News
Upgrading agricultural soils with Terra Preta
Thanks to biochar, a mighty soil rich in nutrients and humus has developed in some areas of the Amazon over the centuries. This can also be achieved on European soils. Bruno Glaser, soil biogeochemist and professor at the University of Halle, comes to this…
Separating pollutants with biochar
Pollutants from soil, water and gases can be removed with biochar. According to Weber (Industrielle Anwendungen von Biomassekarbonisaten. Adsorptionsmittel, in: Quicker/Weber 2016, Biokohle), these can be organic pollutants…
Biochar in metallurgy
The production of metallic raw products is one of the most important industrial sectors. Germany, for example, is one of the world’s leading countries in the production of steel, aluminium, lead, copper and tin. According to the authors Schulten…
Terra Preta, the black revolution
The authors Scheub, Pieplow and Schmidt describe how to produce healthy food in their own gardens and at the same time improve the climate in a highly readable book about biochar. It describes step by step how biochar can best be used in the…
Biochar approval
Germany is still a laggard when it comes to the approval of biochar. Currently, it is only permitted in the form of charcoal with a carbon content of at least 80 percent. Technology has been available for a long time to produce biochar free of…
Less leaching and higher yields in the vineyard
If biochar is also composted, it is heavily loaded with nitrogen (nitrate) and promotes plant growth more strongly than uncomposted biochar. This was shown, among other things, in studies in which the effects of biochar were tested in the vineyard…
Videos
Why a farmer relies on biochar
In the beginning there was an idea: Increase the fertility of its soils – without mineral fertilizers. Thomas Unkelbach, a farmer, has succeeded with self-produced biochar. In a carbonisation plant he burns garden waste, green and shrub cuttings…
Sun and Earth: Everything you need for a good climate
Most composting plants are not interested in the production of high-quality composts, but only in waste disposal. The separate collection of biowaste has triggered a composting boom, which has greatly damaged the reputation of compost…
Events
09 — 10 November Conference: Biochar in a municipal context
Biochar is the product of thermal carbonisation of plant biomass. In addition to the well-known applications in agriculture – often inspired by terra preta – biochar also has a wide range of potential uses in communities…
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