What is Mushroom compost?
Mushroom compost is the left over compost waste by the mushroom production industry. It is an organic fertilizer. It is a mixture of hay, straw, corn cobs, hulls and animal manure. Some types also include gypsum in it. Production of mushroom compost is a multi-step process. It is initiated by soaking bails of straw in water, which is then run through a chipper that refines it. The manure and gypsum are blended together before straw is added. Hot compost piles are used to place this mixture in them. They are then turned and watered regularly. During the initial stages, any remaining weed seeds are eradicated, and the piles are turned into long rows. Before the mushroom growth, the compost is steam pasteurized so that any bacteria or weed seeds that might have found their way in during the composting phases can be killed. The pasteurization results in sterilization of this manure and gypsum blend and creates a clean material as an output. Mushroom composting takes about a month i...