Distribution of Strontium-90 in a 1959 Wheat Sample

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Science  17 Mar 1961:
Vol. 133, Issue 3455, pp. 755-756
DOI: 10.1126/science.133.3455.755


At least 22 percent of the strontium-90 found in a sample of wheat harvested in 1959 was due to direct deposition. Twenty-seven percent of the total strontium-90 content of this wheat sample was contained in the outermost bran layer.