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Behavior of Radioactive Fallout in Soils and Plants (1963) / Chapter Skim
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PLANT RELATIONS
Pages 9-12

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From page 9...
... Other work (140) indicates that the tips of barley roots absorb various ions readily but that the greatest translocation occurs from a region 30 mm above the tip.
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From page 10...
... A conclusion from studies of plant material near the Operation Hurricane test site (108) is that the radioactive contaminants were carried by airborne soil, which lodged upon the leaves, and were then partially dissolved by nocturnal dew.
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From page 11...
... The proposed plant-base mechanism provides a reasonable explanation for the strontium-90 concentration in pasture vegetation, which appears far too high to be accounted for from expected soil uptake and foliar absorption.
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From page 12...
... . Since the plants of the grass family have relatively shallow root systems, they will preferentially absorb nuclides occurring near the surface rather than those placed at a greater depth.
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Key Terms

  • plant species
  • wheat plants
  • surface contamination
  • aerial contamination
  • strontium content

  • root mat
  • aerial plant
  • plant root
  • plants absorbed
  • soil depth

  • slow turnover
  • roots absorb
  • food chain
  • plant material
  • plant cesium

  • operation hurricane
  • plant kingdom
  • fallout nuclides
  • applied ruthenium
  • vascular tissues

  • tively shallow
  • strontium tends
  • vascular tissue
  • stratospheric fallout
  • soil uptake

  • plants strontium
  • root apex
  • strontium enters
  • grass pastures
  • absorb strontium


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