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. Nitrogen Management in Wheat Utilizing
RemoteSensing at the Oakes Irrigation Research Site in 2011. |
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Grain |
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Test |
Plant |
NDRE Value3 |
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Soil-Nitrate-N |
Return |
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N Rate |
Yield |
Protein |
Weight |
Lodge2 |
8-Jun |
15-Jul |
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Fall 2010 |
8/22/12 |
to N4 |
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bu/ac |
---%--- |
lb/bu |
0-9 |
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-------lb/ac------- |
$/ac |
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100 |
57.8 |
16.5 |
57.3 |
2.8 |
0.3667 |
0.4071 |
27 |
60 |
412.50 |
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150 |
46.3 |
17.1 |
55.4 |
3.8 |
0.3715 |
0.4071 |
27 |
73 |
295.80 |
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200 |
43.3 |
17.5 |
54.4 |
5.0 |
0.3722 |
0.4133 |
27 |
80 |
246.30 |
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150+301 |
43.3 |
17.6 |
55.0 |
5.0 |
0.3661 |
0.4122 |
27 |
91 |
256.50 |
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MEAN |
47.7 |
17.2 |
55.5 |
4.2 |
0.4 |
0.4 |
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76.0 |
302.8 |
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CV % |
5.9 |
1.4 |
1.2 |
34.5 |
2.8 |
1.7 |
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16.7 |
7.4 |
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LSD.05 |
4.5 |
0.4 |
2.3 |
NS |
NS |
NS |
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20 |
35.8 |
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1First number lb N/ac prior to flowering. Second number lb N/acre after flowering. |
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2Lodging score: 1 = erect, 9 = flat. |
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3NDRE value from Holland sensor. |
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4Wheat @$8.00/bu, N @ $.50/lb. |
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Planting date =
April 28; Harvest date = August 4; Previous crop = Edible bean. |
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Fertilizer rate
lb/acre = see table for N, 39 P2O5, 48 K2O, 19 S, 2 Zn; Irrigation = 5.3 inches. |
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Detailed
material and methods |
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Hard red spring wheat variety trial |
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Table |
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Oakes Irrigation
Research Site |
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Home page |
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Report
2011 |
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