I would like to add worm castings to my soil mix but am wondering how much to add. I have read that they are a good organic fertilizer. If I do add worm castings should I then fertilize as normal or cut back on my fertilizing schedule?
the casting do add some nutrients to the soil, but not enough to make you stop fertilizing, adn for how much i would make it about 1/3 or half worm castings.