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