Hidayati N, Indrayanti AL. Pemanfaatan Abu Boiler Kelapa Sawit terhadap Pertumbuhan Tajuk Tanaman Tomat: Boiler Ash Utilization of Palm Oil On the Growth Of Tomato Plant Shoot. Daun J Pertanian Kehutanan. 2015;2(1):54-65. doi:10.33084/daun.v2i1.174