Palaces For The People
Monday, September 22, 2003
LINKS: Worm Castings (Vermicompost) Fertilizer Value:
"Worm Castings (Vermicompost) Fertilizer Value
This is a collection of website links for earthworm castings (vermicompost) nutrient value as fertilizer and soil amendments. Obviously, earthworms cannot do transmutation from one element to another, so the tested values reflect the feedstock input into the earthworm colony. Yelm wormfarm uses primarily dairy cow manure, which incorporates alfalfa and clover hays for trace minerals not found in the same quantities in other tested worm castings. This is the reason that there can be so much variation in test results. An overall average from many sources gives a sense of the usual expectations one should have when using worm castings as soil amendments or fertilizer. "