CNR Expo Biochar: a sustainable solution for agriculture and environment

Saturday, June 20, 2015 - 8:15am

Biochar: a sustainable solution for agriculture and environment

Franco Miglietta
Institute of Biometeorology (IBIMET)

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The event BiocharEXPO 2015 will enable specialists and non-specialists to learn about an innovation, Biochar, that is a small but interesting step towards sustainability or the harmonization and the convergence of three challenges cited. But what is Biochar? It's basically charcoal, or the "charcoal slack" that every barbecue lover knows well. In technical terms, Biochar is the carbonaceous residue of the thermochemical transformation of organic material, in absence of oxygen; the byproduct of a reaction called pyrolisis. And pyrolysis produces energy via an inflammable gas that can be used like fuel (the syngas).

Recently, also rediscovering ancient practices, we understood that Biochar is an excellent amendant for agriculture; it favors the production of crops by improving the soil, preserving water and retaining nutrients. But it does even more, because the Carbon which it contains is not degraded in the soil thus leading to the sequestration of a significant fraction of the the Carbon previously contained in the atmospheric CO2 that the plants assimilated via photosynthesis. A surprising solution, indeed, capable of increasing food prodution while generating renewable energy from crop residues and fighting climate change through Carbon-sequestration. That's why Biochar is "triple-win" strategy or a "carbon negative" solution.

The BiocharEXPO 2015 event will provide the opportunity of to know and to learn more about such an intriguing story, understanding facts and knowing the key players. Two lectures from reputed scientists will open the show. That it will the continue with an exhibition organized in the gardens of the Faculty of Agriculture of the university of Milan (Città Studi). This will involve players from energy, agriculture and industry. But it will be also a way to know some of 55 different uses of Biochar, that have to do with our everydays's life. Of today and of tomorrow.