Figure 3. Map of volumetric soil moisture content (% vol/vol [e.g. ft3 of water per ft3 of soil]) at potato root zone 0–8 in. deep in a potato hill. Sampled with a time domain reflectometry (TDR) probe in a seepage irrigation system during potato season in spring of 2012 in Hastings, Florida.
Credit: Libby Rens