Great start to the year being able to get out in the field, taking samples and classifying soil types. I was collecting data to develop a MEDLI model, to estimate the optimum irrigation regime for sustainable wastewater effluent disposal to land. For this project, we are working with industry expert Bernie Powell, who led the soil classification and sample collection and gave us what was really a master class in soil science. Disposal of wastewater effluent to land is designa