Table 2. Traffic effects on forage yield of several alfalfa cultivars at Fargo,
 
ND, in 2006, a drier year.
Harvest dates in 2006
Traffic †
2004:
6-1
6-30
7-31
9-26
 
treatment
2005:
5-31
7-5
8-8
10-20
total
------------- tons dry matter/acre -------------
 
FA-04, 2004 seeding
No traffic
3.05
1.17
0.64
1.01
5.87
Traffic
2.92
1.08
0.54
0.93
5.47
  LSD (0.05)
NS
*
NS
NS
NS
FA-05, 2005 seeding
No traffic
3.02
1.62
0.68
0.68
6.00
Traffic
2.99
1.40
0.60
0.63
5.62
  LSD (0.05)
NS
10%
NS
NS
10%
†Traffic treatment was one pass with a medium size tractor 5 days after harvest