Definition of Carbon-Based Organic Fertilizer and Core Analysis of Biomass Carbonization Equipment
Carbon-based organic fertilizer is a type of eco-friendly functional fertilizer made from biochar as a matrix, combined with organic or inorganic components. Its core raw material—biochar—is a carbon-rich solid product produced by the thermal decomposition of organic waste such as straw, livestock manure, and bamboo and wood chips under anaerobic or limited oxygen conditions at 400 to 700℃. The biggest difference between carbon-based organic fertilizer and traditional organic fertilizer lies in the introduction of “char”: biochar has a highly aromatic carbon skeleton structure and a well-developed microporous structure, enabling it not only to provide nutrients but also to perform the dual functions of soil improvement and long-term carbon sequestration. Professor Pan Genxing of Nanjing Agricultural University’s “soil biobridge technology” is the core theoretical support in this field, and its basic logic can be summarized as “using waste to produce char, using char to fertilize the soil, carbon sequestration and emission reduction, healthy and sustainable benefits.”
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