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Sustainable sanitation training material

1 byte added, 01:29, 6 April 2016

→‎Chapter 5 - Applications

|style="color:black; background-color:green;"|<font color="white">'''Download'''</font>

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|style="color:black; background-color:#ffffff;"|Module 5.1 <br>'''Phosphorus - Food security and food for thought'''

|style="color:black; background-color:#ffffff;"|Should we worry about phosphorus? Are there substitutes for plant nutrients?

|style="color:black; background-color:#ffffff;"|Phosphorus as a resource, and its links to sanitation and to food security.

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