|
Table 52. Cropping systems trial yields 1983 to 1990 |
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|
Crop and Rotation |
1983 |
1984 |
1985 |
1986 |
1987 |
1988 |
1989 |
1990 |
8 Year Average |
% of Fallow |
|
Bushels per Acre |
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|
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: |
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|
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: |
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|
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 |
|