Oakes Irrigation Research Site |
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Carrington Research
Extension Center * North Dakota State University |
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P.O. Box 531,
Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700,
E-mail: |
Walter.Albus@ndsu.edu |
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Table 1. The affect of corn stover removal from 0 to
100% on grain yield and other agronomic parameters for corn on corn plots in
2012. |
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Stover |
Grain |
Harvest |
Test |
Chlorophyll |
NDRE |
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Grain |
Stalk |
Silk |
Mature |
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Removal |
Yield1 |
Moisture |
Weight |
Reading |
Reading |
Population |
Protein |
Nitrate-N |
Date |
Date |
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% |
bu/ac |
% |
lb/bu |
10-Aug |
28-Jul |
plants/ac |
% |
ppm |
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0 |
258.9 |
16.2 |
59.3 |
59.5 |
0.3638 |
31057 |
8.8 |
1409 |
7/16 |
9/25 |
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33 |
265.8 |
15.4 |
59.9 |
59.6 |
0.3652 |
32267 |
8.8 |
1373 |
7/13 |
9/24 |
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67 |
257.8 |
15.8 |
60.0 |
60.4 |
0.3676 |
31944 |
8.8 |
2307 |
7/13 |
9/23 |
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100 |
260.1 |
15.9 |
59.7 |
61.1 |
0.3601 |
30573 |
9.0 |
1463 |
7/12 |
9/21 |
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Mean |
260.7 |
15.8 |
59.7 |
60.2 |
0.36 |
31460 |
8.9 |
1638.0 |
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CV% |
7.3 |
2.3 |
0.5 |
4.3 |
1.9 |
2.7 |
1.0 |
29.5 |
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LSD.05 |
NS |
NS |
NS |
NS |
NS |
NS |
NS |
NS |
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Table 2. Corn on Corn Stover Removal - NDSU Oakes
Irrigation Research site 2009-2012 |
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Stover |
Grain |
Harvest |
Test |
Chlorophyll |
Reading |
Stalk |
Grain |
Silk |
Mature |
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Removal |
Yield |
Moisture |
Weight |
Reading |
NDRE |
Nitrate-N |
Protein |
Date |
Date |
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% |
bu/ac |
% |
lb/bu |
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ppm |
% |
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0 |
218.1 |
22.7 |
56.2 |
55.9 |
0.3690 |
1712 |
8.4 |
7/22 |
9/30 |
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33 |
219.8 |
22.0 |
56.8 |
55.9 |
0.3671 |
1814 |
8.3 |
7/21 |
9/28 |
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67 |
221.6 |
21.9 |
56.6 |
56.5 |
0.3682 |
1671 |
8.3 |
7/20 |
9/28 |
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100 |
221.4 |
21.1 |
57.0 |
56.1 |
0.3620 |
2290 |
8.5 |
7/19 |
9/27 |
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Mean |
220.2 |
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Detailed material and methods |
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Oakes Irrigation
Research Site |
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Variety trials |
Crop index |
Home page |
Report 2012 |
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Other corn Studies
2012 |
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Corn
hybrid performance trial dry land |
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Corn
hybrid performance trial irrigated |
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Corn
row width hybrid study |
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Stover
removal corn soybean rotation |
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Strip-tilled
corn N rate continuous corn |
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Strip-tilled
corn N rate soybean rotation |
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