《元史·本纪·卷十七》
因为广济署的屯田遭受蝗灾之后又遭水灾，减免今年的田租九千二百一十八石。
以广济署屯田既蝗复水，免今年田租九千二百十八石。
As the military farmland under the control of Guang Ji Department suffered from locust and flood, this year’s farmland tax of 9,218 shi was exempted.