milkweed
6.5
0.5
7.5
< 0.1
0.7
0.8
5.0
13
Lamb's-quarters
6.5
0.3
5.0
< 0.1
0.4
0.6
4.3
14
Perennial sow-thistle
3.2
0.2
5.0
< 0.1
0.6
0.6
2.3
15
Quack grass
3.2
0.2
5.0
< 0.1
0.4
0.4
2.2