Furthermore, the Hojo clan employed a tax system of shiko-rokumin (40% of the rice crop produced yearly was collected as a tax, and the remaining 60% became farmers' income), which was extremely favorable for farmers of that time, and Ieyasu could not raise the tax rate thoughtlessly either.
しかも北条氏は四公六民という当時としては極めて低い税率を採用しており、これをむやみに上げる訳にもいかなかった。