Figure 5

Long-term SOC validation of DNDC in China. The dots of the figure on the right represent field data from the two national soil surveys in China in the 1960s and 1980s. The line represents the simulation results. Sites 1 to 8 in the figure on the left are from Zhang et al. (2006, 2015). The figure was generated using Microsoft excel 2016 software provided by Microsoft office.