Agroecoregion: Wetter Blue Earth Till
Agroecoregion Characteristics Area (ac)* Percentage
Major Watersheds Blue Earth River 342,004 39.4
  Watonwan River 302,894 34.9
  Middle Minnesota River 175,177 20.2
  Cottonwood River 47,681 5.5
       
Counties Martin 303,037 34.9
  Brown 173,905 20.0
  Watonwan 152,416 17.6
  Blue Earth 76,763 8.9
  Cottonwood 75,063 8.7
  Jackson 60,572 7.0
  Faribault 25,984 3.0
       
Slope Steepness 0-2 Percent 408,531 47.1
  2-6 Percent 454,302 52.4
  2-12 Percent 3,280 0.4
  Water 1,643 0.2
       
Internal Drainage Poorly drained 399,493 46.0
  Poor/Improved by tiling 9,949 1.2
  Well drained 456,671 52.6
  Water 1,643 0.2
       
Erosion Potential Extreme 0 0
  Very Severe 0 0
  Severe 127,989 15
  Very High 378,531 44
  High 87,467 10
  Moderate 273,768 32
  Slight 0 0
       
Proximity to Water Lake Shoreline 41,086 4.7
  Permanent River 51,023 5.9
  Intermittent River 73,764 8.5
  Drainage Ditches 67,530 7.8
  Water 1,643 0.2
  Landlocked 632,710 72.9
       
Geomorphology Blue Earth Till Plain (066) 838,753 96.7
  Minnesota Valley Outwash (032) 13,316 1.5
  Wells-Rush River Ground Moraine (042) 11,587 1.3
  Blue Earth-Garden City Ground Moraine (044) 3,460 0.4
  Minnesota Lake Plain (046) 640 0.1
       
Crop Productivity Low productivity 506 0.1
  Medium productivity 248,294 28.6
  High productivity 618,955 71.3
       
Precipitation Between 26-28 inches 152,918 17.6
  Between 28-30 inches 513,701 59.2
  Between 30-32 inches 201,137 23.2
       
Growing Degree Days 1750-2000 Degree Days 12,488 1.4
  2000-2250 Degree Days 80,033 9.2
  2250-2500 Degree Days 234,586 27.0
  2500-2750 Degree Days 540,648 62.3
       
* Expressed as acres or percent for agroecoregions area in the Minnesota River Basin


Last Updated on 11/2/97
By Ananda Mallawatantri
Email: ananda@soils.umn.edu