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Remote-Controlled ground penetrating radar (GPR) system for tree root mapping and tree root detection

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  2021 ASABE Annual International Virtual Meeting  2100484.(doi:10.13031/aim.202100484)
Authors:   Sri Charan Kakarla, Jaafar Abdulridha, Yiannis Ampatzidis
Keywords:   automation, ground penetrating radar, remote controlled, root detection, root mapping

Abstract. Ground penetrating radar (GPR) technology can be applied for tree root mapping to determine the efficacy of advanced crop production strategies, especially under the pressure of diseases and other environmental stresses. However, the manual process of scanning trees with a GPR is often time consuming and requires a lot of manual effort. The goal of this study was to develop a novel remote-controlled GPR for precision agriculture applications. The benefits of using the remote-controlled GPR over the manual GPR process were investigated. Both systems were used for root mapping on several citrus trees. The remote-controlled GPR was developed to be adjustable according to the size of the tree and the number of scanning circles required for scanning. The experiment was conducted using a 1,600 MHz GPR antenna for five different trees in a citrus grove located at Southwest Florida Research and Education Center (SWFREC) in Immokalee, Florida. The remote-controlled GPR reduced the scanning time by three times (compared to the manual process), developed more precise scanning circles, and required less human effort. Both systems generated similar data and detected the same number of roots.

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