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The 'Guía Práctica de Uso de la Orina en la Producción Agrícola' is a comprehensive guide published by the Stockholm Environment Institute that provides technical, economic, and institutional frameworks for using human urine as a sustainable agricultural fertilizer. It details the nutrient composition of urine, application strategies, risk management based on WHO guidelines, and case studies from various global regions to support the transition toward productive sanitation systems.

This report examines the risks associated with "peak phosphorus"—the point when demand for rock phosphate exceeds supply—and its implications for global food security and water quality. It focuses on the Lake Winnipeg Basin as a case study for extreme eutrophication and proposes a transition toward phosphorus stewardship through nutrient recovery, recycling, and improved agricultural practices to reduce dependence on mineral fertilizers.

This 2006 report by the Stockholm Environment Institute examines urine diversion as a sustainable sanitation alternative to help meet the Millennium Development Goals (MDGs). It details the technical, organizational, and economic aspects of separating urine from faeces to enable nutrient recycling in agriculture, drawing heavily on Swedish municipal experiences and international case studies from West Africa, China, and El Salvador.