Application of Starter in Edible Mushroom Cultivation
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(a) The material temperature changes. Fermentation agent fermentation material temperature quickly rose to above 60 °C, such as the Kinpo fermentation agent can reach 60-70 °C in two or three days. As a result, not only the bacteria but also most of the eggs are killed.
(b) Changes in microorganisms in the cultivation materials. Fermentation agent fermentation, beneficial bacteria, fungi, actinomycetes, nitrogen-fixing bacteria, etc. in the culture medium multiply quickly, and there are many in quantity, especially the actinomycetes are more than 100 times of the secondary fermentation, and a large number of beneficial bacteria are “preemptiveâ€, occupied positions and occupied The bacteria living space. Because of the large number of beneficial bacteria, the amount of heat generated by microbial activity increases, so the material temperature can rise rapidly and remain for a long period of time. At the same time, antibiotics, a metabolite of beneficial bacteria, also act as a barrier against the return of miscellaneous bacteria.
(c) Changes in nutrient composition in culture materials. In the fermentation process, due to the action of the microbial population in the starter, the cellulose-decomposing fungi and actinomycetes multiply, the content of cellulose in the culture material is gradually reduced, the content of soluble sugar is gradually increased, and the ratio of carbon to nitrogen is further increased. Suitably, the free protein is transformed into a mycelial protein suitable for the growth of edible mycelium, and the mycelium of the edible mushroom grows more robustly. If you use the golden baby ferment, you can increase the yield of edible fungus by 20-30%.
(D) Broaden the raw material resources and manure additions. Mushroom cultivation mostly uses cotton husk as the main material, and a large number of crop stalks are often burned in situ to pollute the environment. The main reason is that conventional fermentation stalk fermentation is incomplete, cellulose cannot be decomposed and transformed, and edible mushroom mycelium is not easily absorbed. , resulting in low output. The use of starter solves this problem. Chicken, duck and other poultry manure is a hot manure, nutrient-rich, commonly used in all edible fungus cultivation accessories, cow dung is a cold fertilizer, low in nutrients, commonly used in mushroom, Brazil mushroom and straw mushroom cultivation accessories; pig manure, silkworm Dung is a cold fertilizer, rich in nutrients, commonly used in a variety of edible fungi cultivation accessories. Due to incomplete fermentation of conventional fermentation, it often leads to serious pest damage or "burnt bacteria" phenomenon, while adding less. With the increase of the price of bran and cake fertilizer, it is a good way to use fermentation agent to replace bran with manure and cake fertilizer to increase the “nitrogen source†of the culture material. Fermentation can be used to increase the amount of manure added. The use of starter can reuse the waste. The buckwheat or raw material cultivation failure of the material bag or obsolete material, contaminated material and cultivation of other mushroom uncontaminated waste mushroom sticks, can be added to a certain percentage of fresh material, can still cultivate other mushrooms after treatment of the starter. The use of starter can change the cultivation of clinker into fermented material, such as needle mushroom, white mushroom, shiitake mushroom, and apricot mushroom, which can reduce cost, reduce pollution, be easy to operate, and increase production.