1. Foss farm, Skien

2. Foss biolab

3. Cow manure slurry

4. Biorefinery dairy manure
Flow schedule
Biorefinery dairy manure
Dairy slurry
Biogas
Nitrification and
filtration
Solid liquid separation
Fibrous fraction
Wet fraction
AD-effluent
Liquid fertilizer
Anaerob
digestion
Fine solid fraction
Vermicompost

5. Liquid nitrified fertilizer
No N- emission
No N2O-emission
No smell
Spreading indors or outdoors even on sunny days
No residues on leaves
No patogens
No weeds
Easy to spread exactly
Also as leaf fertilizer
Available directly as plant nutrition

6. Vermicomposting Enhanche P recovery Improve soil structure
Remove stinky smell
Increase microbial activity
Decrease weed seeds germination
Remove patogen organism
Stabilize carbon fraction

7. Appletree planting with vermikompost at Bygdø kongsgård