Submicroscopic measurements of tracer distribution related to surface features of soil aggregates
作者： M.M. Nobles , L.P. Wilding , K.J. McInnes
DOI: 10.1016/J.GEODERMA.2004.01.028
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摘要: Abstract Previous studies suggested that surface features of soil aggregates, such as clay coatings and slickenside surfaces, could serve slowly permeable barriers for tracer movement into aggregates. The objective the research was to identify transport solutes at submicroscopic scale related aggregate in two Vertisols an Alfisol. Solute flow through structural interfaces these soils estimated by identifying visual distribution Brilliant Blue FCF anionic (Br) means electron microprobe analysis. moved pedofeatures subjacent matrix distances 0.5–1 mm. In contrast dye, Br across 1 4 cm interior. These results suggest surfaces did not act significant penetration matrix.
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