Biochar or Biochar is the product of the thermal decomposition of organic materials (biomass) with little or limited supply of oxygen (reducing environment), at relatively low temperatures (below 700 oC) and which is intended for agricultural use, which makes it different from charcoal used as fuel and activated charcoal.
In our case, the biological material used is the remains of pruning and biomass of ornamental plant species, from work in municipalities in our area. The incorporation of biochar to the soil can alter its physical properties and improve them such as texture, structure, pore size distribution, total surface area, and apparent density, with repercussions on aeration, moisture retention capacity, growth. of plants and ease of tillage of the soil.
Biochar generally increases the cation exchange capacity (CEC) of the soil and, therefore, the retention of NH4 +, K +, Ca2 +, Mg2 +, which is probably attributed to its high specific surface area. In addition, it contributes to making acidic soils more fertile.
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