| 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 2011. | ||||||||||||||||||||||
| Grain | Stalk DM | Chlorophyll | NDRE | Population | ||||||||||||||||||
| Stover | Grain | Yield | Harvest | Test | Stalk DM | Removal | Reading | Reading | After | Stalk | Grain | Emerge | Silk | Mature | Nutrients in stover | Nutrient Value | ||||||
| Removal | Yield1 | 2009-2010 | Moisture | Weight | Removal | 2008-2010 | 10-Aug | 28-Jul | Green Snap | Nitrate-N | Oil | Protein | Starch | Date | Date | Date | N | P | K | 2011 | 2008-2011 | |
| % | bu/ac | % | lb/bu | ------ ton/ac ------ | ppm | ------------%------------- | --------- lb/acre --------- | ------ $/ac ------ | ||||||||||||||
| 0 | 193.8 | 204.5 | 19.2 | 56.3 | 0.0 | 0.0 | 51.7 | 0.349 | 28879 | 2973 | 3.2 | 9.2 | 72.5 | 6/2 | 7/28 | 9/30 | 0 | 0 | 0 | $0 | $0 | |
| 33 | 189.9 | 204.5 | 19.1 | 56.2 | 2.2 | 2.3 | 50.8 | 0.346 | 27427 | 2051 | 3.1 | 9.1 | 72.7 | 6/1 | 7/28 | 9/29 | 44 | 6 | 69 | $66 | $42 | |
| 67 | 207.5 | 209.6 | 18.7 | 56.6 | 2.8 | 3.6 | 51.6 | 0.347 | 30734 | 1719 | 3.1 | 9.1 | 72.7 | 5/31 | 7/28 | 9/29 | 52 | 6 | 84 | $78 | $60 | |
| 100 | 204.9 | 208.5 | 18.8 | 56.8 | 4.0 | 5.3 | 50.3 | 0.335 | 29847 | 2361 | 3.2 | 9.2 | 72.5 | 5/31 | 7/26 | 9/28 | 68 | 8 | 109 | $102 | $84 | |
| Mean | 199.0 | 18.9 | 56.5 | 2.2 | 2.8 | 51.1 | 0.344 | 29222 | 2276 | 3.2 | 9.1 | 72.6 | 5/31 | 7/27 | 9/29 | 41 | 5 | 65 | $61 | $47 | ||
| CV% | 3.7 | 3.6 | 1.6 | 14.7 | 3.5 | 2.8 | 5.2 | 43.6 | 3.6 | 2.0 | 0.4 | 0.0 | 0.0 | 0.0 | 21.3 | 45.8 | 23.9 | 19.7 | ||||
| LSD.05 | 11.8 | 1.1 | 1.5 | 0.5 | NS | NS | 2421 | NS | 0.2 | 0.3 | 0.5 | 0.5 | 1.5 | NS | 14 | 4 | 25 | 19.4 | ||||
| 1Yield adjusted to 15.5% moisture. | ||||||||||||||||||||||
| Planting Date = May 17; Harvest Date = October 13 ; Previous Crop = Corn. | ||||||||||||||||||||||
| Fertilizer Rate lbs/acre = 220 N, 40 P2O5, 157 K2O; 18 S; Irrigation = 8.9 inches. | ||||||||||||||||||||||
| Other corn Studies 2011 | ||||||||||||||||||||||
| Detailed material and methods | Corn hybrid performance trial dry land | |||||||||||||||||||||
| Corn hybrid performance trial irrigated | ||||||||||||||||||||||
| Oakes Irrigation Research Site | Corn late planting date and relative maturity study | |||||||||||||||||||||
| Home page | Report 2011 | Corn row width hybrid study | ||||||||||||||||||||
| Green snap in corn | ||||||||||||||||||||||
| Stover removal corn soybean rotation | ||||||||||||||||||||||
| Strip-tilled continuous corn N rate | ||||||||||||||||||||||
| Strip-tilled corn N rate soybean rotation | ||||||||||||||||||||||