nostr:npub1r3u9x35tp76ejukzt775ysgqr9r299cfqe6f35l5ms5a9ay9qypqlnsrva earthworms turn carbon into nitrogen that the plants eat. 

We don't post any more that kind of information about Earthworms because of the Americans who are going to troll. 

But the truth is even in America every market gardener knows for a fact that you can count the fertility of a bed according to the number of earthworms.