Comparison of sampling schemes for spatial prediction of soil organic carbon in Northern China
XuYang Wang,YuQiang Li,YuLin Li,YinPing Chen,Jie Lian,WenJie Cao
Sciences in Cold and Arid Regions . 2020, (4): 200 -216 .  DOI: 10.3724/SP.J.1226.2020.00217.