ABSTRACT The largest of peatland on the island of Sumatra is Riau Province, which is 3.89 million hectares out of 6.49 million hectares of the total peatland area on the island of Sumatra. Approximately 1,037,020 ha of peatland in Riau Province that can be utilized and managed in the agricultural sector. One of the efforts to use peatlands by the Riau community is to apply an agroforestry …