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Baltic Slurry Acidification project lives on as part of SuMaNu

Baltic Slurry Acidification is one of the four projects forming an Interreg Agri Project Platform SuMaNu.

SuMaNu stands for Sustainable manure and nutrient management for reduction of nutrient loss in the Baltic Sea Region. The projects are Baltic Slurry Acidification, Manure Standards, GreenAgri and BONUS PROMISE. The aim of SuMaNu is the gather and synthesize the best practices and recommendations on sustainable nutrient management generated in the member projects.

Baltic Slurry Acidification showed that acidification of slurry is an effective way to reduce ammonia emissions from agriculture and that there is no harm to soil from applying acidified slurry. The project also showed that there are no barriers that could not be overcome for implementation of SAT technologies in the Baltic Sea Region countries. However, policy and economic incentives are needed.

Manure Standards develops joint guidelines for more efficient collection and usage of manure data. GreenAgri aims at reducing nutrient losses in the Baltic States by introducing and testing environmentally friendly management of organic fertilizers. BONUS PROMISE evaluates methods to close the agricultural phosphorus cycle with a special view on contamination risks when recycling the organic waste materials. Also, the findings of previous projects, such as Baltic Manure, Baltic Compass and Baltic Compact will be considered.

SuMaNu is coordinated by the Natural Resources Institute Finland (Luke) and partners are HELCOM, Baltic Sea Action Group (BSAG), Estonian Crop Research Institute (ECRI), Union Farmers Parliament (ZSA), Organe Institute Aps, Agricultural Advisory Center in Brwinow (CDR), Julius Kühn-Institut (JKI), and RISE Research Institutes of Sweden (RISE).

SuMaNu will run until March 2021. Its website is open from June 2019 at


Photo above: Frank Steinmann