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Division of Environment and Natural Resources

Climate- and environmentally friendly use of animal manure

Active Last updated: 12.04.2024
End: dec 2024
Start: jan 2022

There is a need to update knowledge about the utilization and loss of nitrogen and phosphorus from livestock manure in order to assist the authorities and the agricultural industry in meeting climate and environmental targets. There is a major focus on the use of phosphorus, phosphorus content in soil and runoff to waterways in connection with the revision of the fertilizer regulations. The time and method of spreading livestock manure, as well as the total amount of manure used, are important factors that influence the loss. Reduced ammonia volatilization and runoff of nitrogen reduces indirect nitrous oxide losses from livestock manure, but also direct and indirect nitrous oxide emissions through reduced use of mineral fertiliser. The project includes a literature compilation and field measurements to measure the utilization of nutrients at different spreading times for livestock manure in different parts of the country. In the project, field measurements will be made on the effect of different spreading times on the utilization of nitrogen and phosphorus for plant growth. The field measurements are carried out in Rogaland, Vestland and Trøndelag county.

Status Active
Start - end date 01.01.2022 - 31.12.2024
Project manager Jian Liu
Division Division of Environment and Natural Resources
Department Soil and Land Use
Total budget 900000