First, there is a clear trend for the average grain breadth to increase in size from the beginning of the time series: from 0.8 mm before 4000 BC to between 1.3 mm and 1.7 mm after AD 750.
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Transition From Wild to Domesticated Pearl Millet (<i>Pennisetum glaucum)</i> Revealed in Ceramic Temper at Three Middle Holocene Sites in Northern Mali.
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