TY - JOUR A1 - Galles, K A1 - Ham, J A1 - Westover, E A1 - Stratton, J A1 - Wagner, J A1 - Engle, T A1 - Bryant, T C T1 - Influence of reduced nitrogen diets on ammonia emissions from cattle feedlot pens. Y1 - 2011/11/11 N1 - R834551 VL - 2 IS - 4 SP - 655 EP - 670 ER - TY - JOUR A1 - Sun, K A1 - Tao, L A1 - Miller, D J A1 - Zondlo, M A A1 - Shonkwiler, K B A1 - Nash, C A1 - Ham, J M T1 - Open-path eddy covariance measurements of ammonia fluxes from a beef cattle feedlot. Y1 - 2015/11/1 N1 - R834551 JF - AGRICULTURAL AND FOREST METEOROLOGY J1 - AGR FOREST METEOROL VL - 213 SP - 193 EP - 202 ER -