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What is the ideal temperature for the microorganisms in the fertilizer starter?
The microorganisms used in fertilizer fermentation aids, such as actinomycetes, yeasts, bacillus, and filamentous fungi, are living organisms that require specific environmental conditions to thrive. Each type of microorganism has an optimal temperature range for growth and reproduction. For example, anaerobic bacteria typically perform best between 25–35°C, while aerobic species prefer 40–50°C. Thermophilic microbes, on the other hand, function optimally at 60–65°C.
Jinbao Organic Fertilizer contains a blend of these functional microorganisms, each adapted to different temperature zones. During the fermentation process, it's crucial to maintain temperatures within the suitable range for each microbial group to ensure efficient decomposition and nutrient release. The general recommended temperature range for most fertilizer fermentation microbes is around 20–60°C. If the temperature is too high or too low, it can significantly reduce the effectiveness of the fermentation process.
In colder seasons, when ambient temperatures drop, it’s important to implement simple heating methods to raise the initial fermentation temperature. Increasing the size of the compost pile can also help retain heat and moisture, which supports microbial activity. However, excessively high temperatures—above 70–75°C—can be harmful. At such levels, cold-tolerant microorganisms may die off, and even heat-resistant ones may lose their activity, leading to slower fermentation and higher labor costs.
If the temperature becomes too high, turning the pile can help regulate internal heat, improve air circulation, and prevent nutrient loss. On the flip side, if the temperature is too low—especially below 10°C—the activity of the beneficial microorganisms declines. When the temperature drops below 5°C, they essentially go into dormancy and stop functioning. In such cases, it's essential to artificially increase the temperature to restore microbial activity.
Failure to do so can result in poor fermentation outcomes, reduced fertilizer quality, and economic losses. Therefore, it's important for users to monitor and maintain the ambient temperature above 15°C for optimal performance. This ensures that the microbial community remains active and effective throughout the entire fermentation process.