Shoen koryo sei (The System of Public Lands and Private Estates) mainly based on shoen, was established in this period, and after that until the sixteenth century, shoen continued to exist as a source of income for the nobles.
荘園などを中心とした支配体制である荘園公領制はこの時期に成立し、以後、16世紀まで荘園は貴族たちの収入源として存在し続ける。