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Maple Tap Sanitation Research 2010

This research study compares the effectiveness of vacuum and gravity systems in maple tap sanitation. Results show a significant increase in sap yield and overall productivity with the vacuum system. Cost evaluation and investment returns are also discussed.

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Maple Tap Sanitation Research 2010

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  1. Maple Tap Sanitation Research 2010 Stephen Childs NYS Maple Specialist

  2. Vacuum Results 2010

  3. Average Increase 151%

  4. Average Increase 151%

  5. Average Increase 114%

  6. Average Increase 114%

  7. Average Increase 38%

  8. Cost Evaluation • New check valve sap yield – 15.6 gallons of sap = .36 gallons of syrup or $18.14 at $50 per gallon of syrup • 2nd year check valve sap yield – 10.8 gallons = .25 gallons of syrup or $12.33 at $50 per gallon of syrup • $18.14 - $12.33 = $5.81 gross return • Investment $.35

  9. Cost Evaluation • New check valve sap yield – 15.6 gallons of sap = .36 gallons of syrup or $18.14 at $50 per gallon of syrup • Old tap and drop sap yield – 7.9 gallons = .18 gallons of syrup or $9.18 at $50 per gallon of syrup • $18.14 - $9.18 = $8.96 gross return • Investment $.35

  10. Increase of 67%

  11. 16% increase

  12. Averaged 7.9 gallons per tap on old tap and drop reps

  13. Average 84% Increase in sap yield

  14. Gravity System Research Results • For sanitation practices compared the difference between a sanitation spout on a new vs. an old drop line.

  15. 18% increase

  16. 17% increase

  17. 13% Difference

  18. 76% increase

  19. Gravity vs. Vacuum Gravity Vacuum North orientation Used vacuum booster canisters for measurement Averaged ~15” vacuum Vacuum runs 24-7 but with many service interruptions and at each measurement • Two woods within sight of each other. This woods is ~50’ higher elevation • East orientation • Average larger trees than where vacuum is • Reps can be fairly flat to very steep

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