A COMPARISON OF NATURAL AND FALLOUT RADIOACTIVITY IN ONTARIO SOILS UNDER PINE
The radioactivity of organic litter layers of pinewood soils of southern Ontario sampled in the spring of 1962, after resumption of thermonuclear weapons testing, was about l2 times that of soil samples from the same region collected during the spring of 1961 and about 30 times the natural BETA activity before worldwide thermonuclear fallout. Mineral soils sampled during the same periods showed little differences in radioactivity. Leaf litter from angiosperm trees was more radioactive than litter from gymnosperm trees. (C.H.)
- Research Organization:
- Univ. of Minnesota, Minneapolis
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-18-018044
- OSTI ID:
- 4032626
- Journal Information:
- Can. J. Botany, Journal Name: Can. J. Botany Vol. Vol: 41
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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