Bark fermentation culture medium technology

Bark fermentation culture medium technology

The bark fermentation and cultivation medium technology is characterized by its light weight, high water retention capacity, high organic matter content, high carbon/nitrogen ratio (C/N), and a pH of 4.2 to 4.5. In general, the carbon-nitrogen ratio of pine bark is generally 135:1, and the C/N of conifer bark is between 150-300. Among them, L. bark has a C/N as high as 494. Total carbon 54.3%, total nitrogen 0.11%. In addition to the woody cellulose, hemicellulose, lignin, and other trace elements, the bark is also relatively rich in substances that are harmful to plant growth such as carbonic acid, acetic anhydride (acid), and polymer wood acids. (soft resin). At the same time, because the bark has strong antibacterial and ant-resistance characteristics, it is not easily impregnated with water and rot, so it is one of the organic materials that are difficult to ferment, and it is difficult for the general fermentation auxiliaries to deal with it. However, the use of Golden Bark bark fermentation additives can achieve better results. The following is a brief description of its operation.
First, how to prepare and preprocess?
1, bark 1 cubic meter (about 0.5 tons), dry chicken manure or livestock manure 25 kilograms, urea or thiamin 5 to 10 kilograms, lime amount (about 0.5 to 1 kilogram);
2. Mix dry chicken manure or livestock manure with urea and thiamin in the bark material and reduce the carbon/nitrogen ratio (C/N) to below 40;
3. Because the bark of the coniferous tree contains a substance with a high acidity, appropriate amount of lime must be added to adjust the pH to 5 to 5.5.
4. Watering, buttoning, and boring for 2 to 3 days to achieve a moisture content of 505%.
5, Jinbao bark fermentation aid 1 kg plus 2.5 kg rice bran dilution and mixing, dubbed incremental bacteria. The well-balanced golden truffle enrichment agent is evenly sprinkled in the well-mixed bark mixture and inverted several times, so that the bacterial agent is evenly adsorbed onto the fermented material. This process is called "inoculation." After the inoculation is completed, the materials are piled up into large piles, covered with coverings, and naturally placed for 6 to 12 hours for pretreatment to promote the conidiophore effect of the bacterial agents, so that the golden baby bark fermentation aids are sufficiently adsorbed into the materials to be fermented.
Second, how to ferment?
6. After the pretreatment is completed, the fermented materials are piled up into large piles of 1 to 1.5m in height, covered with coverings, so as to maintain heat and moisture;
7, the first fermentation. Fermentation is carried out in two phases. The first time for fermentation to 25 to 30 days, heat preservation and moisturizing measures should be strengthened to promote the saccharification of the fermented material. After 5 to 7 days of fermentation, the fermentation temperature reaches 45 to 50°C, and white mycelium appears on the surface of the fermented product. (When it takes more than 2 days), it will be the first time it flips and it will reverse. Then continue the fermentation, so that the cumulative temperature of the fermentation reached 800 ~ 900 °C, enter the second fermentation period (second flip).
8, the second fermentation. Note that the moisture content of the fermented material is generally controlled at about 60%. When the moisture is insufficient, the 5% urea solution can be fully recharged, and the thickness of the deposit can be appropriately increased, and the stack can be piled up again, and the fermentation can continue until the temperature reaches 65°C. Week, three weeks after the temperature of 60 °C, when the accumulated temperature of the fermentation reaches 800 to 1000 °C, fermentation can basically be stopped.
The functional microorganisms in the golden bark bark fermentation aid will fully ferment and decompose the bark, which can remove components such as stone carbonic acid and citric acid that are harmful to plant growth, and greatly enhance the physical properties, commercial performance and economic value of the fermentation product.
How to deal with finished products?
9, after fermentation, the fermentation product will be tiled at a thickness of about 10, dry, so that the water content reaches 405%, with different "mesh" (according to the user's requirements for the goods, select the sieve "number of") The sieve is sieved for metering and packaging, and the finished product is stored in a dry and ventilated place.

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