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