近年来，河北卢龙县部分农户利用棉籽皮，高粱壳、花生皮、玉米轴等原料，在冬季利用半地下双膜自然暖棚生产平菇。１０平方米暖棚投料５００公斤，可产平菇７５０多公斤。按每公斤平菇平均价２．６元计算，纯收入１３００多元。暖棚土地利用率按５０％计算，折合公顷收入... In recent years, some farmers in Lulong County, Hebei Province, use cottonseed skins, sorghum shells, peanut skins, corn shafts and other raw materials to make mushrooms in semi-underground double-film natural warm shed in winter. 10 square meters greenhouse feeding 500 kilograms, can produce more than 750 kilograms of mushrooms. According to the average price of mushroom 2.6 yuan per kilogram, the net income of more than 1300 yuan. Greenhouse land utilization by 50%, equivalent to ha income ...