fertilizer regulation


Compost and sewage sludge

A yellow wheel loader implements composting in a composting plant.

Compost and sewage sludge contain valuable nutrients and humus substances that farmers traditionally use as organic fertilizer so as to reduce mineral fertilizer use. But unfortunately, compost and in particular sewage sludge, contain pollutants such as chemicals, heavy metals and pharmaceutical residues that are hazardous to the environment and human health. read more

The Umweltbundesamt

For our environment