After the middle of Tang dynasty the equal-field system collapsed and the imperial court, aristocrats, warriors, local ruling families and so on increasingly tended to own the fields (of rice and other crops) as their asset and in various regions shoden (field within a manor) and shoen came to be formed.
中唐以後均田制が崩壊すると、宮廷や貴族、武人、地方の豪族などが個人で田畠を財産として私有する風潮が強まり、各地で荘田・荘園が形成されるようになる。