Worms Produce Another Kind of Gold for Growers
By JIM ROBBINS
Published: December 31, 2012
SONOMA, Calif. — Under rows of old chicken sheds, Jack Chambers has built an empire of huge metal boxes filled with cattle manure and millions of wriggling red worms.
A version of this article appeared in print on January 1, 2013, on page D4 of the New York edition with the headline: Worms Produce Another Kind of Gold for Growers.