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Pee-cycling

Pee-cycling. A PROJECT BY CHRIS MONDON AND JONATHAN VALENTINE. purpose. This idea was based off a project by the Rich Earth Institute in Battleboro , Vermont dedicated to advancing and promoting the use of human waste as a resource

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Pee-cycling

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  1. Pee-cycling A PROJECT BY CHRIS MONDON AND JONATHAN VALENTINE

  2. purpose • This idea was based off a project by the Rich Earth Institute in Battleboro, Vermont • dedicated to advancing and promoting the use of human waste as a resource • Designed a similar project to see if human urine is an effective fertilizer for plants

  3. concept • Nitrogen Cycle • Animals receive nitrogen from plants • Waste left from animal contains nitrogen • Bacteria in the soil “fix” nitrogen in the soil to be used by the plants

  4. MEthods • We consulted with Jack Kubicki, who had some knowledge in pee-cycling, and helped us design the experiment • We collected 8 cups of human urine from our fellow fraternity brothers • We let the urine boil for 20 minutes • Diluted the urine with water to a 10:1 ratio until we obtained a PH level of 5-6

  5. Methods • We chose two patches of grass outside of our house • The grass was measured before we added anything • ~2.74 inches • Randomly measured four different spots and took the average length • Patch #1 we watered only • Patch #2 we applied urine/fertilizer mix • We did this twice a day, once in the morning and once in the evening for 10 days • Re-measured at the end of the 10 days

  6. results • After measuring the grass • Patch #1: ~3.23 inches (grew ~.5 inches) • Patch #2: ~3.65 inches (grew ~.9 inches) • We found that Patch #2 was a taller at the end • Also, we noticed that Patch #2 was slightly a darker green • This experiment has much potential, however we had a difficult time being able to effectively run the experiment due to the unpredictable Ohio weather

  7. Final Thoughts • Pee-cycling has potential to become a way to re-use our human waste • We feel that a larger-scale experiment with more time would have shown more conclusive results than we achieved • We could not find accurate information how much or how frequently to treat it, and wonder if that could of led to different results.

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