ABSTRACT Shorea leprosula Miq. is a Dipterocarpacean tribe that is very adaptive in open areas, both in submerged and dry peatlands. This is one of the triggering factors for cultivating meranti plants in Riau, which are predominantly peatlands. Superior meranti plants need to use fertilizers as a medium to improve plant quality. One of them is cow urine waste that can be used at an affordable…