It takes six months for a vermicompost bed to become fully mature, by which time a million worms roam the manure. Mr. Chambers continues to add two yards of manure and harvest one yard of worm compost weekly. The finished product is shaved, an inch at a time, off the bottom of the bin. An established bed can go on this way for years.
Worms Produce Another Kind of Gold for Farmers - NYTimes.com
Growing A Jeweled Rose: What's so Great About Worms?
Reading guru Professor Nana reviews MARTY MCGUIRE DIGS WORMS with a suggested NF pairing
Read about how author Kate Messner set up a vermicomposting bin in her family's basement as research for MARTY MCGUIRE DIGS WORMS.
MARTY McGUIRE DIGS WORMS! by Kate Messner, illus Brian Floca. "Messner gets all the details of third grade right [and] Floca's black-and-white sketches are filled with movement and emotion...Believable and endearing characters in a realistic elementary-school setting will be just the thing for fans of Clementine and Ramona." --KIRKUS
Uncle Jim's Worm Farm - Where you can order composting worms and supplies for your home or classroom!
Vermicomposting: Composting with Worms, from the University of Nebraska-Lincoln