Homemade Phosphorus Fertilizer

Using the proper fertilizer can greatly increase crop yield.
Using the proper fertilizer can greatly increase crop yield. (Image: billes d'engrais 4 image by Nathalie P from Fotolia.com)

Homemade phosphorus fertilizer is a great way to get the most out of a garden or orchard. There are quite a few recipes available, but this particular one is completely organic and very cost-effective to produce. The mixture will last for a number of years if it is kept dry.

Things You'll Need

  • Large plastic garbage can with snap-on lid
  • 4 lb. seed meal
  • 1 lb. dolomite lime
  • 1/2 lb. bone meal or 1 lb. soft rock phosphate
  • 1/2 lb. kelp meal
  • Gloves
  • Dust mask

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Organic Homemade Phosphorus Fertilizer

Clean and dry the garbage can. Any contaminates or moisture will degrade the quality and shelf life of the mixture.

Put on a dusk mask and pour the ingredients into the garbage can.

Mix the ingredients together thoroughly. The best method is using gloved hands for initial mixing and then shaking and tossing the garbage can until the mixture is even.

Seal the garbage can with the snap-on lid.

Store in a cool, dry place until the fertilizer is needed.

Tips & Warnings

  • This recipe can be scaled by replacing the "pounds" with "parts." Securely fasten the garbage can lid to prevent moisture from ruing the stored fertilizer.


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