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This article in JEQ

  1. Vol. 8 No. 2, p. 229-232
    Received: Dec 23, 1977

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The Effect of Soil-added Cadmium on Several Plant Species1

  1. L. J. Miles and
  2. G. R. Parker2



Several species (Andropogon scopanus, Shus radicans, Rudbeckia hirta, Anemone cylindrica, Monarda fistulosa, Poa pratensis, and Liatris spicata) native to northwestern Indiana were grown from seed in the greenhouse for 6 weeks. An uncontaminated sandy soil was utilized as the substrate with four levels of soil-added Cd. The concentrations added ranged from 0 to 100 µg Cd/g soil and were comparable to surface soil Cd concentration levels found in the urban-industrial region of northwestern Indiana.

Data on germination, survival, height, and dry weight were collected. Germination, survival, and weight were found to exhibit a negative response to increasing soil Cd concentration over all species. Height, however, was not found to be a consistently good indicator of Cd response. While overall species' differences were noted, no differences could be conclusively shown among the species for Cd tolerance, although there were indications that this was the case. All effects noted were of a low level for the soil-added Cd concentrations utilized.

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