TY - JOUR A1 - Zhang, W. J. A1 - Wang, X. J. A1 - Xu, M. G. A1 - Huang, S. M. A1 - Liu, H. A1 - Peng, C. T1 - Soil organic carbon dynamics under long-term fertilizations in arable land of northern China JO - Biogeosciences Discuss. J1 - BGD VL - 6 IS - 4 SP - 6539 EP - 6577 Y1 - 2009/07/03 PB - Copernicus Publications SN - 1810-6277 UR - http://www.biogeosciences-discuss.net/6/6539/2009/ L1 - http://www.biogeosciences-discuss.net/6/6539/2009/bgd-6-6539-2009.pdf ER -