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 2.  The affect of corn stover removal from 0 to 100% on grain yield and other agronomic parameters for corn on soybean plots (Block III) in 2010.  
Stalk DM Chloropyll    2010
Stover Grain Harvest  Test Removal  Meter Reading Grain Silk Mature Ear  Ear/ Nutrients in Stover - 2010 Nutrient
Removal Yield1 Moisture Wt. 2010 21-Jul 4-Aug   Oil Protein Starch Date Date Height Plant N P K Value
% bu/ac % lb/bu ton/ac ---------------%-------------- lb/ac lb/ac lb/ac $/ac
 
0 219.4 21.6 56.7 0.0 59.4 60.4   2.2 7.6 75.1 7/16 7/15 34.7 1.01 0 0 0 0
33 214.7 21.3 56.5 1.9 58.5 59.7   2.4 7.7 74.9 7/15 7/15 33.1 1.02 26 2 39 36
67 213.1 20.1 57.3 3.2 57.5 58.4   2.2 7.5 75.2 7/14 7/15 33.7 1.01 42 3 75 65
100 213.0 20.3 57.5 4.8 58.7 59.9   2.4 8.0 74.6 7/14 7/14 33.4 1.03 67 4 93 88
 
Mean 215.0 20.8 57.0   58.5 59.6   2.3 7.7 74.9 7/15 7/14 33.7 1.02 34 2 51 47
CV% 2.6 4.1 0.7 2.2 2.0 9.7 2.6 0.6 3.4 2.31 10.9 27.1 29.1 19.1
LSD.05 8.8 1.4 0.7   2.1 1.9   0.4 0.2 0.7     NS 0.04 6 1 24 14
1Yield adjusted to 15.5% moisture.
Planting Date = April 27; Harvest Date = October 15 ; Previous Crop = Soybean.
Fertilizer Rate lbs/acre = 180 N, 40 P2O5, 17 S; Irrigation = 9.8 inches
Carbon I corn on corn stover removal 2010 Table Figures 1-6
Detailed material and methods
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