Abstract

Bush bean plants were grown for 14 days in Yolo loam soil to which strontium-85 had been blended uniformly. Stable Sr was additionally applied at rates of 0, 10, 25, and 100 micrograms per gram of soil. The results in uptake of 85Sr and stable Sr implied that there was somewhere around 8 ±g available native Sr per g soil. Without added Sr, bush beans contained 72, 30, and 64 ±g/g stable Sr per g for primary leaves, trifoliate leaves, and stems, respectively. The addition of stable Sr was reflected in increased plant uptake of stable Sr. It was postulated that native soil Sr would have much greater effect on radioactive Sr transport than would soil Ca. The Y value for Sr uptake was near In 2.

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