The purpose of this study was to determine the effect of giving green kirinyuh manure and NPK fertilizer and to get the best treatment between green kirinyuh and NPK to growth of the oil palm seedlings (Elais guineensis Jacq.) in the main nursery. The study was conducted at the experimental farm of Agriculture Faculty Of Riau University on Jl. Bina Widya KM 12,5 Simpang Baru, Tampan, Pekanbaru …