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Using Cover Crops to Develop Disease Suppressive Soil

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Developing disease suppressive soils is a fascinating area of research, with the potential to completely change how we manage plant diseases in the near future. In this presentation, you will learn more about the factors which allow soils to suppress potential pathogens, how we are better able to manage these influences in the field, and produce soils which can greatly reduce or even eliminate plant infection by a broad range of soil-borne pathogenic organisms. Watch the YouTube video in full here: https://youtu.be/x8NvVUVerPY

Published in: Science
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Using Cover Crops to Develop Disease Suppressive Soil

  1. 1. USING COVER CROPS TO DEVELOP DISEASE SUPPRESSIVE SOIL A Webinar Hosted by AEA Featuring John Kempf
  2. 2. Terrain vs germ theory
  3. 3. Soil can enhance or suppress potential pathogens
  4. 4. Reduced = disease suppressive Oxidized = disease inducing
  5. 5. pH ~ Eh pH 0 7 14 neutral alkalinity acidity Eh 0 28 42 neutral oxidation reduction
  6. 6. Eh 0 28 42 neutral oxidation reduction aerobic anaerobic facultative anaerobes
  7. 7. Developing disease suppressive soils in Idaho potato
  8. 8. Flooded fields after alfalfa incorporation
  9. 9. Two different digestive processes Reduction Oxidation 280 42
  10. 10. Two different digestive processes Saturated soil Ammonium application Soil biology 280 42 Tillage Drought Nitrate application Limestone application Fertilizer applications Reduction Oxidation
  11. 11. Two different digestive processes Tillage Drought Nitrate application Limestone application Fertilizer applications 280 42 Saturated soil Ammonium application Soil biology Reduction Oxidation
  12. 12. Two different digestive processes 280 42 Saturated soil Ammonium application Soil biology Tillage Drought Nitrate application Limestone application Fertilizer applications Reduction Oxidation
  13. 13. Disease suppression is a biological effect
  14. 14. Biological profiles can be altered with redox reactions, or root system symbiosis
  15. 15. Many soils are overly oxidized
  16. 16. Crops with a symbiotic relationship with disease suppressing bacteria
  17. 17. Non GM Corn
  18. 18. forage legumes
  19. 19. oats
  20. 20. buckwheat
  21. 21. Call AEA consultant Jason Stoll to learn more about our disease suppressive programs! (800) 495-6603 ext 300

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