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Potential of reducing the carbon dioxid by sequestration of biochar in degraded soils PDF

11 Pages·2018·0.3493 MB·other
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by Gerhard Herres| 2018| 11 pages| 0.3493| other

About Potential of reducing the carbon dioxid by sequestration of biochar in degraded soils

Since in 1850, about 2000 Gt CO2 = 2000 Pg CO2 were released from&nbsp; fossil fuels Energy resources&nbsp; that increased the carbon dioxide&nbsp; content of the atmosphere of at that time&nbsp; 270 ppm to more than 419 ppm <br>today (2018), with an annual growth rate of 3 ppm. Even a conversion of&nbsp; the energy system to 100% renewable energies (wind, PV, water) would not reduce this CO2 content of the air. For this we need the help of the plants. There is about 50% carbon in the wood, which can be converted by pyrolysis into a form that does not rot in the soil and can therefore store the carbon stably for thousands of years. Terra Preta (compost with biochar) has been stable in the soils of Amazonia for 2000 years and allows far greater harvests than fertilization with mineral fertilizers and nitrogen fertilizers produced with a large amount of energy. If the 20 million km^2 degraded soils with Terra Preta, in which the biochar of the plants grown on them were introduced, were to be improved, the fossil CO2 released since the beginning of industrialization could be re-bound within 100 years and <br>thus removed from the air and oceans. There are enough areas that cannot be used for food today and have therefore been abandoned. Even tropical rainforests do not have to be destroyed for the production of vegetable oil.</br></br>

Detailed Information

Author:Gerhard Herres
Publication Year:2018
Pages:11
Language:other
File Size:0.3493
Format:PDF
Price:FREE
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