Semiliquid waste obtained from the processing of municipal sewage, often used as a fertilizer.
Example sentencesExamples
- It is becoming all but impossible to use sewage sludge as fertiliser on farm land.
- In Europe, there is a strong understanding of the potential impact of contaminants found in sewage sludge and wastewater.
- Only natural fertilizers are used; those made from petroleum or containing sewage sludge aren't allowed.
- Proper management of livestock waste and sewage sludge also reduces loss of nutrients from fields.
- Today more than half of London's sewage sludge is sold in pellet form as fertilizer for agricultural use.