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Echinochloa esculenta(syn. Echinochloa utilis Ohwi & Yabuno), is a species of Echinochloa that is cultivated on a small scale in Japan, China, and Korea, both as a food and for animal fodder. It is grown in areas where the land is unsuitable or the climate too cool for paddy rice cultivation. However, the development of rice varieties that can withstand cold has led to a sharp decline in its cultivation of sawa millet, in favor of rice. The earliest records of the domesticated form date to 2000 BC from the Jomon period of Japan.
