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2011 Maple Tubing and Taphole Sanitation Research

Research conducted by Stephen Childs, Cornell University's Maple Specialist, funded by the New York State Farm Viability Institute, shows significant improvements in sap yield through advanced tubing and taphole sanitation techniques. Results indicate a substantial increase in sap flow, with newer equipment outperforming older methods. Vacuum systems prove to be more efficient, leading to a higher sap yield per tap.

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2011 Maple Tubing and Taphole Sanitation Research

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  1. 2011 Maple Tubing and Taphole Sanitation Research Stephen Childs New York State Maple Specialist Cornell University Research funded by the New York State Farm Viability Institute

  2. 120% or 2.2 times, 14.1 more gallons of sap per tap

  3. 101% or 2 times increase 10.2 more gallons of sap per tap

  4. 72% or 1.7 times or increase of 8.8 more gallons of sap per tap

  5. 31% or 1.3 times more sap flow Improvement 3.9 more gallons of sap per tap

  6. 6% difference Older tubing produced .8 more gallons per tap (22” vacuum)

  7. 28% or 1.3 times more sap, 4.7 gallons more sap per tap

  8. 18% increase Not scientifically significant

  9. 133%, 2.4 times or 6.5 more gallons per tap

  10. New spout and drop produced 21% or 1.8 more gallons of sap per tap than a check valve and old drop

  11. 100% or 4 gallons per tap increase in sap yield

  12. 2010 17% increase

  13. 26% difference Not scientifically significant

  14. Vacuum vs. Gravity • Vacuum levels usually 16” – 17”

  15. 151% increase, 2.5 times more Sap or 15.6 more Gallons of sap Per tap 16” vac

  16. 110% increase, 2.1 times more Sap or 5.3 more Gallons of sap Per tap 16” vac

  17. 140% increase, 2.4 times more Sap or 11.9 more Gallons of sap Per tap 16” vac

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