This study aims to look at the effect of giving rice husk charcoal and interaction of rice husk charcoal and P fertilizer are good for increasing the yield of sweet corn on peatlands. The research was carried out on peatlands, Jl. Manunggal, Tuah Madani Village, Tampan District, Pekanbaru. This research was conducted for 4 months starting from September to December 2017. The study was carried o…