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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
2011. |
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Grain |
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Stalk DM |
Chlorophyll |
NDRE |
Population |
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Stover |
Grain |
Yield |
Harvest |
Test |
Stalk DM |
Removal |
Reading |
Reading |
After |
Stalk |
Grain |
Emerge |
Silk |
Mature |
Nutrients in stover |
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Nutrient Value |
Removal |
Yield1 |
2009-2010 |
Moisture |
Weight |
Removal |
2008-2010 |
10-Aug |
28-Jul |
Green Snap |
Nitrate-N |
Oil |
Protein |
Starch |
Date |
Date |
Date |
N |
P |
K |
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2011 |
2008-2011 |
% |
bu/ac |
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% |
lb/bu |
------ ton/ac ------ |
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ppm |
------------%------------- |
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--------- lb/acre --------- |
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------ $/ac ------ |
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0 |
193.8 |
204.5 |
19.2 |
56.3 |
0.0 |
0.0 |
51.7 |
0.349 |
28879 |
2973 |
3.2 |
9.2 |
72.5 |
6/2 |
7/28 |
9/30 |
0 |
0 |
0 |
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$0 |
$0 |
33 |
189.9 |
204.5 |
19.1 |
56.2 |
2.2 |
2.3 |
50.8 |
0.346 |
27427 |
2051 |
3.1 |
9.1 |
72.7 |
6/1 |
7/28 |
9/29 |
44 |
6 |
69 |
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$66 |
$42 |
67 |
207.5 |
209.6 |
18.7 |
56.6 |
2.8 |
3.6 |
51.6 |
0.347 |
30734 |
1719 |
3.1 |
9.1 |
72.7 |
5/31 |
7/28 |
9/29 |
52 |
6 |
84 |
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$78 |
$60 |
100 |
204.9 |
208.5 |
18.8 |
56.8 |
4.0 |
5.3 |
50.3 |
0.335 |
29847 |
2361 |
3.2 |
9.2 |
72.5 |
5/31 |
7/26 |
9/28 |
68 |
8 |
109 |
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$102 |
$84 |
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Mean |
199.0 |
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18.9 |
56.5 |
2.2 |
2.8 |
51.1 |
0.344 |
29222 |
2276 |
3.2 |
9.1 |
72.6 |
5/31 |
7/27 |
9/29 |
41 |
5 |
65 |
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$61 |
$47 |
CV% |
3.7 |
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3.6 |
1.6 |
14.7 |
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3.5 |
2.8 |
5.2 |
43.6 |
3.6 |
2.0 |
0.4 |
0.0 |
0.0 |
0.0 |
21.3 |
45.8 |
23.9 |
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19.7 |
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LSD.05 |
11.8 |
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1.1 |
1.5 |
0.5 |
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NS |
NS |
2421 |
NS |
0.2 |
0.3 |
0.5 |
0.5 |
1.5 |
NS |
14 |
4 |
25 |
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19.4 |
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1Yield adjusted to 15.5%
moisture. |
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Planting Date = May
17; Harvest Date = October 13 ; Previous Crop = Corn. |
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Fertilizer Rate
lbs/acre = 220 N, 40 P2O5, 157 K2O; 18 S; Irrigation = 8.9 inches. |
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Other corn Studies 2011 |
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Detailed material and
methods |
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Corn
hybrid performance trial dry land |
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Corn
hybrid performance trial irrigated |
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Oakes Irrigation
Research Site |
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Corn late
planting date and relative maturity study |
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Home page |
Report 2011 |
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Corn row
width hybrid study |
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Green
snap in corn |
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Stover
removal corn soybean rotation |
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Strip-tilled
continuous corn N rate |
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Strip-tilled
corn N rate soybean rotation |
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