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21. Cover Crop Innovations

Advanced cover cropping strategies for specific goals and how to evaluate them. Grower Panel: Dan Petker, Petker Farms and Rick Kootstra, Kootstra Farms

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21. Cover Crop Innovations

  1. 1. COVER CROP INNOVATIONS EOCC 2020
  2. 2. WHERE WE FARM…
  3. 3. ABOUT OUR FARM • Third generation • Corn,soy,wheat, hay,some hort • All acres see minimal iron • Organic amendments are hard to come by.
  4. 4. FUNCTIONAL COVERS
  5. 5. EROSION CONTROL
  6. 6. DEALING WITH EROSION IN SOYS
  7. 7. FIE LD SC ALE GRASS-WATERWAYS January 1st,2020
  8. 8. MANAGE EXPECTATIONS
  9. 9. NITROGEN • Red clover in winter wheat is standard • 25-35# N credit following year (Is it worth anything?) • Definite increase in soil tilth
  10. 10. MAKING RED CLOVER WORK
  11. 11. VALUE OF THE N CREDIT & CLOVER Red Clover $/ac N Credit Range 28% Equiv $/ac Application 5.00$ 25#/ac 8.4 gallon 13.41$ Seed (12#) 24.00$ to or Total Cost 29.00$ 35#/ac 11.7 gallon 18.68$ N Credit Value: -$10.32/ac to -$15.59/ac Ignore the N Credit… bu/ac Sale Price $/ac Clover Value Corn Yield With Red Clover 245 1,225.00$ 96.00$ 5$/bu Corn Yield w/out Red Clover 220 1,100.00$ -$
  12. 12. CHASE SOME IDEAS
  13. 13. PLANT BUCKWHEAT…
  14. 14. … FOR PHOSPHOROUS • Buckwheat also suppresses wireworm • Roots act as shallow,aggressive tillage • Beekeepers come knocking
  15. 15. FIELD COVERED, READY FOR SPRING
  16. 16. BUCKWHEAT, CORN YIELDS & SOMETHING ELSE Buckwheat Oats Yield Diff Soil Analysis 242.7 234.1 8.6 232.5 233.8 -1.3 P Bicarb 13 231.2 224.9 6.3 P Bray 19 228.2 223.2 5 SOM 2.6 218.6 214.6 4 CEC 12.8 213.4 206.4 7 227.8 222.8 4.9 K Rate Yield/ac K$/ac Net $ Return/K$ Soil Analysis 400 238.4 $ 87.98 $ 1,104.02 $ 12.55 350 233.2 $ 76.98 $ 1,089.02 $ 14.15 K ppm 120 300 228.1 $ 65.99 $ 1,074.51 $ 16.28 %K 2.4 250 225.7 $ 54.99 $ 1,073.51 $ 19.52 $/MT Potash $ 485.00 200 216.6 $ 43.99 $ 1,039.01 $ 23.62 Bu Price $ 5.00 150 209.9 $ 32.99 $ 1,016.51 $ 30.81
  17. 17. TARGETING COMPACTION
  18. 18. COVERS IN HORTICULTURE
  19. 19. GOING FORWARD • Sunflower/buckwheat/winter barley biostrips (Boron & Phos for corn) • 60” corn for better establishment of covers,to generate more C • 80’ wide perennials around fields margins • More living roots through-out the year
  20. 20. THANK YOU FOR YOUR TIME! @PetkerFarm

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