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Military-Agricultural Colonies and Loose Rein Administration in the Hexi Corridor

Type Event Region Northwest China Time 725–730

Around 725 CE, the Tang implemented large-scale military colonies and loose rein prefectures along the Hexi Corridor, garrisoning the Silk Road and s…

Timeline

  1. 725–728Ganzhou · Hexi CorridorThe Tang expanded military colonies and built irrigation works in Ganzhou, Liangzhou, and other prefectures, making garrison troops self-sufficient in grain, easing inland transport burdens, and consolidating the military presence in the Hexi Corridor.
  2. 725–730Liangzhou · Hexi CorridorThe court established loose rein commanderies and prefectures for submitted tribes, appointing tribal leaders as regional inspectors with hereditary rule, incorporating them into the Tang tributary system; together with military garrisons, they jointly maintained Silk Road traffic.

Sources