The system in Northern Wei was as follows: A bare field (arable field) of approx. 1.87 hectares and a field for hemp of approx. 0.47 hectares were supplied to each of the males at the age of 15 or older, and a bare field of approx. 0.93 hectares and a field for hemp of approx. 0.23 hectares to each female, and these fields had to be returned when the age of 59 was reached.
北魏では、15歳以上の男子に露田（耕田）40畝（約1.87ヘクタール）と麻田10畝（約0.47ヘクタール）を、女子には同じく20畝（約0.93ヘクタール）と麻田5畝（約0.23ヘクタール）を支給し、59歳になったときに返すとされていた。