Mineral-specific effects on humification and bacterial community succession in industrial-scale spent mushroom substrate composting
Spent mushroom substrate (SMS) is a lignocellulose-rich agricultural by-product whose slow humification can limit the quality and agronomic value of the resulting compost. This study compared four low-cost mineral amendments: shale powder (S), mullite-based soil conditioner (SC), flue-gas desulfurization gypsum (DG), a...