This study aims to determine the interaction effect of rice husk charcoal and rice straw trichocompost and get the best dosage combination for growth and yield of sweet corn in peatlands. This research was conducted on December 2015 until March 2016. This research used a factorial Randomized Block Design with 3 replications. The first factor was rice husk charcoal (0, 3, 6 kg/plot), and the sec…