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The maximum water holding capacity of the cultivation material should be considered in the design of the culture medium formula
2025/6/4

mushroom machine  (6).png

mushroom machine  (6).png

The operation of the mushroom bag center is continuous. The so-called substitute material cultivation is

different from the traditional log cultivation. It uses the scraps of agricultural and sideline products in an 

artificial way to prepare a culture medium suitable for the growth of specific fungi, which can be converted 

into high-quality mushrooms in a short time. A reasonable cultivation medium formula is particularly important. 

When adjusting the formula, the water content, porosity and economic benefits of the cultivation medium 

must be considered.


The water content of fresh mushrooms is 89%~91%, mainly from the culture medium. Water spraying is aimed 

at increasing the air humidity of the cultivation environment. The water content of the culture medium determines

 the yield and quality. In the presece of a water film on the surface of the culture medium particles, the extracellular

 enzymes secreted by the front end of the hyphae diffuse through the water film, degrade the culture medium, 

convert large molecules into small molecules of nutrients, absorb and store them in the hyphae, and the hyphae 

continuously produce new branches, fill the gaps between the sawdust particles, and accumulate bioenergy. 

When a certain amount is stored, it will produce mushrooms explosively under mechanical stimulation, temperature 

difference stimulation, and a decrease in the pH value of the culture medium.


【Discussion】

The volume of the cultivation bag is fixed, and the maximum water absorption of various components is certain.

 Water cannot be added indefinitely. If the maximum saturated water volume of the culture medium is exceeded, 

free water will be deposited at the bottom of the cultivation bottle (bag), hindering the spread of mycelium. Enoki

mushroom cultivation has been looking for more absorbent materials, such as using dry bean dregs, beet shreds,

soybean skins, etc. to increase water content, meet the water needs of fresh mushroom development, and thus 

increase yield.


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