Complexities of nitrogen isotope biogeochemistry in plant-soil systems: implications for the study of ancient agricultural and animal management practices

P Szpak - Frontiers in plant science, 2014 - frontiersin.org
Nitrogen isotopic studies have the potential to shed light on the structure of ancient
ecosystems, agropastoral regimes, and human-environment interactions. Until relatively …

Synthetic fertilizer and livestock manure differently affect δ15N in the agricultural landscape: A review

WJ Choi, JH Kwak, SS Lim, HJ Park, SX Chang… - Agriculture, ecosystems …, 2017 - Elsevier
Synthetic fertilizers and raw or composted livestock manure are typical nitrogen (N) sources
in intensive cropping and livestock-farming systems. The distinct N isotope ratios (15 N/14 N …

Nitrogen isotopes and the trophic level of humans in archaeology

REM Hedges, LM Reynard - Journal of archaeological science, 2007 - Elsevier
Human and domesticate animal bone collagen δ15N values in prehistory differ generally by
3‰ or more from Neolithic to post-Roman times in Northwest Europe, leading to an …

Fertilizer nitrogen isotope signatures

AS Bateman, SD Kelly - Isotopes in environmental and health …, 2007 - Taylor & Francis
There has been considerable recent interest in the potential application of nitrogen isotope
analysis in discriminating between organically and conventionally grown crops. A …

Influence of seabird guano and camelid dung fertilization on the nitrogen isotopic composition of field-grown maize (Zea mays)

P Szpak, JF Millaire, CD White, FJ Longstaffe - Journal of Archaeological …, 2012 - Elsevier
Organic fertilizers have the capacity to alter the nitrogen isotopic composition of plants.
Camelid dung and seabird guano are two potentially important fertilizers in the agricultural …

Stable isotope evidence for salt-marsh grazing in the Bronze Age Severn Estuary, UK: implications for palaeodietary analysis at coastal sites

K Britton, G Müldner, M Bell - Journal of Archaeological Science, 2008 - Elsevier
Stable isotope analyses of modern coastal and salt-marsh plant species ('salt-loving'plants
or halophytes) have demonstrated that these are significantly enriched in 15N compared to …

Foliar δ15N values characterize soil N cycling and reflect nitrate or ammonium preference of plants along a temperate grassland gradient

A Kahmen, W Wanek, N Buchmann - Oecologia, 2008 - Springer
The natural abundance of stable 15 N isotopes in soils and plants is potentially a simple tool
to assess ecosystem N dynamics. Several open questions remain, however, in particular …

Stable isotopes in archaeobotanical research

G Fiorentino, JP Ferrio, A Bogaard, JL Araus… - Vegetation History and …, 2015 - Springer
In recent decades the analysis of stable isotopes in plants has become a useful method to
infer natural and anthropogenic effects on the growing conditions of plants. Here we present …

Analytical authentication of organic products: an overview of markers

E Capuano, R Boerrigter‐Eenling… - Journal of the …, 2013 - Wiley Online Library
Consumers' interest in organic foods is increasing and so is the need for robust analytical
tools for their authentication. This review focuses on the most promising …

Potential isotopic and chemical markers for characterising organic fruits

F Camin, M Perini, L Bontempo, S Fabroni, W Faedi… - Food Chemistry, 2011 - Elsevier
Several isotopic (13C/12C, 15N/14N, 18O/16O, 2H/1H, 34S/32S) and chemical–physical
parameters (pH, fruit weight, juice yield, titratable acidity, total soluble solids, skin resistance …