Soil Hydrology and Root Depths (IMAGE) Rutgers University Caption Tree and plant root depths vary, depending on climate, soil and water conditions, including rainwater infiltration and ground water levels. Credit Ying Fan Reinfelder/Rutgers University-New Brunswick Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.