J.W. Doran’s scientific contributions

... Soil EC is a useful indicator of soil health that largely influences microbial processes, including respiration, decomposition and N cycling (Grisso et al., 2005). Soil EC, a measure of soil salt concentration, indicates changes in nutrient availability, with some microbial mediated processes being affected by shifts in EC (Smith and Doran, 1997). Soil enzymes continuously play an important role in the catalysis of many vital reactions required for the maintenance of soil microbial processes, organic matter (OM) decomposition, nutrient cycling and stabilization of soil structure (Nannipieri et al., 2012;Sahu et al., 2017). ...

Reference:

Correlation Between Soil Electrical Conductivity and Extracellular Enzyme Activities in Hierarchical Aggregates as Affected by Biochar and NPK Fertilizers in an Ultisol