Weryfikacja możliwości redukcji emisji amoniaku dla różnych praktyk aplikacji gnojowicy w Polsce

Polish agriculture is obliged to reduce ammonia (NH3) emissions, compared to 2005, by 1% annually in 2020-29 and by 17% annually from 2030. A significant source of emissions is the use of slurry. In Poland, it is mainly broadcast on the field surface and incorporated 4-24 hours after application. The ALFAM2 model was used to characterize the NH3 emissions from the slurry broadcast depending on the specific parameters for Poland: doses of slurry, its dry matter, air temperature, wind speed, precipitation and the pH of the slurry. In relation to the NH3 emission from the slurry applied broadcast to the field surface, the emissions resulting from the application of slurry by trailing hoses, trailing shoe, open slot injection, shallow and deep injection were estimated. On the basis of the obtained results, the emission reduction values were estimated for the basic practices of its application.