This research aims to study the effect of the interaction of azolla green fertilizer and NPK fertilizer on the growth and yield of sweet corn and get the best treatment combination. This research was conducted in experimental garden Faculty of Agriculture University of Riau Bina Widya km 12,5 Simpang Baru, Kecamatan Tampan, Pekanbaru. Conducted from March to June 2017. This research uses Factor…