- Spent mushroom substrate is the composted organic material remaining after a crop of mushrooms is harvested.
- 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
- 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
- 6×4 trailer approximately 0.6666 m3