| 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. Strip-till, corn on soybean, nitrogen rate study at the Oakes Irrigation Research Site in 2012. | |||||||||
| Grain1 | Harvest | Test | Ear | Mature | |||||
| Yield | Moisture | Weight | Population | Height | Date | ||||
| Row Width | bu/ac | % | lb/bu | plants/ac | ------inches-------- | ||||
| 15 | 262.3 | 15.8 | 59 | 37319 | 48.3 | 9/23 | |||
| 30 | 257.5 | 16.0 | 59.017 | 33327 | 47.2 | 9/23 | |||
| Mean | 259.9 | 15.9 | 59.0 | 35323 | 47.8 | 9/23 | |||
| CV% | 2.2 | 1.5 | 0.7 | 6.0 | 2.1 | ||||
| LSD.05 | NS | NS | 0.4 | 2427 | NS | ||||
| Hybrid | |||||||||
| W7320 | 265.2 | 17.2 | 59.0 | 33116 | 45.9 | 9/26 | |||
| P9917A | 253.4 | 16.5 | 59.1 | 35656 | 49.9 | 9/22 | |||
| DKC43-27 | 261.2 | 14.1 | 59.0 | 37198 | 47.5 | 9/22 | |||
| CV% | 5.7 | 3.1 | 0.9 | 4.2 | 4.0 | ||||
| LSD.05 | NS | 0.8 | 0.9 | 2398 | NS | ||||
| Row by Hybrid | |||||||||
| 15 W7320 | 267.0 | 17.0 | 59.0 | 34658 | 46.2 | 9/26 | |||
| 15 P9917A | 254.3 | 16.3 | 59.1 | 38469 | 50.6 | 9/22 | |||
| 15 DKC4327 | 265.7 | 14.1 | 58.9 | 38831 | 48.2 | 9/22 | |||
| 30 W7320 | 263.4 | 17.3 | 58.9 | 31573 | 45.7 | 9/26 | |||
| 30 P9917A | 252.6 | 16.6 | 59.1 | 32843 | 49.2 | 9/22 | |||
| 30 DKC4327 | 256.6 | 14.1 | 59.1 | 35565 | 46.8 | 9/22 | |||
| 1Yield adjusted to 15.5% moisture. | |||||||||
| Planting Date = May 9; Harvest Date = October 4; Previous Crop = potato. | |||||||||
| Fertilizer rate lb/acre = 206 N, 41 P2O5, 49 K2O, 22 S, 2 Zn; Irrigation = 16.4 inches. | |||||||||
| Detailed material and methods | |||||||||
| Oakes Irrigation Research Site | |||||||||
| Variety trials | Crop index | Home page | Report 2012 | ||||||
| Other corn Studies 2012 | |||||||||
| Corn hybrid performance trial dryland | |||||||||
| Corn hybrid performance trial irrigated | |||||||||
| Stover removal corn corn rotation | |||||||||
| Stover removal corn soybean rotation | |||||||||
| Strip-tilled corn N rate corn corn rotation | |||||||||
| Strip-tilled corn N rate corn soybean rotation | |||||||||