Technical Abstract: In the last few years numerous meetings have been held to determine what soil properties should be measured to describe soil quality. Most of the lists are long and would take a significant amount of resources to measure all of the soil properties. In addition, there has been significant emphasis on biological measurements for determining soil quality which are usually complex both in measurement and interpretation. Our effort has focused on determining which chemical, biological and physical soil quality indicators would respond quickly to soil management changes. In addition, we have done extensive analysis of spatial and temporal variability of proposed soil quality indicators. In this paper we will report on the measurement and use of pH or soil acidity and electrical conductivity or chemical supply to evaluate soil quality.