Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
This powerpoint on agricultural aspects of ecosan also contains some information on the nutrient cycle, and provides reasons why we must adopt a more sustainable approach to managing nutrient resources.
CONRADIN, K. WAFLER, M. (2009): Agricultural Aspects of Ecosan. Presentation based on Presentation M4-7 Agricultural Aspects of the ecosan curriculum. Powerpoint Presentation.