Bark fermentation is a unique process that leverages the natural antibacterial properties of bark, its strong resistance to decay, and its low water absorption capacity. These characteristics make it one of the more challenging organic materials to ferment, as standard fermentation agents often struggle to break it down effectively. It's recommended to use specialized agents like Jinbao bark fermentation agent for better results.
The key factors that influence the speed and temperature of the fermentation process include the dosage of the fermentation agent, nutrient composition, moisture content, initial temperature, aeration, pH level, and the fineness of the material. To accelerate the fermentation and raise the temperature more effectively, in addition to increasing the amount of the fermentation agent, you can also implement the following strategies individually or in combination:
1. Improve the nutritional balance: Pine bark typically has a carbon-to-nitrogen ratio of around 135:1, which is too high for efficient microbial activity. To correct this, you can add nitrogen-rich substances such as fresh chicken manure, urea solution, brown sugar water, or phosphate rock powder. Brown sugar water not only enhances nutrition but also improves the adhesion of the fermentation agent to the bark. Adding rice bran increases the surface area available for microbial growth and helps fill gaps between bark particles. When combined with the fermentation agent, the mixture can stick better to the bark, increasing the number of active microorganisms and providing better nutrients and moisture retention. This leads to faster and more intense fermentation.
2. Moisture management: To enhance the moisture content and water retention of the bark, it should be soaked for at least 24 hours before starting the fermentation. The goal is to fully penetrate the inner core of the bark so that it becomes thoroughly wet. This ensures the microbes have enough moisture to thrive. The addition of brown sugar water and rice bran also helps improve the water-holding capacity during the process.
3. Proper covering: Covering the bark with breathable materials like straw or hay helps retain moisture and humidity, creating an ideal environment for microbial activity.
4. Aeration: Since the fermentation agent contains aerobic microorganisms, sufficient oxygen is essential. You can ensure proper aeration by turning the pile regularly, adding ventilation holes, or using a bottom blower if needed. For more detailed guidance, you can visit the official website or contact support directly.
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