A general equation for watering gardens using drip irrigation divides the daily water requirement of each plant in gallon measurements by the delivery rate of the drip irrigation system in gallons per hour. The resulting value reflects the number of hours a drip irrigation system should run each day.
About this Author
S.F. Heron is an avid gardener with three years of experience in online writing and a working background in aviation and earth and ocean sciences. She is published on various sites, including Helium, eHow and Xomba. She holds a Bachelor of Science degree in journalism from the University of Maryland.