Treatments | Tillage Frequency | ||||
Tillage in 2002 only | Tillage in both 2002 and 2003 | ||||
Length (cm) | Weight (g) | Length (cm) | Weight (g) | ||
Conventional | 38.9 a | 22.7 a | 41.6 a | 26.5 b | |
Straight Shank | 38.4 a | 21.7 a | 40.2 a | 27.2 b | |
Paratill | 39.2 a | 25.9 a | 41.0 a | 33.9 a | |
Terra Max | 38.8 a | 25.9 a | 40.3 a | 32.7 a | |
No-Till | 18.6 b | 14.1 b | 19.9 b | 8.3 c | |