TY - CPAPER AU - Monica Marin AU - Carmen Georgeta Nicolae AU - Georgeta Dinita AU - Elena Pogurschi TI - METHODS TO REDUCE NITROGEN POLLUTION IN SWINE FARMS BY USING SYNTETIC AMINO ACIDS AND VOLCANIC TUFF T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation PY - 2017 SP - 667 EP - 672 DO - 10.5593/sgem2017/51/s20.087 PB - STEF92 Technology ER -