The oyster mushroom that everyone has eaten, do you know where it grows?

In the greenhouse in Yongdeng County, Lanzhou, Gansu Province, white cylindrical thick sticks are neatly stacked, which is actually the "home" of oyster mushrooms.

  So what is this white cylindrical thing?

  Walking into the company's edible mushroom cultivation greenhouse, the smell of fresh soil is pungent.

It turned out that the white cylinders that were densely placed on the shelves of the greenhouse were the edible mushroom cultures of oyster mushrooms.

  The cultured bacteria are cottonseed hulls, bran, corncob, and a little gypsum. After proportioning, they are placed in a cylindrical bag. After high temperature sterilization, the bacteria are connected from the round mouth, and the seeds are slowly It grows inside and absorbs the nutrients of the medium. After a period of absorption, the oyster mushrooms "protrude out" from the bacteria stick.

  What's the matter with the fungus sticks turning from black to white?

Wei Xiaoqin, the person in charge of the edible mushroom cultivation greenhouse, said that the original mushroom rod was dark brown at first, and the bacteria gradually changed from black to white during the process of absorbing nutrients. "fed up".

A mushroom stick can produce five stalks of mushrooms in the service life, about five catties of oyster mushrooms.

(Gao Ying and Wang Muyu)

Responsible editor: [Ji Xiang]