Virginia Cooperative ExtensionOwen, James Stetter, 1975-White, Sarah A.Whipker, BrianKrug, Brian2017-03-082017-03-082016-09-21http://hdl.handle.net/10919/75591This document highlights features of an app called GroZone Tracker and how it can assist in recording data and monitoring water quality, substrate pH, and electrical conductivity data for nursery and greenhouse operations. This app can be used on desktops and mobile devices.5 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.Nursery & GreenhouseAgricultural Financial Mgmt.Environmental QualityExtension publicationhttp://www.pubs.ext.vt.edu/HORT/HORT-227/HORT-227-PDF.pdfwater qualitysoil pHelectrical conductivitydigital technology