Treatments | Tillage Frequency | ||||
Tillage in 2002 only | Tillage in 2002, 2003, and 2004 | ||||
Length (cm) | Weight (g) | Length (cm) | Weight (g) | ||
Conventional | 37.6 a | 33.1 a | 42.9 a | 32.2 b | |
Straight Shank | 37.2 a | 34.9 a | 42.7 a | 32.8 b | |
Paratill | 37.9 a | 34.6 a | 44.1 a | 39.8 a | |
Terra Max | 37.5 a | 32.3 a | 43.5 a | 39.1 a | |
No-Till | 17.3 b | 25.1 b | 20.4 b | 25.2 c | |