| 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 | ||||||||||||||||||
| Oakes Irrigation Research Site | ||||||||||||||||||
| Home page | Report 2010 | |||||||||||||||||