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Field Survey Summary Tables – Ecodistrict 823
89
Table 84. 2009 irrigated barley in the Vauxhall Plain Ecodistrict (823) in the Mixed Grassland Ecoregion
(10 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Wild oats
78.2
19.2
24.6
2.4
3.0
10.8
56.6
2
Green foxtail
18.8
9.9
52.5
2.7
14.5
28.8
35.6
3
Perennial sow-thistle
21.8
10.9
50.0
1.7
7.9
15.6
29.5
4
Persian darnel
10.9
10.9 100.0
1.7
15.2
15.2
26.3
5
Kochia
29.7
7.1
23.9
0.7
2.3
5.0
19.7
6
Stinkweed
32.7
7.6
23.3
0.5
1.5
2.8
19.5
7
Wild buckwheat
40.6
4.6
11.3
0.2
0.5
0.8
16.1
8
Wild mustard
10.9
8.2
75.0
0.6
5.6
5.6
15.5
9
White mustard
9.4
5.6
60.0
0.9
9.4
9.4
14.8
10
Canada thistle
39.1
2.4
6.2
0.2
0.4
0.6
13.3
11
Quack grass
10.9
3.3
30.0
0.4
3.6
3.6
9.0
12
Tartary buckwheat
21.8
1.6
7.5
0.2
1.0
1.4
8.7
13
Alfalfa
9.4
4.2
45.0
0.2
2.6
2.6
8.4
14
Redroot pigweed
18.8
1.9
10.0
0.1
0.6
1.0
7.4
15
Lamb's-quarters
18.8
1.9
10.0
0.1
0.5
0.8
7.2
16
Foxtail barley
10.9
1.6
15.0
0.1
1.2
1.2
5.3
17
Smooth brome
10.9
0.5
5.0
< 0.1
0.4
0.4
3.6
18
Barnyard grass
10.9
0.5
5.0
< 0.1
0.4
0.4
3.6
Table 85. 2009 irrigated broad-leaved annual crops in the Vauxhall Plain Ecodistrict (823) in the Mixed
Grassland Ecoregion (29 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Smooth brome
7.8
5.9
75.0
2.7
34.9
61.6
75.1
2
Wild oats
24.7
6.2
25.1
1.2
5.1
24.2
60.1
3
Kochia
14.6
2.0
13.8
0.6
3.9
13.6
26.9
4
Dandelion
11.2
2.3
20.2
0.1
1.3
2.8
17.7
5
Redroot pigweed
10.1
1.9
18.3
0.1
1.1
2.2
14.9
6
Canola (Argentine)
13.5
1.3
10.0
0.1
0.4
0.6
14.4
7
Perennial sow-thistle
7.8
1.2
15.0
0.1
0.8
0.8
10.3
8
Persian darnel
3.9
1.2
30.0
0.2
5.0
5.0
10.2
9
Barnyard grass
3.4
1.7
50.0
0.1
3.2
3.2
10.0
10
Wheat
7.8
1.0
12.5
0.1
0.9
1.6
9.7
11
Wild buckwheat
10.7
0.5
5.0
< 0.1
0.2
0.2
9.1
12
Lamb's-quarters
3.4
1.0
30.0
0.1
1.6
1.6
6.7
13
Canada thistle
7.3
0.4
5.0
< 0.1
0.2
0.2
6.2
14
Spiny annual sow-thistle
3.9
0.8
20.0
< 0.1
1.2
1.2
6.1
15
Alfalfa
3.4
0.5
15.0
< 0.1
0.6
0.6
4.3
16
Foxtail barley
3.9
0.2
5.0
< 0.1
0.2
0.2
3.3
17
Ball mustard
3.9
0.2
5.0
< 0.1
0.2
0.2
3.3
18
Flixweed
3.4
0.2
5.0
< 0.1
0.2
0.2
2.9
19
Green foxtail
3.4
0.2
5.0
< 0.1
0.2
0.2
2.9
20
Quack grass
3.4
0.2
5.0
< 0.1
0.2
0.2
2.9
21
Stinkweed
3.4
0.2
5.0
< 0.1
0.2
0.2
2.9