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The cultivation technology of Chestnut mushroom

2016-08-11 15:45:59
Chestnut mushroom is also called Grifola frondosa, it is a kind of edible and medicinal mushroom, has tender and delicious flavor and its nutritional value and flavor surpass those of Shiitake. People could cook Chestnut mushrooms into all kinds of delicacies. The followings are the cultivation technology of Chestnut mushroom.
1. The formula of compost: 
A. Straw 78%, bran 10%, rice bran 5%, corn flour 5%, sugar.
B. Wheat straw 80%, wheat bran 8%, corn flour 10%, gran 1%, gypsum 1%.
People could add 20% of rich such as soil into two formulas, spray 15ml of Shengenfei (a kind of specialized fertilizer) into the soil, adjust the water content in between 60% and 65%, adjust PH Value in between 5.5 to 6.5.
2. Cultivation method: cut straw and wheat bran into the segments of 3 to 5cm, in order to realize even absorption, people should repeatedly prewet and mix with lime water that has the PH Value of 7, then mix with other auxiliary materials, rich soil and fodder, adjust the water content in between 60% and 65%, build mixed material into rectangular heap and ferment for 3 to 5 days, 1 to 2 times of pile-turning should be done during this period to make grass blade fully soften. Then, people should put into polypropylene plastic bag that is 17cm*33cm*0.05cm, put about 250g of dry material into each fungi sack, sterilize for 8 hours in 100 degrees and cover for one night. After cooling to normal temperature, people could inoculate and cultivate in aseptic operation and wholly open way. Generally, spawns will be fully grown after about 30 days. Primordium will appear after about 10 days under the condition of moderate temperature, humidity and light. On that occasion, people could remove fungi sacks, realize fruiting and increase relative air humidity of cultivation room to about 90%. People could also conduct cultivation management in the way of bag removing and earthing. The picking period will come after the primordium formation of sporocarp. During that time, people should spray 1 or 2 times of water in accordance with specialized situations of mushroom house and combine with ventilation. When finding that mushroom bodies are 80% matured, people could arrange the picking. In general, biological efficiency can reach to 45% and 60%. After cultivating, each 100g of raw material can get an income of 200 to 800 CNY.
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