How to Dry Banana Peels for Fertilizer

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All plants require nutrients to thrive, which many gardener supply in the form of a fertilizer. While there are many commercial fertilizers, some organic items, such as banana peels, provide the same nutrients. According to the Orland Sentinel, banana peels provide 40 percent potassium and 3 percent phosphorus to plants when incorporated into the soil. Drying banana peels creates a dry fertilizer that stores much longer than fresh peels, which can mold.

Things You'll Need

  • Bricks or cinder blocks
  • Window screens
  • Banana peels
  • Food processor
  • Air-tight container
  • Monitor the weather report for a period of three to four days when outdoor temperatures are 86 degrees Fahrenheit or warmer. Slightly windy days with humidity below 60 percent will speed the drying process.

  • Locate an outdoor location that is in full sunlight for at least six hours of the day and place four bricks or cinder blocks in the area, arranging them in a square.

  • Place a window screen on top of the blocks so it is elevated. Use a screen with fiberglass mesh instead of metal.

  • Pull open the banana peels so you have single long strips. Lay the peels on top of the screen so none of them are touching.

  • Lay another screen on top of the peels to prevent birds and other animals from dragging them off. Leave the peels in place until nightfall.

  • Pick up the screens and move them to an indoor location at night, since the cooler temperatures may result in condensation that slows down the drying.

  • Move the screens and banana peels back outside the next morning. Repeat the process until the peels are completely dry, which takes three to four days.

  • Once the peels are dry, place the peels into a food processor and grind them up into small pieces. Store the ground peels in an air-tight container until ready to fertilize plants.

Tips & Warnings

  • You can also dry the peels in an oven set to a temperature of 160 degrees Fahrenheit for 30 minutes.
  • You need approximately 5 pounds of dried banana peels for every 100 square feet of soil to see benefits in plants.

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References

  • Photo Credit Jupiterimages/Photos.com/Getty Images
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