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  • Human wastewater valuable to global agriculture, economics, study finds

    Aug 16, 2018 12:15 pm by Phys.orgIllinois in the News
    public domain image of sewage treatment plant

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    • public domain image of sewage treatment plant

    Illinois researchers have determined what farming regions of the world might benefit most from re-circulation of human-waste-derived nitrogen, potassium and phosphorus from cities