Spent mushroom substrate is the composted organic material remaining after a crop of mushrooms is harvested.
Product Composition
Mushrooms are grown in a mixture of natural products, including horse-bedded straw, hay, poultry manure, ground corn cobs, cottonseed hulls, gypsum and other substances
Product Benefits
Improves water holding capabilities, soil texture, drainage and adds nutrients with its organic material.
If used as a mulch, it also controls weeds and helps the soil to retain water during dry weather
