also , he reorganized and reinforced the kaimai shiho (rice trading system ) that he forced farmers to provide the domain with surplus rice which was shipped to edo to gain more profit . また、買米仕法を再編強化し、農民から余剰米を強制的に供出させ、それを江戸に廻漕して利益を増大させた。
kuramai-dori type of gokenin cashed surplus rice over and above their own consumption through fudasashi (tokugawa-period merchants who obtained the right to provide cash on the security of a vassal ' s rice stipends ) who had their shops in front of government rice storehouses . 蔵米取りの御家人は自家消費分以外の切米（米穀）を、御米蔵の前に店を構える札差を通じて現金化した。
at that time , because of the long-lasting peace , jomai which was originally stockpiled for the purpose of the military was gradually being used as a redress for the disaster such as famine , or diverted to the resources of extraordinary expenses , and finally , in 1689 , the bakufu put the criteria of stock back before kanbun era to cover the deficit of its financial affairs and sold the surplus rice . 当初、軍事目的のための備蓄米であった城米も長い間の平和のために次第に飢饉などの災害の救済や臨時の出費の際の財源に流用されるようになり、ついに元禄2年（1689年）には、幕府財政の赤字穴埋めのために備蓄量を寛文以前に戻し、その余剰を売却させている。
