1 1 10 Iman Yani Harahap Additional Author PUSAT PENELITIAN KELAPA SAWIT Additional Author Winarna Additional Author Agus Eko Prasetyo Additional Author Hasrul Abdi Hasibuan Additional Author Yurna Yenni Additional Author Hernawan Yuli Rahmadi Additional Author Eka LIstia Additional Author Iput Pradiko Additional Author Sri Wening Additional Author Ernayunita Additional Author Erwinsyah Additional Author Bagus Giri Yudanto Additional Author Arsyad D. Koedadiri Additional Author Muhammad Akmal Agustira Additional Author Donnarina Simanjuntak Additional Author Arjanggi Nasution Additional Author Jefta M. Damanik Additional Author Andre S. Sitinjak Additional Author Fransisco Irvan Additional Author W. Tambunan Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2017 Cvr_Warta_PPKS_V22N1_Feb_2017.JPG