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Article

Soil Limitations to Agrarian Land Production in Premodern Iceland

Citation
Simpson I, Adderley WP, Gudmundsson G, Hallsdottir M, Sigurgeirsson MA & Snaesdottir M (2002) Soil Limitations to Agrarian Land Production in Premodern Iceland, Human Ecology, 30 (4), pp. 423-443.

Abstract
Early arable activity in Iceland, introduced in the late ninth century A.D., has been characterized as marginal and at a subsistence level, largely abandoned by the 1500s as a result of climatic deterioration. This view has been advanced without considering soils data, the medium in which crops are grown and in which evidence of early land management is retained. Soil thin section micromorphology together with soil total phosphorus values are used to assess land manuring and cultivation strategies at two sites in south-west Iceland, where place name and palynological evidence indicate that arable activity has taken place. Agro-ecosystem modeling, using the CENTURY model, is undertaken to predict grain yields at these sites, and to assess the significance of soil properties and soil management in determining yields. The results of these analyses demonstrate that manure application rates were low, and support the view that grain yields were at a subsistence level. The results also suggest soils, and the management of soils, rather than climate was the major limitation to arable production. Shortages of both available manure and labor are suggested as barriers to soils and grain productivity improvements in early Iceland. The paper highlights the need to include soils analyses in discussions of early agricultural economies.

Keywords
Soil micromorphology; Agro-ecosystem modelling; Norse settlement; Historical ecology; Medieval Iceland; Cultural landscapes; Palaesols; North Atlantic; Arable; Barley; Iceland Commerce History To 1262; Iceland History To 1262; Land settlement patterns, Iceland; Soil formation Iceland; Archaeological geology

Journal
Human Ecology: Volume 30, Issue 4

StatusPublished
AuthorsSimpson, Ian; Adderley, W Paul; Gudmundsson, Gardar; Hallsdottir, Margret; Sigurgeirsson, Magnus A; Snaesdottir, Mjoll
Publication date01/12/2002
Publication date online05/04/2002
URLhttp://hdl.handle.net/1893/1492
PublisherSpringer / Plenum Publishing Corporation
ISSN 0300-7839
LanguageEnglish
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