Recycling city wasteNUTRIENTS & ORGANIC MATERIAL

(not paper, plastic & glass)

International Symposium on Agroecology for Sustainable Agriculture and Food Systems

Kunming, Yunnan, China29-31 August 2016

Debra Turner – Plant Nutrition Officer FAO

Gliessman

The issue - simple

N P K + C

The issue - problems

The solution

Solutions – simple?

Issues• cost / effort

• treatment of water and sludge EPAWHO/FAO

• proper application

• public perception

Solutions – less simpleNH4MgPO4

Recommendations• More analysis of the environmental costs/benefits of

recycling

• More research on effective and safe methods and processes for recycling various waste materials

• Increased public awareness of safety of recycling?