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Maximizing Irrigation Value for Optimal Crop Yields

Learn how to manage irrigation efficiently by monitoring pond levels, crop needs, and water use, to enhance crop growth and prevent water wastage and soil runoff.

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Maximizing Irrigation Value for Optimal Crop Yields

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  1. Maximizing the value of Irrigation Kris Kohl ISU Extension Ag Engineer

  2. Managing a Runoff Basin • Dictated by pond level • Applied on wet soil • Light as possible to reduce negative impact

  3. Managing pond level • Dictated by crop need • Determining crop need • Evapotranspiration (water use) • Temperature and Humidity • Growth stage of the crop

  4. How can we improve our skills • Measure the nitrogen level in pond • Apply water so that we don’t saturate soil • Measure water use from crop • Measure yield at end of year

  5. Water use CornInches per day

  6. Check Book Method

  7. Check Book Method

  8. Check Book Method Goals • Optimize crop yields • Never allow the soil moisture balance to go below 6 inches • Prevent runoff

  9. Gated pipe layout

  10. Offer • Collect sample in June • Determine water use from weather.com site every 2 weeks starting June 1 • 2 site visits during application • Yield check • Cost -$150

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