5 1 10 Agus Susanto Additional Author Donald Siahaan Additional Author Yurna Yenni Additional Author Nasrullah Additional Author Hari Priwiratama Additional Author Muhammad Akmal Agustira Additional Author Abdul Razak Purba Additional Author Rizki Amelia Additional Author Dja\'far Additional Author Angga Jatmika Additional Author Hasrul Abdi Hasibuaan Additional Author mixed material 0853196X Medan Pusat Penelitian Kelapa Sawit (PPKS) 2012 Cvr_Jur._PPKS.JPG Eka Nuryanto Additional Author Basuki Wirjosentono Additional Author TEGUH WAHYONO Additional Author Agus Susanto Additional Author Agus Eko Prasetyo Additional Author Heri Santoso Additional Author Meta Rivani Additional Author Nasrullah Additional Author Muhammad Akmal Agustira Additional Author Harimurti Buntaran Additional Author Tjahyono Herawan Additional Author Rizki Amelia Additional Author Harry Agusnar Additional Author Henny Lydiasari Additional Author Djoko Sunindyo Additional Author Pablito R. Tolentino Additional Author mixed material 0853196X Medan Pusat Penelitian Kelapa Sawit (PPKS) 2013 Cvr_JPKSv21n3des13.JPG Agus Susanto Additional Author Winarna Additional Author Agus Eko Prasetyo Additional Author Donald Siahaan Additional Author Yurna Yenni Additional Author Nasrullah Additional Author Hari Priwiratama Additional Author Sri Wening Additional Author E.S. Sutarta Additional Author Frisda R. Panjaitan Additional Author Amir Purba Additional Author K. Murtilaksono Additional Author Harimurti Buntaran Additional Author S. Sabihan Additional Author A. Sutandi Additional Author Tua Parulian Sianipar Additional Author Bambang Drajat Additional Author Sri Suryanti Additional Author Delima H. Darmawan Additional Author mixed material 0853196X Medan Pusat Penelitian Kelapa Sawit (PPKS) 2014 Cvr_JPKSv22n1april14.JPG Nasrullah Additional Author mixed material Los Banos University of the Philippines 1986 Cvr_Evaluation_of_.....JPG Daswir Additional Author LALANG BUANA Additional Author Dwi Asmono Additional Author DARNOKO Additional Author A. Razak Purba Additional Author Fatmawati Additional Author A.Sipayung Additional Author SOEMARTONO Additional Author Nasrullah Additional Author Tri Hutomo Additional Author Rachmat Adiwiganda Additional Author Zulkarnain Poeloengan Additional Author Akiyat Additional Author A.D. Koedadiri Additional Author A.U. Lubis Additional Author P.Purba Additional Author R.A.Lubis Additional Author Alex Hartana Additional Author Edi Guhardja Additional Author Sudirman Yahya Additional Author L.A. Napitupulu Additional Author G.Ginting Additional Author J.Brahmana Additional Author Iswandi Anas Additional Author mixed material Medan Pusat Penelitian Kelapa Sawit 1993 IMG_20190201_0001.jpg