Mushroom Compost is a totally organic, dark, rich, moist mixture of wheat straw, peat moss, cottonseed meal, cottonseed hulls, corncobs, cocoa bean shells, gypsum, lime, chicken litter and/or horse stable bedding. This combination of ingredients is used in commercial mushroom farms to grow mushrooms. These materials are composted for many weeks and then placed into a huge room, where it is completely sterilized. After the sterilization is complete, the compost is then placed into growing trays, where the mushroom growing cycle begins. Strangely enough... (click here to continue)