Recycling sludge on cropland as fertilizer – Advantages and risks
Abstract
Sludge contains recyclable and agronomical valuable macro and micronutrients. Sludge application on cropland reduces need of synthetic fertilizers, causing sustainability of agriculture. Sludge can contain harmful organic and inorganic contaminants. In some cases, sludge application on cropland can contaminate water, soil & food chain. Interaction of inorganic and organic compounds with environment should be investigated for long-term risks.
- Publication:
-
Resources, Conservation and Recycling
- Pub Date:
- April 2020
- DOI:
- 10.1016/j.resconrec.2019.104647
- Bibcode:
- 2020RCR...15504647S
- Keywords:
-
- Digestate;
- Food chain;
- Nutrient cycling;
- Pollutants;
- Sustainable agriculture