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Table 2. Plant height, grain yield, weight and Crude Protein concentration for five semidwarf and five conventional-height hard red spring wheat cultivars across wheat-corn, wheat-black fallow, and wheat-wheat rotations during 1994-1997.
Crop rotation (CR)

Height

Grain

Yield

Weight

Crude protein

 

inches

bu/acre

- g/100 kernel -

%

Wheat-Corn

29

46

3.2

15.7

Wheat-Fallow

30

49

3.2

15.5

Wheat-Wheat

29

44

3.1

15.2

Wheat cultivar (WC)
AC Minto

34

42

3.1

16.1

Amidon

32

50

3.1

15.3

Bergen

25

51

3.3

14.8

Butte 86

29

46

3.3

15.5

Grandin

28

47

3.3

15.7

HiLine

26

44

3.0

15.1

Norm

26

48

3.3

15.0

2371

33

44

3.0

16.3

Sharp

29

45

3.2

15.3

Stoa

31

45

2.9

15.3

  

Analysis of variance

CR

NS1

NS

NS

*

Year (Y) x CR

*

*

NS

*

WC

*

*

*

*

CR x WC

NS

NS

NS

NS

Y x WC

*

*

*

*

Y x CR x WC

NS

*

NS

NS

1NS = Not significant at the P <0.05 level; * = significant at the P < 0.05 level.  


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