TY - JOUR A1 - Mattsson, M. A1 - Herrmann, B. A1 - David, M. A1 - Loubet, B. A1 - Riedo, M. A1 - Theobald, M. R. A1 - Sutton, M. A. A1 - Bruhn, D. A1 - Neftel, A. A1 - Schjoerring, J. K. T1 - Temporal variability in bioassays of the stomatal ammonia compensation point in relation to plant and soil nitrogen parameters in intensively managed grassland JO - Biogeosciences J1 - BG VL - 6 IS - 2 SP - 171 EP - 179 Y1 - 2009/02/11 PB - Copernicus Publications SN - 1726-4189 UR - http://www.biogeosciences.net/6/171/2009/ L1 - http://www.biogeosciences.net/6/171/2009/bg-6-171-2009.pdf DO - 10.5194/bg-6-171-2009 ER -