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Background: Faecal matter biochar offers an interesting value proposition where the pyrolysis process guaranties a 100% pathogen elimination, as well as significant reduction in transport and storage weight and volume. Therefore, to evaluate the effect of (1) biochar produced from dried faecal ma...


Woldetsadik, D.Drechsel, PayMarschner, B.Itanna, F.Gebrekidan, H.[Effect of biochar derived from faecal matter on yield and nutrient content of lettuce (Lactuca sativa) in two contrasting soils]Effect of biochar derived from faecal matter on yield and nutrient content of lettuce (Lactuca sativa) in two contrasting soils
Autor: Drechsel, Pay

Reflecting on the food-energy nexus, my first thought went to the Haber–Bosch process. Perhaps no other human invention has had a more dramatic impact on our wellbeing and mother Earth than the Haber-Bosch chemistry. As the reader might know, and I am citing here largely from Wikipedia, the Haber...


Drechsel, Pay[The Food-Energy Nexus is Closer to our Heart than we might think]The Food-Energy Nexus is Closer to our Heart than we might think

This study reports and analyzes nutrient balances in experimental vegetable production systems of the two West African cities of Tamale (Ghana) and Ouagadougou (Burkina Faso) over a twoyear period comprising thirteen and eleven crops, respectively. Nutrient-use efficiency was also calculated. In ...


Akoto-Danso, Edmund K.Manka'abusi, D.Steiner, C.Werner, S.Haering, V.Lompo, D.J.-P.Nyarko, G.Marschner, B.Drechsel, PayBuerkert, Andreas[Nutrient flows and balances in intensively managed vegetable production of two West African cities]Nutrient flows and balances in intensively managed vegetable production of two West African cities

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