Berner Fachhochschule Hochschule für Agrar-, Forst- und Lebensmittelwissenschaften HAFL Recent activities on ammonia emissions: Emission inventory Rindvieh Pflanzenbau Übrige Nutztiere Geflügel Nicht Landwirtschaft Schweine 95% der Ammoniakemissionen aus der Landwirtschaft 1990, 1995 based on expert assumptions 2002, 2007, 2010 based on survey on manure management on representative stratified sample of farms Emission calculation with N-flux model AGRAMMON Why survey? –Consulted experts can not reliably and comparable estimate changes that lead to 14% shift in emissions over 20 years –Information on different regions, altitude zones, farm types –Survey on development of livestock and manure management also valuable for other activities –Allows a detailed assessment of the abatement potential

Berner Fachhochschule Hochschule für Agrar-, Forst- und Lebensmittelwissenschaften HAFL Emission inventory Representative survey 36 stratified classes ( 3 altitude zones, 3 geogr. Regions, 4 farm types) Analysed sample: 3 % of farms; at least 50 per class 12 page questionnaire 1950 farms used for analysis Central Eastern Western

Berner Fachhochschule Hochschule für Agrar-, Forst- und Lebensmittelwissenschaften HAFL Recent activities on ammonia emissions: Assessment of emission abatement potential 95% der Ammoniakemissionen aus der Landwirtschaft Rindvieh Pflanzenbau Übrige Nutztiere Geflügel Nicht Landwirtschaft Schweine 95% der Ammoniakemissionen aus der Landwirtschaft Detailed assessment of farm specific abatement potential through individual and combined measures possible via AGRAMMON Detailed assessment of applicability of different measures model calculations for abatement potential –Business as usual –Realistically feasible –Maximum technically possible (without cost considerations) Regionally differentiated

Berner Fachhochschule Hochschule für Agrar-, Forst- und Lebensmittelwissenschaften HAFL Abatement potential Abatement potential in different regions (2002)

Berner Fachhochschule Hochschule für Agrar-, Forst- und Lebensmittelwissenschaften HAFL Recent activities on ammonia emissions: New measurements on application losses 95% der Ammoniakemissionen aus der Landwirtschaft Rindvieh Pflanzenbau Übrige Nutztiere Geflügel Nicht Landwirtschaft Schweine 95% der Ammoniakemissionen aus der Landwirtschaft Background Recent studies indicate standard emissions factors for slurry spreading might be too high (Sintermann et al. 2011) New experiments Comparison of field scale and medium plot size experiments New series of measurements with different application techniques Different measurement systems (mainly impinger + Windtrax) International collaboration

Berner Fachhochschule Hochschule für Agrar-, Forst- und Lebensmittelwissenschaften HAFL What did we achieve? 95% der Ammoniakemissionen aus der Landwirtschaft Rindvieh Pflanzenbau Übrige Nutztiere Geflügel Nicht Landwirtschaft Schweine 95% der Ammoniakemissionen aus der Landwirtschaft Ceiling value 2010 (-14%) was just achieved Awareness of farmers on need of emission abatement has increased. Mainly thanks to new agricultural policy with nutrient balance restriction AGRAMMON is a valuable tool for scenario calculations on emissions at farm or regional level Reliable emission inventory; good agreement with atmospheric concentration monitoring network Detailed assessment of emission mitigation potential Thanks to regular survey on livestock and manure management we have a good understanding of the development of emissions and farm/manure management Good collaboration between Federal Office and research

Berner Fachhochschule Hochschule für Agrar-, Forst- und Lebensmittelwissenschaften HAFL Thank you for your attention 95% der Ammoniakemissionen aus der Landwirtschaft Rindvieh Pflanzenbau Übrige Nutztiere Geflügel Nicht Landwirtschaft Schweine 95% der Ammoniakemissionen aus der Landwirtschaft