What are the roles of carbon and nitrogen in carbon-based fertilizer production?

The carbon-to-nitrogen ratio of charcoal-based fertilizer materials is an important nutrient condition for microbial activity. Charcoal primarily provides energy for the life activities of microorganisms, nitrogen is then used to synthesize cells, which is the nutrient root for microorganisms.The carbon to nitrogen ratio directly affects the speed of microbial decomposition of organic matter. It decides the fermentation speed and the quality of biochar-based fertilizer.

Effect of low carbon to nitrogen ratio

In the process of biochar compost, the carbon-to-nitrogen ratio of organic materials is usually controlled in (25~35):1, this is the good condition. But if the carbon to nitrogen ratio is low, (<20:1), microorganisms’ reproduction will be inhibited because of energy shortage. Besides, this will lead to decomposing very slowly and incompletely. Also, this condition not only results in ammonium nitrogen volatilization losses but also increases ozone to pollute the environment. So, you can view the compost making tips, maybe help you.

plants and biochar
Biochar

Effect of high carbon to nitrogen ratio

When the carbon-to-nitrogen ratio is too high(>35:1), this condition will lead to inadequate nitrogen supply, at the same time, it reduces the speed at which materials decompose. What’s more, this also prolongs the fermentation compost process. If more carbon dioxide is volatilized, the high temperatures will last longer, and if it is applied to the soil as a fertilizer, it will also rob the soil of nitrogen, thus inhibiting the growth of crops. If you have any problems, you can search the biochar making process.

How to adjust the carbon-to-nitrogen ratio of charcoal-based fertilizers?

  • To insure a suitable carbon-to-nitrogen ratio for composted charcoal-based fertilizer raw materials. You must regulate carbon to nitrogen ratio of carbon-based fertilizer materials.
  • Initial carbon to nitrogen ratio of general carbon-based fertilizer materials >35. You can add materials such as nitrogen fertilizer can bring the rate down.
  • The initial carbon-to-nitrogen ratio of a few carbon-based fertilizer materials <20. You can add straw meal or grass charcoal to regulate.