Midwest Permaculture website shares how to make a homemade PVC Worm Tower. By placing a Worms Tower in your garden it is a great way to attract the worms, feed them and they leave their worm casings behind. Worm casings fertilizes the soil deep down where it is needed most.
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Worm Tower – Drill lots of holes in a pvc pipe. Bury all but 6 inches in garden. Place kitchen scraps in the hole. Worms will come in and eat and then transfer the “goodies” throughout the garden.