10.1371/journal.pone.0181872.g007 Jasmine E. Burr-Hersey Jasmine E. Burr-Hersey Sacha J. Mooney Sacha J. Mooney A. Glyn Bengough A. Glyn Bengough Stefan Mairhofer Stefan Mairhofer Karl Ritz Karl Ritz Average surface area (cm<sup>2</sup>), volume of root (%), number of laterals and lateral angle (°) of vetch root systems. Public Library of Science 2017 root morphologies surface area Avena strigosa visualising roots soil bulk density root systems root morphology Three-dimensional visualisations soil structure 1.4 g cm -3 crop species 1.2 g cm -3 root architecture crop species exhibit soil columns Vicia sativa zone overlaying root-segmentation imaging algorithm Black oat roots tillage radish Developmental morphology root volume bulk density uncompacted zone tomography Plant roots two-layer compaction treatment 2017-07-28 18:01:44 Figure https://plos.figshare.com/articles/figure/Average_surface_area_cm_sup_2_sup_volume_of_root_number_of_laterals_and_lateral_angle_of_vetch_root_systems_/5256568 <p>(A) Average surface area of vetch root (cm<sup>2</sup>) (B) Average volume of vetch root as a percentage of the soil volumes, (C) Average number of lateral roots observed protruding from the taproot into the soil volumes. (D) Average angle of lateral roots protruding from taproot into the soil volumes. For all graphs data is presented for both the compacted and uncompacted zones over two time periods Bars denote means, whiskers pooled SE.</p>