3 month old wheat plant cultivar Zebedee grown in clay loam soil at a bulk density of 1.1. g cm-3 Pot dimensions 1 m height and 20 cm width. Growth conditions 12 hr light 12 hr dark. Day temp 20oC, night temp 10oC. VoxelsX=3940 VoxelsY=3940 VoxelsZ=1200 VoxelSizeX=0.0579 VoxelSizeY=0.0579 VoxelSizeZ=0.0579 unit = mm datatype = Unsigned big endian bitsperelement = 16