On the other hand, there was little economic incentive for making Tanada (on a steep slope) in eastern Japan where most domains were large, so they rarely made Tanada, and when they did, dikes and mounds were mild land elevations and the sights of Tanada were quite different from those in western Japan.
一方、東日本は藩の規模が大きかったため、（急傾斜）棚田をつくる経済的インセンティブが働かず、棚田はあまりつくられないか、つくられた場合でも畔や土手は傾斜が緩やかな土盛りとなり、西日本とは対照的な棚田風景となった。