Kanden were established throughout the country; in the delta land on th south side of the lower Yangtze River, a great deal of land which had the highest agricultural productivity had been kanden since the Southern Song Dynasty, and in the early Ming period, 45% of farmlands in the six prefectures of Changzhou, Zhenjiang, Suzho city, Songjiang city, Huzhou and Jiaxing were kanden.
官田は全国各地に置かれたが、最も農業生産力が高い長江下流南岸のデルタ地帯では、南宋の頃から多くの土地が官田化され、明代の初めには、常州、鎮江、蘇州市、松江市、湖州、嘉興市の6府の農地の45%が官田で占められた。