Metadata only entryA field experiment was set up to test the extent to which variations in the choice of wheat crops in the different regions of Britain during the later prehistoric and early historic periods may have been due to environmental factors. Triticum dicoccum Schübl.,Triticum spelta L. and Triticum compactum Host. were grown at 22 sites across Britain between October 1987 and September 1990. The results indicate that the yields of all three species are affected by certain environmental factors, and that Triticum spelta was higher yielding than Triticum dicoccum, with the exception of certain parts of southern Britain and in particularly warm years. However, these yield×environment interactions did not explain the variations in the choice of wheat crop across Britain. It is suggested that the switch from emmer to spelt wheat may, instead, have been the result of changes in cultivation regime during the period in question
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