山东省青州市弥河镇境内沟墼纵横,仅深10米以上、长1公里以上的荒沟就有近百条。从去年春天开始,当地农民在政府的支持下,在荒沟内打洞种双孢菇。农民先在高地面7米处的沟内打洞,洞长一般为60～80米,高宽各2米左右。洞打好后在里面装上电灯,修好洞门,留好通气孔,然 Mihe Town, Qingzhou City, Shandong Province ditch vertical and horizontal ditch, only 10 meters deep, more than 1 km long ditch there are nearly one hundred. Since the spring of last year, local peasants have been planting holes of Agaricus bisporus in Huangrang with the support of the government. Peasants first in the high ground 7 meters at the ditch holes, hole length is generally 60 to 80 meters, 2 meters wide and 2 meters wide. After the hole is laid, install the electric light inside, fix the hole, keep the air hole, however