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Comparison of Sampling Designs in the Detection of Spatial Variability of Mississippi Delta Soils

Dep. of Plant and Soil Sci., Box 9555, Mississippi State Univ., Mississippi State, MS 39762

View larger version (26K): [in a new window]   Fig. 1. Representation of grid-point and grid-cell sampling designs displaying only two of 24 primary grid points sampled in each transect.

View larger version (38K): [in a new window]   Fig. 2. Correlograms of soil chemical variables for grid cell and composite correlograms for grid point sampling in Transect I.

View larger version (43K): [in a new window]   Fig. 3. Correlograms of soil chemical variables for grid cell and composite correlograms for grid point sampling in Transect II.

View larger version (24K): [in a new window]   Fig. 4. Dendrogram of Transect II correlograms based on the dissimilarity matrix of grid point (GP) and grid cell (GC) correlogram's average Manhattan distances.