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Field Survey Summary Tables – Mixed Grassland Ecoregion
52
Table 37. 2009 irrigated crops in the Mixed Grassland Ecoregion (375 fields)
(continued)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
53
Common burdock
0.3
< 0.1
10.0
< 0.1
1.4
1.4
0.1
54
White cockle
0.4
< 0.1
5.0
< 0.1
0.2
0.2
0.1
55
Timothy
0.3
< 0.1
10.0
< 0.1
0.6
0.6
0.1
56
Silver sagebrush
0.3
< 0.1
10.0
< 0.1
0.4
0.4
0.1
57
Rough cinquefoil
0.3
< 0.1
5.0
< 0.1
0.2
0.2
0.1
58
Ball mustard
0.3
< 0.1
5.0
< 0.1
0.2
0.2
0.1
59
Japanese brome
0.3
< 0.1
5.0
< 0.1
0.2
0.2
0.1
60
Corn
0.2
< 0.1
10.0
< 0.1
0.4
0.4
0.1