Inga Grīnfelde. "THE AMMONIA EMMISION REDUCTION EFFECT OF ACIDIFICATION OF PIG SLURRY APPLIED ON WINTER WHEAT." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Energy and Clean Technologies (2019): 1101-1108. https://doi.org/10.5593/sgem2019/4.1/s19.140