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Field Survey Summary Tables – Taber Irrigation District
163
Table 196. 2009 irrigated cereal crops in Taber Irrigation District (20 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Wild oats
60.0
18.3
30.4
3.5
5.8
14.4
95.4
2
Kochia
75.0
16.0
21.3
2.5
3.4
14.6
85.7
3
Canada thistle
30.0
3.0
10.0
0.4
1.2
2.2
20.7
4
Wild buckwheat
15.0
5.5
36.7
0.5
3.0
8.2
20.6
5
Redroot pigweed
15.0
4.5
30.0
0.4
2.7
7.6
18.4
6
Alfalfa
5.0
2.5
50.0
1.0
19.2
19.2
17.4
7
Round-leaved mallow
20.0
1.5
7.5
0.1
0.6
1.0
11.6
8
Canola (Argentine)
10.0
3.0
30.0
0.2
2.1
2.2
11.5
9
Lamb's-quarters
10.0
0.5
5.0
< 0.1
0.4
0.6
5.1
10
Sunflower species
5.0
0.5
10.0
< 0.1
0.8
0.8
3.2
11
Showy milkweed
5.0
0.3
5.0
< 0.1
0.6
0.6
2.7
12
Perennial sow-thistle
5.0
0.3
5.0
< 0.1
0.6
0.6
2.7
13
Quack grass
5.0
0.3
5.0
< 0.1
0.4
0.4
2.6
14
Field bindweed
5.0
0.3
5.0
< 0.1
0.2
0.2
2.4
Table 197. 2009 irrigated broad-leaved annual crops in Taber Irrigation District (11 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Wheat
9.1
3.2
35.0
0.7
8.0
8.0
70.1
2
Kochia
36.4
2.3
6.3
0.2
0.5
1.2
63.2
3
Canada thistle
9.1
1.8
20.0
0.6
7.0
7.0
54.9
4
Sunflower species
18.2
2.7
15.0
0.2
1.3
1.6
51.3
5
Field bindweed
9.1
1.4
15.0
0.1
1.6
1.6
27.0
6
Showy milkweed
9.1
0.9
10.0
0.1
0.8
0.8
19.8
7
Redroot pigweed
9.1
0.5
5.0
< 0.1
0.2
0.2
13.6
Table 198. 2009 irrigated perennial crops in Taber Irrigation District (10 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Dandelion
90.0
12.0
13.3
1.2
1.3
2.0
81.4
2
Pasture sage
20.0
11.0
55.0
1.1
5.7
6.8
56.2
3
White sweet-clover
10.0
7.5
75.0
0.8
8.0
8.0
37.6
4
Canada thistle
50.0
3.0
6.0
0.3
0.6
1.4
29.0
5
Foxtail barley
20.0
2.5
12.5
0.3
1.4
1.6
18.2
6
Yellow sweet-clover
20.0
2.5
12.5
0.2
1.2
2.0
17.3
7
Kochia
30.0
1.5
5.0
0.1
0.3
0.4
14.7
8
Prickly rose
10.0
2.0
20.0
0.2
2.2
2.2
12.6
9
Goat's-beard
20.0
1.5
7.5
0.1
0.4
0.4
11.5
10
White clover
20.0
1.5
7.5
0.1
0.3
0.4
11.1
11
Redroot pigweed
10.0
0.5
5.0
0.1
0.6
0.6
5.7
12
Bull thistle
10.0
0.5
5.0
< 0.1
0.2
0.2
4.8