For more information about worm composting, contact OSU Extension Services Compost Specialists, or attend a worm composting demo.
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Another process that works well with kids is harvesting compost by the “dump and sort” method. Dump the contents, worms and all, on a surface. Divide the castings into several cone shaped piles. Wait ten minutes and start pulling the castings away from each pile. This will cause the worms to retreat to the center to avoid light. Repeating this process will result in a ring of castings surrounded by a pile of worms, which can be returned to the bin along with new bedding to begin the process all over again.