US EditionBiochar From Human Waste Could Solve Global Fertilizer Shortages, Study Finds
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Farmers need fertilizers to supply their fields and the plants growing on them with sufficient nutrients such as nitrogen and phosphorus. However, chemical fertilisers and animal manure pollute the environment in the long term and are only limited in availability. A natural alternative could be fertilizers produced from human excrement, suggests a study. In a pyrolysis plant, the [...] Der Beitrag Biokohle aus humanem Abt als Dünger? erschien au…
At the same time, this could reduce pollution and energy consumption.
Biochar From Human Waste Could Solve Global Fertilizer Shortages, Study Finds
Biochar produced from solid human excrement could supply up to 7% of global phosphorus fertilizer needs annually, according to a Cornell University study published in PNAS. When combined with nutrients extracted from urine, the process could provide 15% of phosphorus, 17% of nitrogen, and 25% of potassium used in agriculture worldwide. The biochar production process reduces solid waste volume and weight by up to 90%, while allowing nutrient pro…
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