Oakes Irrigation Research Site
Carrington Research Extension Center * North Dakota State University
P.O. Box 531, Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700, E-mail:  Walter.Albus@ndsu.edu
Table 1.  Nitrogen Management in Wheat Utilizing RemoteSensing at the Oakes Irrigation Research Site in 2011.
Grain Test Plant NDRE Value3 Soil-Nitrate-N Return 
N Rate  Yield Protein Weight Lodge2 8-Jun 15-Jul   Fall 2010 8/22/12 to N4
  bu/ac ---%--- lb/bu 0-9   -------lb/ac------- $/ac
100 57.8 16.5 57.3 2.8 0.3667 0.4071 27 60 412.50
150 46.3 17.1 55.4 3.8 0.3715 0.4071 27 73 295.80
200 43.3 17.5 54.4 5.0 0.3722 0.4133 27 80 246.30
150+301 43.3 17.6 55.0 5.0 0.3661 0.4122 27 91 256.50
             
MEAN 47.7 17.2 55.5 4.2 0.4 0.4     76.0 302.8
CV % 5.9 1.4 1.2 34.5 2.8 1.7 16.7 7.4
LSD.05 4.5 0.4 2.3 NS NS NS     20 35.8
1First number lb N/ac prior to flowering.  Second number lb N/acre after flowering.
2Lodging score: 1 = erect, 9 = flat.
3NDRE value from Holland sensor.
4Wheat @$8.00/bu, N @ $.50/lb.
Planting date = April 28; Harvest date = August 4; Previous crop = Edible bean.
Fertilizer rate lb/acre = see table for N, 39 P2O5, 48 K2O, 19 S, 2 Zn; Irrigation = 5.3 inches.
Detailed material and methods Hard red spring wheat variety trial Table
Oakes Irrigation Research Site
Home page Report 2011