TY - JOUR A1 - Hofmann, A. A1 - Heim, A. A1 - Gioacchini, P. A1 - Miltner, A. A1 - Gehre, M. A1 - Schmidt, M. W. I. T1 - Mineral fertilization did not affect decay of old lignin and SOC in a 13C-labeled arable soil over 36 years JO - Biogeosciences J1 - BG VL - 6 IS - 7 SP - 1139 EP - 1148 Y1 - 2009/07/07 PB - Copernicus Publications SN - 1726-4189 UR - http://www.biogeosciences.net/6/1139/2009/ L1 - http://www.biogeosciences.net/6/1139/2009/bg-6-1139-2009.pdf DO - 10.5194/bg-6-1139-2009 ER -