Agroecoregion: Olivia Till
Agroecoregion Characteristics Area (ac)* Percentage
Major Watersheds Hawk Creek-Yellow Medicine River 466,916 34.2
  Middle Minnesota River 290,020 21.2
  Chippewa River 200,080 14.7
  Upper Minnesota River 198,371 14.5
  Pomme De Terre River 120,869 8.9
  Lower Minnesota River 88,895 6.5
       
Counties Renville 409,296 30.0
  Nicollet 182,049 13.3
  Big Stone 173,414 12.7
  Swift 139,538 10.2
  Kandiyohi 124,093 9.1
  Chippewa 110,676 8.1
  Stevens 88,846 6.5
  Sibley 46,458 3.4
  Grant 41,368 3.0
  Traverse 19,896 1.5
  Pope 17,828 1.3
  Douglas 11,653 0.9
  Le Sueur 37 0.0
       
Slope Steepness 0-2 Percent 195,743 14.3
  2-6 Percent 327,586 24.0
  2-12 Percent 123,601 9.1
  6-12 Percent 706,341 51.7
  6-45 Percent 6,869 0.5
  Water 5,012 0.4
       
Internal Drainage Poorly drained 67,080 4.9
  Poor/Improved by tiling 444,590 32.6
  Well drained 848,470 62.2
  Water 5,012 0.4
       
Erosion Potential Extreme 0 0
  Very Severe 0 0
  Severe 99,829 7
  Very High 343,255 25
  High 223,263 16
  Moderate 698,804 51
  Slight 0 0
       
Proximity to Water Island Shoreline 79 0.0
  Lake Shoreline 63,553 4.7
  Permanent River 48,605 3.6
  Intermittent River 169,128 12.4
  Drainage Ditches 138,819 10.2
  Landlocked 939,956 68.9
  Water 5,012 0.4
       
Geomorphology Olivia Till Plain (064) 676,899 49.6
  Big Stone Moraine (051) 426,626 31.3
  Waconia-Waseca Moraine (034) 215,436 15.8
  Wells-Rush River Ground Moraine (042) 9,450 0.7
  Graceville Till Plain (02E) 9,139 0.7
  Alexandria Moraine Complex (003) 7,837 0.6
  Minnesota Valley Outwash (032) 6,375 0.5
  Arlington-Matowan Ground Moraine (043) 6,145 0.5
  Appleton-Clontarf Outwash Plain (065) 5,928 0.4
  Benson Lacustrine Plain (050) 1,183 0.1
  Fergus Falls Till Plain (002) 99 0.0
  Clayey Olivia Till Plain (64A) 35 0.0
       
Crop Productivity Low productivity 44,230 3.2
  Medium productivity 966,783 70.8
  High productivity 354,139 25.9
       
Precipitation Between 22-24 inches 146,271 10.7
  Between 24-26 inches 298,517 21.9
  Between 26-28 inches 529,232 38.8
  Between 28-30 inches 337,545 24.7
  Between 30-32 inches 53,587 3.9
       
Growing Degree Days 1750-2000 Degree Days 35,605 2.6
  2000-2250 Degree Days 246,894 18.1
  2250-2500 Degree Days 778,361 57.0
  2500-2750 Degree Days 304,292 22.3
       
* 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