Rising temperature is the key to success when cultivating Button mushroom in winter. To depend on stove, the effect is favorable and excellent while bringing about high production cost. Hence, it is advisable to adopt the following measures to realize natural warming.
1. Cover wheat straws with the depth of 8-10cm on the top of greenhouse film, then additionally cover a layer of common thin film or black thin film.
2. On the basic of covering the wheat straws on the top of greenhouse film, draw a black thin film with the width of 2m and the depth of 0.07mm in the direction of east-west, meaning facing sun.
3. Cover grass carpet on the top of greenhouse film. Meantime, build row cover with bamboo chips on the fungi bed of greenhouse, then, cover a layer of black thin film with the depth of 0.07mm on the top of the row cover.