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VRSS | All | Biochar From Human Waste Could Solve Global Fertilizer Shortages |
August 11, 2025 3:20 PM |
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Feed: Slashdot Feed Link: https://slashdot.org/ --- Title: Biochar From Human Waste Could Solve Global Fertilizer Shortages, Study Finds Link: https://news.slashdot.org/story/25/08/11/1939... 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 proportions to be adjusted for specific crop requirements. Read more of this story at Slashdot. --- VRSS v2.1.180528 |
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