Iowa Demonstration Site

Crawfordsville

  • Operator: Farmer Association
  • Demonstration Site: 50 acres with 4, 6-7 acre pairs
  • System: Managed and conventional drainage - 60 ft. spacing at 4th depth,
    shallow drainage - 40 ft. spacing at 2.5 ft. depth, and no drainage
  • Crop: Corn/ soybean rotation
  • Yield: Association monitoring
  • Watershed: Lower Iowa River, HUC-8
  • Soil type: Silty clay loam




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The Conservation Innovation Grant (CIG) data collected and posted on this website is the property of the Agricultural Drainage Management Coalition (ADMC) and it’s Collaborators. The data collected is preliminary in nature, and at the conclusion of the demonstrations, ADMC will present a complete report on the environmental effectiveness and crop productivity of the demonstration projects. The use, reproduction, or reprinting of information and graphs (except for personal viewing) is prohibited without the written consent of ADMC or its agents.