How to Ensure Microorganisms Survival in Biofertilizer Production

In general, the microorganisms survival in biofertilizer production is the most critical factor affecting the final product’s quality and efficiency. Since beneficial microbes are sensitive to environmental changes, producers must maintain optimal conditions during every stage. By managing temperature, moisture, organic matter, and pH, manufacturers can significantly improve microbial viability.

Why control the temperature for biofertilizer making to 20–40 °C?

Temperature directly affects microbial metabolism and enzyme activity. If it is too high, functional bacteria may be destroyed, and if it is too low, growth slows down. So, you need to control the temperature in bio fertilizer production between 20 ℃ and to 40 ℃. There are 2 tips for you.

To protect microorganisms survival in biofertilizer production, functional microbes and fermentation microbes should be added separately. Because, the fertilizer fermentation temperature is over 60 ℃, which is damage to functional microbes.
Then, you can add functional bacteria after drying using a coating machine. This approach prevents heat damage during high-temperature stages while ensuring effective microbial activity.

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How to adjust biofertilizer making moisture?

Water content influences both microbial reproduction and shelf life. Excessive moisture can encourage unwanted microbial growth, while low moisture can cause dormancy. Especially, when you add fermentation bacteria in organic waste composting. Here, you can process organic manure with dewatering machine first. It can reduce the moisture to 30% quickly.

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Tip: But, this is for solid biofertilizer production. When it comes to liquid biofertilizer unit, it is must be over 70%.

Method to changing organic matter content and C/N ratio for biological fertilizer manufacturing

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Organic matter provides nutrients for microbes. If levels are too low, microbes lack energy sources; if too high, it can cause anaerobic conditions that harm beneficial bacteria. At the start, a C/N ratio of 30–35:1 promotes rapid microbial multiplication. After compost maturity, this ratio should drop to 15–20:1, ensuring stability and nutrient availability. Using raw materials like manure, crop residues, and plant waste not only supplies carbon and nitrogen but also maintains the ideal organic content of 50%–70%, thereby supporting long-term microbial viability.

How about PH value control for Microorganisms Survival in Biofertilizer Production?

PH affects nutrient solubility and microbial enzyme function. Since different microbes thrive at different pH levels—such as nitrogen-fixing bacteria preferring slightly acidic to neutral conditions and phosphate-solubilizing bacteria tolerating mild alkalinity—regular pH monitoring and adjustment are essential. Adding lime or acidic amendments when necessary ensures that conditions remain favorable for the intended microbial strains.

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Ultimately, the microorganisms survival in biofertilizer production depends on precise environmental management. By controlling temperature, regulating moisture, maintaining proper organic matter content, and adjusting pH to suit specific functional microbes, you can deliver biofertilizers with high microbial counts, long shelf life, and reliable agricultural benefits.