The natural abundance of 15n in the soil-water system of a small catchment area

Black A.S. and Waring S.A. (1977) The natural abundance of 15n in the soil-water system of a small catchment area. Australian Journal of Soil Research, 15 1: 51-57. doi:10.1071/SR9770051


Author Black A.S.
Waring S.A.
Title The natural abundance of 15n in the soil-water system of a small catchment area
Journal name Australian Journal of Soil Research   Check publisher's open access policy
ISSN 0004-9573
Publication date 1977-01-01
Sub-type Article (original research)
DOI 10.1071/SR9770051
Open Access Status
Volume 15
Issue 1
Start page 51
End page 57
Total pages 7
Subject 1111 Nutrition and Dietetics
2304 Environmental Chemistry
Abstract The15N abundance in components from a 100 ha catchment was determined. Δ15N values for fertilizer nitrogen ranged from -4•1 to 1 • 9 and for nitrate nitrogen in water from 4•4 to 6 • 1. Δ15N values for total nitrogen from three sites ranged from 2•9 to 6•7 and for nitrate released during laboratory incubations from -0•2 to 4•2. The variability in Δ15N of nitrate released by mineralization between replicates and within each sampling site was small. The Δ15N for nitrate released under bare fallow was 5•5. The use of these variations in15N abundance is discussed. The Δ15N values for nitrate from soil intervals to 6m increased with depth. This result is discussed in terms of fractionation in a nitrate adsorbing soil.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 04 Oct 2016, 12:39:45 EST by System User