| Agroecoregion: Alluvial and Outwash | |||
| Agroecoregion Characteristics | Area (ac)* | Percentage | |
| Major Watersheds | Chippewa River | 241,077 | 36.8 |
| Upper Minnesota River | 97,125 | 14.8 | |
| Lower Minnesota River | 95,382 | 14.5 | |
| Middle Minnesota River | 95,377 | 14.5 | |
| Watonwan River | 67,742 | 10.3 | |
| Pomme De Terre River | 29,927 | 4.6 | |
| Cottonwood River | 23,665 | 3.6 | |
| Hawk Creek-Yellow Medicine River | 4,700 | 0.7 | |
| Blue Earth River | 1,023 | 0.2 | |
| Counties | Swift | 156,055 | 23.8 |
| Pope | 94,764 | 14.5 | |
| Brown | 54,165 | 8.3 | |
| Watonwan | 50,768 | 7.7 | |
| Blue Earth | 46,868 | 7.1 | |
| Big Stone | 36,541 | 5.6 | |
| Hennepin | 35,934 | 5.5 | |
| Chippewa | 35,341 | 5.4 | |
| Scott | 34,424 | 5.3 | |
| Nicollet | 23,023 | 3.5 | |
| Le Sueur | 20,185 | 3.1 | |
| Lac Qui Parle | 17,880 | 2.7 | |
| Dakota | 12,239 | 1.9 | |
| Ottertail | 8,408 | 1.3 | |
| Stevens | 7,615 | 1.2 | |
| Kandiyohi | 7,454 | 1.1 | |
| Douglas | 6,706 | 1.0 | |
| Sibley | 4,117 | 0.6 | |
| Traverse | 1,803 | 0.3 | |
| Carver | 1,228 | 0.2 | |
| Stearns | 262 | 0.0 | |
| Ramsey | 237 | 0.0 | |
| Slope Steepness | 0-2 Percent | 317,741 | 48.4 |
| 2-6 Percent | 264,021 | 40.3 | |
| 2-12 Percent | 37,277 | 5.7 | |
| 6-12 Percent | 19,063 | 2.9 | |
| 6-45 Percent | 4,108 | 0.6 | |
| 12-45 Percent | 8,941 | 1.4 | |
| Water | 4,866 | 0.7 | |
| Internal Drainage | Poorly drained | 59,307 | 9.0 |
| Poor/Improved by tiling | 221,821 | 33.8 | |
| Well drained | 370,023 | 56.4 | |
| Water | 4,866 | 0.7 | |
| Erosion Potential | Extreme | 1,491 | 0 |
| Very Severe | 4,970 | 1 | |
| Severe | 92,936 | 14 | |
| Very High | 54,171 | 8 | |
| High | 189,350 | 29 | |
| Moderate | 304,650 | 46 | |
| Slight | 8,449 | 1 | |
| Proximity to Water | Island Shoreline | 1,944 | 0.3 |
| Lake Shoreline | 41,805 | 6.4 | |
| Permanent River | 82,244 | 12.5 | |
| Intermittent River | 68,081 | 10.4 | |
| Drainage Ditches | 32,666 | 5.0 | |
| Landlocked | 424,413 | 64.7 | |
| Water | 4,866 | 0.7 | |
| Geomorphology | Minnesota Valley Outwash (032) | 233,509 | 35.6 |
| Appleton-Clontarf Outwash Plain (065) | 223,266 | 34.0 | |
| Belgrade-Glenwood Outwash Plain (063) | 81,636 | 12.4 | |
| Blue Earth Till Plain (066) | 20,494 | 3.1 | |
| Mississippi Valley Outwash (029) | 20,140 | 3.1 | |
| Waconia-Waseca Moraine (034) | 15,274 | 2.3 | |
| Twin Cities Formation (045) | 13,486 | 2.1 | |
| Emmons-Faribault Moraine (35B) | 13,476 | 2.1 | |
| Big Stone Moraine (051) | 9,774 | 1.5 | |
| Detroit Lakes Pitted Outwash Plain (004) | 8,055 | 1.2 | |
| Benson Lacustrine Plain (050) | 5,088 | 0.8 | |
| Alexandria Moraine Complex (003) | 3,154 | 0.5 | |
| Graceville Till Plain (02E) | 2,811 | 0.4 | |
| Blue Earth-Garden City Ground Moraine (044) | 2,712 | 0.4 | |
| Wells-Rush River Ground Moraine (042) | 1,781 | 0.3 | |
| Osakis Till Plain (055) | 1,013 | 0.2 | |
| Fergus Falls Till Plain (002) | 222 | 0.0 | |
| Prior Lake Moraine (35A) | 96 | 0.0 | |
| Clayey Olivia Till Plain (64A) | 30 | 0.0 | |
| Crop Productivity | Low productivity | 223,575 | 34.1 |
| Medium productivity | 267,513 | 40.8 | |
| High productivity | 164,430 | 25.1 | |
| Precipitation | Between 22-24 inches | 9,374 | 1.4 |
| Between 24-26 inches | 240,067 | 36.6 | |
| Between 26-28 inches | 171,798 | 26.2 | |
| Between 28-30 inches | 212,946 | 32.5 | |
| Between 30-32 inches | 21,333 | 3.3 | |
| Growing Degree Days | L.T. 1500 Degree Days | 21,225 | 3.2 |
| 1500-1750 Degree Days | 24,194 | 3.7 | |
| 1750-2000 Degree Days | 33,333 | 5.1 | |
| 2000-2250 Degree Days | 74,782 | 11.4 | |
| 2250-2500 Degree Days | 258,851 | 39.5 | |
| 2500-2750 Degree Days | 243,633 | 37.1 | |
| * Expressed as acres or percent for agroecoregions area in the Minnesota River Basin | |||