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How to Guarantee the Survival of Microorganisms in Biofertilizer Production

En general, the survival of microorganisms in the biofertilizer production It is the most critical factor affecting the quality and efficiency of the final product. Since beneficial microorganisms are sensitive to environmental changes, producers must maintain optimal conditions at each stage of the process. By properly managing the temperature, humidity, organic matter and pH, manufacturers can significantly improve microbial viability.

Control the temperature in the production of biofertilizers between 20 y 40 ℃

Temperature directly affects microbial metabolism and enzymatic activity. If the temperature is too high, functional bacteria can be destroyed, and if it is too low, growth slows down. Here we give you two recommendations:

To protect the survival of microorganisms in the production of biofertilizers, functional microorganisms and fermentation microorganisms must be added separately. This is because the fermentation temperature of the fertilizer exceeds the 60 ℃, which can damage functional microorganisms.

Later, You can add the functional bacteria after drying the fertilizer using a coating machine. This approach prevents heat damage during high temperature stages, while ensuring that microbial activity is effective.

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Control the temperature in the production of biofertilizers between 20 y 40 ℃

It is necessary to control the temperature in the production of biofertilizers between 20 ℃ y 40 ℃.

Maintain the content of organic matter and the C/N ratio

For the survival of microorganisms in the production of biofertilizers, It is also necessary to pay attention to the following aspects: Organic matter and C/N ratio.
  • organic matter

    Organic matter provides nutrients to microorganisms. If levels are too low, Microorganisms will lack energy sources; if they are too high, Anaerobic conditions can be generated that harm beneficial bacteria.

  • C/N Ratio

    At the beginning of the process, una C/N ratio of 30-35:1 promotes rapid multiplication of microorganisms. After the compost matures, This relationship must be reduced to 15-20:1 to ensure stability and nutrient availability.

  • Material adjustment

    Use raw materials such as manure, Crop residues and plant waste not only supply carbon and nitrogen, but also maintains the ideal content of organic matter between the 50 % y el 70 %, which favors long-term microbial viability.

How to Guarantee the Survival of Microorganisms in Biofertilizer Production - Figure 1

Adjust humidity in biofertilizer production

Además, The water content influences both the reproduction of microorganisms and the shelf life of the product..

Excess moisture can encourage the growth of unwanted microorganisms, while low humidity can induce dormancy of microorganisms. This is especially important when adding fermentation bacteria to organic waste composting.. In this case, You can process organic manure first with dewatering machine. This can reduce humidity quickly by 30 %.

Create ideal pH conditions for the production of biofertilizers

pH influences the solubility of nutrients and the function of microbial enzymes. Since different microorganisms thrive at different pH levels—such as nitrogen-fixing bacteria, that prefer slightly acidic to neutral conditions, and phosphate-solubilizing bacteria, that tolerate slight alkalinity—regular monitoring and adjustment of pH is essential. Adding lime or acid amendments where necessary ensures that conditions remain favorable for the desired microbial strains.

Ultimately, The survival of microorganisms in the production of biofertilizers depends on precise management of the environment. By controlling the temperature, regulate humidity, maintain adequate organic matter content and adjust pH to suit the needs of specific functional microorganisms, will be able to offer biofertilizers with high microbial counts, long shelf life and reliable agricultural benefits.

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