Charring is the most ubiquitous form of preservation of plant material on archaeological sites, occurring wherever people use heat. The usefulness of preserved seeds for a range of analytical techniques is dependent on the conditions under which they were heated. In this study, we investigate the effect of experimental heating on two types of glume wheat grain (einkorn and emmer) under a range of conditions, with the intention of establishing the likely parameters for the generation of virtually undamaged, undistorted charred cereal grain on archaeological sites. The results show that grain morphology is very sensitive to the charring conditions, especially temperature, and that well preserved grains with little distortion are produced at relatively low temperatures (220 -2408C). The implications of these findings for the study of grain morphology, biomolecules and chemical composition are assessed.
In much of Europe, the advent of low-input cereal farming regimes between c.ad 800 and 1200 enabled landowners—lords—to amass wealth by greatly expanding the amount of land under cultivation and exploiting the labour of others. Scientific analysis of plant remains and animal bones from archaeological contexts is generating the first direct evidence for the development of such low-input regimes. This article outlines the methods used by the FeedSax project to resolve key questions regarding the ‘cerealization’ of the medieval countryside and presents preliminary results using the town of Stafford as a worked example. These indicate an increase in the scale of cultivation in the Mid-Saxon period, while the Late Saxon period saw a shift to a low-input cultivation regime and probably an expansion onto heavier soils. Crop rotation appears to have been practised from at least the mid-tenth century.
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