Around 1926, Ichiro Kumagai, who was an inspector of farming at the town office of Toyoda-cho (the former Idoori Village), in the previous Iwata district, introduced ebi-imo into the area as a new crop to deal with the Showa recession.
昭和2年頃、旧磐田郡豊田町（旧井通村）役場の農事監督官、熊谷一郎氏が、昭和の不況対策のため新作物として導入した。