Table 3.  Traffic effects averaged across several alfalfa cultivars at Fargo,
 
ND in 2007.
   
Harvest dates
Traffic†
treatment
2004:
6-5
7-6
8-7
10-12
Total
2005:
6-5
7-6
8-10
10-25
2006:
6-5
7-6
8-8
10-25
 
- - - - - - - - - - - tons dry matter/acre - - - - - - - - - - -
   
FA-04, 2004 seeding, 8 varieties
No traffic  
3.12
1.86
1.60
1.07
7.65
Traffic  
3.14
1.57
1.30
1.05
7.06
  LSD (0.05)
NS
*
NS
NS
NS
         
   
FA-05, 2005 seeding, 12 varieties
No traffic  
2.93
1.83
1.40
0.83
7.00
Traffic  
2.89
1.63
1.23
0.76
6.51
  LSD (0.05)
NS
NS
NS
NS
*
         
   
FA-06, 2006 seeding, 8 varieties
No traffic  
2.69
1.90
1.19
0.80
6.58
Traffic  
2.70
1.73
1.08
0.64
6.16
  LSD (0.05)
NS
*
*
*
*
†Traffic treatment was one pass with a medium size tractor 5 days after harvest