More details are to be found in the paper by Bailey et al.(1987) and the present author’s dissertation, Pytka (1997). The SST was installed at 15 and 30 cm depths (Fig. 2). There were 2 6 2 tests done (2 soils 6 passes 2 depths) and they were replicated five to six times. Five measurements of soil moisture content were taken for each of the soils.