He learned lessons along the way, such as the appropriate compost to feed to the red wriggler worms that keep his soil clean and healthy. (booklistonline.com)
Suspended in specially - developed grow bags arranged in vertical rows, red wriggler worms are the crux of the system, adding rich nutrients to the process. (treehugger.com)
Spooning pile after pile of meaty wrigglers into her palm, Kaya tosses a few into her mouth, then lets out a happy sigh. (canadianbusiness.com)