| 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 | ||||||||||||
| Optimal Corn stalk Removal for Biofuel and the Environment | |||||||||||||
| Soil | Chloropyll | ||||||||||||
| Stalk | Grain1 | Harvest | Test | Stalk | Stalk2 | Nitrate-N | Meter Reading | Stalk | Silk | Mature | |||
| Removal | Yield | Moisture | Weight | Removal | Addition | Fall 2009 | 8/3 | 8/20 | Population | Nitrate-N | Ear/Plant | Date | Date |
| % | bu/ac | % | lb/bu | ton/ac | ton/ac | lb/ac | plant/ac | ppm | |||||
| 0 | 199.5 | 33.5 | 50.8 | 0.0 | 8.0 | 17 | 52.7 | 53.5 | 38986 | 424 | 0.99 | 7/29 | 10/19 |
| 33 | 205.8 | 31.9 | 52.0 | 2.8 | 5.0 | 17 | 53.0 | 55.0 | 39966 | 331 | 1.00 | 7/29 | 10/18 |
| 67 | 206.2 | 32.1 | 51.3 | 4.0 | 3.0 | 14 | 53.8 | 55.2 | 39313 | 353 | 1.00 | 7/27 | 10/16 |
| 100 | 209.4 | 29.2 | 53.3 | 6.3 | 0.0 | 16 | 53.3 | 55.0 | 40075 | 477 | 0.98 | 7/26 | 10/17 |
| Mean | 205.2 | 31.7 | 51.8 | 3.3 | 4.0 | 16 | 53.2 | 54.7 | 39585 | 396 | 0.99 | 7/28 | 10/17 |
| CV% | 3.7 | 3.2 | 0.9 | 10.3 | 0.0 | 18 | 2.9 | 1.2 | 4 | 68 | 2.67 | ||
| LSD.05 | NS | 1.6 | 0.7 | 0.5 | NS | NS | NS | 1.018 | NS | NS | NS | ||
| 1Yield adjusted to 15.5% moisture. | |||||||||||||
| 2Amount of corn stover added in spring 2008 as all stover was removed in fall of 2008. | |||||||||||||
| Plots were strip-tilled using an Orthman 1tRIPrAR strip-till machine. | |||||||||||||
| Planting Date = May 12; Harvest Date = October 19; Previous Crop = Corn. | |||||||||||||
| Fertilizer Rate lb/acre = 200 N, 40 P2O5, 17 S; Irrigation = 9.5" | |||||||||||||
| Go to detailed material and methods | |||||||||||||
| Go to Oakes Irrigation Research Site Variety Performance Trials | |||||||||||||
| Go to Oakes Irrigation Research Site crop index | |||||||||||||
| Go to Oakes Irrigation Research Site 2009 Annual Report | |||||||||||||
| Go to Oakes Irrigation Research Site home page | |||||||||||||