Just because water is wet, doesn't mean it is good for your soil or crop.  Soil will take on the characteristics of the water that is applied.  Water quality can play a critical role in fertilizer use efficiency.   Dr. Steve Petrie starts the discussion on water quality in this final of three parts of Agronomic Tips of the Week that will help us understand why we should be concerned about the quality of the water we are irrigating with and how we can mitigate some of common issues found in water.