平菇是木腐菌,分解纤维素、半纤维素、木质素、淀粉等复杂有机大分子的能力特别强。平菇可利用的氮源有蛋白质、氨基酸等有机氮,也能利用无机氮,如硫酸铵、硝酸铵、磷酸铵、尿素等。段木枝条、木屑、树叶、棉籽皮、棉秆、稻草、谷糠、酒糟、糖渣、蔗渣、废纸等工农业副产品和废 Mushroom is a wood rot fungus, decomposition of cellulose, hemicellulose, lignin, starch and other complex organic macromolecules particularly strong. Pleurotus ostreatus available nitrogen sources are proteins, amino acids and other organic nitrogen, also can use inorganic nitrogen, such as ammonium sulfate, ammonium nitrate, ammonium phosphate, urea and so on. Segment wood, sawdust, leaves, cottonseed skins, cotton stalks, straw, bran, distiller’s grains, sugar residue, bagasse, waste paper and other industrial and agricultural by-products and waste