Demonstration Site
The Soil Health Demonstration site is located on the NE 1/4 of Section 24 T143N R96W Dunn County, North Dakota of the Dickinson Research and Extension Center near Manning, ND. The site is bordered on the east by ND State Highway 22, and is approximately 2 miles south of Manning, or 11 miles south of Killdeer, or 22 miles north of Dickinson, ND. The site is divided into eight fields with between 13 and 19 acres of cropland. Part of fields 3 and 6 are in permanent grass.
For
the most recent photo of each field, click the field number at right
1
2
3
4
5
6
7
8

Planned Cover Crop Mixtures
Field 1: Sunflower (.4#/ac.), Forage Radish (.8#/ac.), Turnip (.8#/ac.), Cowpea (6#/ac.), Buckwheat (4.8#/ac.), Sweet Clover (.3#/ac.), Red Clover (.5#/ac.), Soybean (4.5#/ac.), Sudan grass (3.5#/ac.) and Millet (2#/ac.).
Field 3: Sunflower (.4#/ac.), Soybean (4.5#/ac.), Cowpea (6#/ac.), Buckwheat (9.6#/ac.), Turnip (.8#/ac.), Forage Radish (.8#/ac.) and Sudan grass (7#/ac.).
Field 4: Lentil (9#/ac.), Turnip (.8#/ac.), Canola (.5#/ac.), Pea (10#/ac.), Forage Radish (.8#/ac.), Oat (12#/ac.) and Millet (3#/ac.).
Field 5: Sunflower (.4#/ac.), Soybean (4.5#/ac.), Cowpea (6#/ac.), Buckwheat (9.6#/ac.), Turnip (.8#/ac.), Forage Radish (.8#/ac.) and Millet (4#/ac.).
Below is the extended crop rotation for the demonstration.
Some crops will be substituted for others during the first few years to get the
rotation started.


| Map Unit Symbol | Map Unit Name | Acres | Percent |
|---|---|---|---|
| 101B |
Amor-Shambo loams, 3 to 6 percent slopes |
17.1 | 12% |
| 101C |
Amor loam, 6 to 9 percent slopes |
9.7 | 7% |
| 102 |
Shambo loam, 0 to 2 percent slopes |
3 | 2% |
| 33 |
Grail silt loam, 0 to 2 percent slopes |
6.2 | 4% |
| 47B |
Moreau silty clay, 3 to 6 percent slopes |
5.1 | 4% |
| 52C |
Morton-Dogtooth silt loams, 6 to 9 percent slopes |
0.1 | 0% |
| 58 |
Regent silty clay loam, 0 to 3 percent slopes |
14.4 | 10% |
| 61B |
Regent-Dogtooth silty clay loams, 0 to 6 percent slopes |
46.8 | 34% |
| 61C |
Regent-Dogtooth silty clay loams, 6 to 9 percent slopes |
0.3 | 0% |
| 81B |
Vebar-Parshall fine sandy loams, 0 to 6 percent slopes |
6.9 | 5% |
| 81C |
Vebar-Parshall fine sandy loams, 6 to 9 percent slopes |
20.7 | 15% |
| 9D |
Amor-Cabba loams, 9 to 15 percent slopes |
7.6 | 6% |
| Total: | 137.9 |
For additional soils information for the demonstration site, you can identify it as an area of interest on Web Soil Survey.