@article{Li2015, author = "Mingming Li and Xingchang Zhang and Qing Zhen and Fengpeng Han", title = "{Semi-variance charts of soil organic carbon (SOC) under different soil depths.}", year = "2015", month = "12", url = "https://plos.figshare.com/articles/figure/_Semi_variance_charts_of_soil_organic_carbon_SOC_under_different_soil_depths_/888107", doi = "10.1371/journal.pone.0083061.g004" }