Spatial Variability and Prediction of Soil Organic Matter at County Scale on the Loess Plateau
LIAN Gang1,2, GUO Xudong1, FU Bojie2,HU Chenxia2
PROGRESS IN GEOGRAPHY . 2006, (2): 112 -122 .  DOI: 10.11820/dlkxjz.2006.02.013