2021
DOI: 10.1016/j.quascirev.2020.106762
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Archaeological cereals as an isotope record of long-term soil health and anthropogenic amendment in southern Scandinavia

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Cited by 32 publications
(15 citation statements)
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“…The grains were well preserved, and the samples were reanalysed to ensure accuracy, so charring at high temperatures or analytical error is unlikely, although contamination cannot be ruled out (see OSM2). Similarly high δ 15 N isotope values for Neolithic naked barley were obtained from Frydenlund in Denmark (13.8‰) (Gron et al 2021) and Oldenburg LA77 in Germany (13.9‰) (Filipović et al 2019), which the latter authors suggest might reflect the use of seaweed fertiliser or manure from seaweed-eating herbivores. The impact of fertilising crops with manure from herbivores with marine diets has yet to be assessed, and crop trials of hulled barley in Orkney using seaweed fertiliser have not produced δ 15 N crop isotope results above 5.6‰ (Blanz et al 2019).…”
Section: Crop-growing Conditions In Neolithic Scotlandmentioning
confidence: 70%
“…The grains were well preserved, and the samples were reanalysed to ensure accuracy, so charring at high temperatures or analytical error is unlikely, although contamination cannot be ruled out (see OSM2). Similarly high δ 15 N isotope values for Neolithic naked barley were obtained from Frydenlund in Denmark (13.8‰) (Gron et al 2021) and Oldenburg LA77 in Germany (13.9‰) (Filipović et al 2019), which the latter authors suggest might reflect the use of seaweed fertiliser or manure from seaweed-eating herbivores. The impact of fertilising crops with manure from herbivores with marine diets has yet to be assessed, and crop trials of hulled barley in Orkney using seaweed fertiliser have not produced δ 15 N crop isotope results above 5.6‰ (Blanz et al 2019).…”
Section: Crop-growing Conditions In Neolithic Scotlandmentioning
confidence: 70%
“…An established protocol for stable isotope analysis is not available for seeds. Different methods have been applied: acid-base-acid pre-treatment protocol (Bogaard et al 2013; Fraser et al 2013b) and crushing and powdering raw seeds (Heaton et al 2009; Gron et al 2017, 2020) were the most applied approaches in recent attempts. Considering the results obtained by Vaiglova et al (2014), we crashed the seeds in a mortar and the powder was inlet into the isotope ratio mass spectrometer.…”
Section: Methodsmentioning
confidence: 99%
“…The analysis of the plant remains has often supported the archeological identification of horticultural practices, which were critical for developing farming strategies. Specifically, fertilization and irrigation practices, recognizable with changes in carbon and nitrogen stable isotopes ratios, are two of the most significant technological improvements for boosting soil exploitation, supporting both sedentary lifestyles and the market economy (Wallace et al 2015; Styring et al 2016; Gron et al 2017, 2020; Knipper et al 2020; Mnich et al 2020; Varalli et al 2021).…”
Section: Introductionmentioning
confidence: 99%
“…For example, the farming system now suggested for the Funnel Beaker culture could involve a considerable degree of mobility through a reliance on slash-and-burn cultivation (Schier 2009) and the movement of cattle be-tween communities, sometimes even across bodies of water (Gron et al 2016). However, as manuring was also practised (Gron et al 2021), there appears to have been diversity in economic strategies between and perhaps within groups. Dietary isotopes also show different proportions of marine resource consumption in burial populations as late as the Middle Neolithic (Fraser et al 2018;Terberger et al 2018).…”
Section: An Unsettled Neolithicmentioning
confidence: 99%