Fencing, Grazing Management, NRCS, Planning, Water Grazing Management Using Cow Pie GIS Michael Harman February 18, 2019 GIS is an abbreviation for Geographic Information Systems. In practical terms GIS is the application of the science of location and all things related. In the last several years significant advances oAll the grazing management tips you need Subscribe to read this article and over 2,500 more! Subscribe today! If you're already a subscriber, log in here.