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Variations of Nitrogen-15 Abundance in Soils

H. H. Cheng, J. M. Bremner and A. P. Edwards
Science
New Series, Vol. 146, No. 3651 (Dec. 18, 1964), pp. 1574-1575
Stable URL: http://www.jstor.org/stable/1715132
Page Count: 2
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Abstract

A survey of the isotopic composition of soil nitrogen has shown that there is variation in the abundance of nitrogen-15 in soils and in different forms of soil nitrogen. The variation detected is small, but it cannot be attributed to analytical errors and should be considered in studies of nitrogen transformation in soils when nitrogen-15 is used as a tracer.

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