Table 52. Cropping systems trial yields 1983 to 1990

Crop and Rotation

1983

1984

1985

1986

1987

1988

1989

1990

8 Year Average

% of Fallow

 

Bushels per Acre

Wheat Yields on:

Fallow

47.1

34.5

36.7

57.8

20.7

9.4

20.1

36.9

32.9

100

Continuous recrop

38.5

27.2

20.6

36.1

9.3

0.0

5.7

10.6

18.5

56

No-till continuous

39.0

20.4

14.8

22.9

4.8

0.0

9.3

11.8

15.4

47

Sunflower stubble

46.1

21.4

16.9

39.5

6.5

0.0

9.0

15.6

19.4

59

Corn stubble

47.2

32.2

29.6

45.4

16.6

0.0

10.2

17.7

24.9

76

Barley Yields on:

Sunflower stubble

64.8

36.3

31.5

43.6

26.8

0.0

9.0

21.8

29.2

 

Corn Yields on Wheat Stubble:

Grain (Bu/A)

72.6

72.4

56.5

57.2

82.4

11.2

0.0

21.9

46.8

 

Silage (Tons/A)

10.3

8.9

12.6

9.7

12.7

4.5

2.7

7.9

8.7

 

Sunflower on:

Wheat stubble (Lbs/A)

1784

1664

1224

2423

1182

0.0

0.0

0.0

1035