The 2009 ASHS Annual Conference

Dr. David Ross

Professor and Extension Agricultural Engineer (Emeritus)
University of Maryland
Environmental Science and Technology
1426 Animal Science Building
College Park, MD
USA 20724
Email: dsross@umd.edu

Papers:
Real Time Measurement of Water and Electrical Conductivity In Soilless Substrates, to Precisely Monitor and Control Irrigation and Fertigation Events Using Sensor Networks for Precision Irrigation and Nutrient Management in the Nursery and Greenhouse Industry