Large variation in nitrogen isotopic composition of a fertilized legume
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- 作者：Paul Szpaka ; paul.szpak@gmail.com" class="auth_mail ; Fred J. Longstaffeb ; Jean-Franç ; ois Millairea ; Christine D. Whitea
- 关键词：Stable isotopes ; Nitrogen ; Fertilizer ; Seabird guano ; Legumes ; Pulses ; Paleodiet
- 刊名：Journal of Archaeological Science
- 出版年：May 2014
- 年：2014
- 卷：45
- 期：Complete
- 页码：72-79
- 全文大小：813 K
文摘
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Legumes obtain variable amounts of N from the atmosphere depending on environmental conditions.
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Survey of published literature shows most legume 未15N values between −1 and +1‰.
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Common bean 未15N values are significantly impacted by seabird guano fertilizer (+16 to +19‰).
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For fertilizers with high N contents and/or high 未15N values, legume 未15N values are likely to increase.