| 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 II) 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 | 205.1 | 209.5 | 19.5 | 55.6 | 0.0 | 0.0 | 49.9 | 0.356 | 30250 | 1488 | 3.1 | 9.1 | 72.6 | 5/31 | 7/28 | 9/30 | 0 | 0 | 0 | $0 | $0 | |
| 33 | 183.7 | 204.7 | 19.8 | 56.4 | 1.6 | 2.2 | 51.8 | 0.348 | 26701 | 1008 | 3.2 | 9.3 | 72.5 | 5/31 | 7/28 | 9/30 | 23 | 3 | 46 | $40 | $36 | |
| 67 | 200.6 | 213.0 | 18.7 | 57.0 | 3.0 | 3.7 | 53.2 | 0.335 | 29040 | 1789 | 3.1 | 9.1 | 72.7 | 5/31 | 7/27 | 9/29 | 43 | 6 | 93 | $79 | $68 | |
| 100 | 196.9 | 211.8 | 19.6 | 56.6 | 4.6 | 5.2 | 51.9 | 0.368 | 28718 | 1183 | 3.2 | 9.1 | 72.5 | 5/31 | 7/27 | 9/30 | 74 | 12 | 151 | $132 | $96 | |
| Mean | 196.6 | 19.4 | 56.4 | 2.3 | 2.8 | 51.7 | 0.4 | 28677 | 1367 | 3.2 | 9.2 | 5/31 | 7/27 | 9/29 | 35 | 5 | 72 | $63 | $50 | |||
| CV% | 7.0 | 4.4 | 1.2 | 18.4 | 5.7 | 6.9 | 5.2 | 56.2 | 4.3 | 1.8 | 0.4 | 0.0 | 0.0 | 24.2 | 53.1 | 28.4 | 26.0 | |||||
| LSD.05 | NS | NS | NS | 0.7 | NS | NS | NS | NS | 0.2 | 0.3 | 0.4 | NS | NS | NS | 14 | 5 | 33 | 26 | ||||
| 1Yield adjusted to 15.5% moisture. | ||||||||||||||||||||||
| Planting Date = May 17; Harvest Date = October 13 ; Previous Crop = Soybean. | ||||||||||||||||||||||
| Fertilizer Rate lbs/acre = 180 N, 40 P2O5, 157 K2O, 18 S; Irrigation = 8.9 inches. | ||||||||||||||||||||||
| Detailed material and methods | Other corn Studies 2011 | |||||||||||||||||||||
| Corn hybrid performance trial dry land | ||||||||||||||||||||||
| Oakes Irrigation Research Site | Corn hybrid performance trial irrigated | |||||||||||||||||||||
| Home page | Report 2011 | Corn late planting date and relative maturity study | ||||||||||||||||||||
| Corn row width and hybrid study | ||||||||||||||||||||||
| Green snap in corn | ||||||||||||||||||||||
| Stover removal corn corn rotation | ||||||||||||||||||||||
| Strip-tilled continuous corn N rate | ||||||||||||||||||||||
| Strip-tilled corn N rate soybean rotation | ||||||||||||||||||||||