Spatial Variation of Arsenic in Soil, Irrigation Water, and Plant Parts: A Microlevel Study

Figure 7

(a) Semi-variogram models for soil As. (b) Semivariogram models for straw As. (c) Semivariogram models for husk As. (d) Semivariogram models for grain As.

(a)

(b)

(c)

(d)