The answer of this question is yes.
The red worms (Eisenia fetida) are extremely fond of mushroom mycelia.
They can easily be generated on home waste, including spent mushroom blocks.
Spent mushroom block is essentially fully colonized with mycelium , a worm’s favorite food source.
The sweet smell of metabolites in the spent block lure worms from afar to make a home and breed in the nutrient rich substrate.
Although spent mushroom substrate or mycelium colonized cardboard is super food for worms.
The worm need fine sand or grit to process the food they eat, grinding up in their gizzard much as birds do.
A small mount of your native soil mixed in with the substrate or cardboard will improve the health of the worms and thereby the speed the rate at which they produce castings. Using your native soil can also supply a dose of beneficial bacteril microbes that the worms gut bacteria need, giving your worm casting rich, beneficial properties.
Using your native soil four your worm composting additive ensures that the many symbiotic nuances are preserved and perpetuated throughout your operation.
