
Types of Worm Bins
Stacking tray systems have multiple nesting trays with grid bottoms that
sit above a liquid collection try. These systems offer a harvesting
method aimed to minimize hand-sorting of vermicompost from worms and
decomposing organic matter. Worms are fed in one tray until it is full,
then the next (empty) tray is set on top. Worms move upward toward
the available food. When the uppermost try is full, the lowest can
be removed, emptied, and the vermicompost (or castings) used.
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