|
Copyright ©
2008 Regents of the University of
Minnesota. All rights reserved.
TABLES
| Table 1. Quantities of nitrogen fixed by various legumes. a |
| Legume |
Nitrogen Fixed
(pounds/acre/year)
|
|
Alfalfa
Birdsfoot trefoil
Crownvetch
Cicer milkvetch
Crimson clover
Hairy vetch
Kura clover
Lentil
Red clover
Soybean
Sub clover
Sweetclover
White clover |
70-200
44-150
98
140
57
99
17-158
149-168
60-200
20-200
52-163
120
115-180
|
|
| a Source: Heichel (1987);
Date and Brockwell (1978); Seguin, et al. (2000). |
| Table 2. Characteristics of forage legumes. a |
Tolerance to
|
Legume
|
Heat/ drought
|
Wet
|
Winter Injury
|
Frequent cutting/ grazing
|
Soul salinity
|
Soil acidity
|
Soil alkalinity
|
Seedling vigor
|
Ruminant bloat inducing
|
|
| Alfalfa |
E
|
P
|
G
|
F
|
F
|
P
|
F
|
G
|
Yes
|
| Alsike clover |
P
|
E
|
P
|
P
|
F
|
G
|
G
|
G
|
Yes
|
| Birdsfoot trefoil |
F
|
E
|
F
|
G
|
F
|
G
|
G
|
P
|
No
|
| Cicer milkvetch |
G
|
F
|
E
|
F
|
F
|
F
|
E
|
P
|
No
|
| Crownvetch |
G
|
P
|
F
|
P
|
F
|
G
|
P
|
P
|
No
|
| Kura clover |
F
|
G
|
E
|
E
|
F
|
F
|
F
|
P
|
Yes
|
| Red clover |
F
|
F
|
F
|
F
|
F
|
G
|
P
|
E
|
Yes
|
| Sweetclover |
E
|
P
|
E
|
P
|
G
|
P
|
E
|
G
|
Yes
|
| White clover |
P
|
G
|
F
|
E
|
F
|
G
|
P
|
G
|
Yes
|
|
| a E = excellent, G = good, F = fair, P = poor. |
| Table 3. Relative importance of insect and disease pests of forage
legumes. a |
|
|
Insect pests
|
Diseases
|
|
|
|
|
|
|
Potato leaf hopper
|
Plant bugs
|
Leaf feeders
|
Crown and root feeders
|
Damping off
|
Crown and root rots
|
Vascular wilts
|
Foliar disease
|
Viruses
|
Nema-
todes
|
|
| Alfalfa |
3
|
2
|
2
|
2
|
2
|
3
|
3
|
2
|
1
|
2
|
| Alsike clover |
2
|
1
|
1
|
3
|
2
|
3
|
1
|
2
|
3
|
2
|
| Birdsfoot trefoil |
1
|
2
|
1
|
2
|
2
|
3
|
1
|
2
|
1
|
2
|
| Cicer milkvetch |
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Crownvetch |
1
|
1
|
1
|
1
|
1
|
2
|
1
|
2
|
1
|
1
|
| Kura clover |
3
|
1
|
1
|
2
|
2
|
1
|
1
|
2
|
2
|
3
|
| Red clover |
1
|
1
|
1
|
3
|
2
|
3
|
1
|
3
|
2
|
2
|
| Sweetclover |
1
|
1
|
2
|
3
|
2
|
3
|
1
|
1
|
2
|
1
|
| White clover |
2
|
1
|
1
|
2
|
2
|
3
|
1
|
2
|
3
|
3
|
|
| a 1 = infrequent problem, 2 = occasional problem, 3 = frequent
problem. |
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