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