Spatial Variability of Nutrient Properties in Black Soil of Northeast China 1 1 Project supported by the National Basic Research Program (973 Program) of China (No. 2005CB121108) and the Heilongjiang Provincial Natural Science Foundation of China (No. C2004-25).
Pedosphere（2007）
关键词
spatial autocorrelation,soil survey,coefficient of variation,spatial variability,water table,structure factor,spatial correlation
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