As the land owned by Jindai-ji Temple, a branch temple of Kanei-ji Temple, was not suitable for rice farming because it was so infertile, kosakunin (tenant farmers) used to cultivate buckwheat and deliver it to the temple.
寛永寺の末寺である深大寺の寺領は土地が痩せ稲作に向かなかったため、小作人はかわりに蕎麦を栽培し寺に納めていた。