9 1 10 Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author S. Rahutomo, Arsyad D. Koedadiri Additional Author Syamsul Anwar, Petrus Purba Additional Author Eka Nuryanto, Enny Ratnaningsih, Herri Susanto Additional Author Donald Siahaan, Jenny Elisabeth, Tri Haryati, Purboyo Guritno, Yuniarti Yusak Additional Author Renni Yuliasari, Darnoko, Klaus Wulfert, Waldemar Gindulis Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2001 cover_warta_vol9no2.jpg Kabul Pamin Additional Author Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Edy Suprianto Additional Author Dwi Asmono Additional Author TEGUH WAHYONO Additional Author A. Razak Purba Additional Author Gale Ginting Additional Author Fatmawati Additional Author Ferry Salman Additional Author SUGIYONO Additional Author Nadjib Fauzy Additional Author Petrus Purba Additional Author P.L. Tobing Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1998 cover_warta_vol6no3.jpg Kabul Pamin Additional Author Daswir Additional Author Z. Poeloengan Additional Author Adlin U. Lubis Additional Author Dj. Pardede Additional Author PPKS Additional Author Kusnu Martoyo Additional Author Rachmat Adiwiganda Additional Author Hasril Hasan Siregar Additional Author Amir Purba Additional Author Angga Jatmika Additional Author Petrus Purba Additional Author P.L. Tobing Additional Author Adiwiganda, Y. Taryo Additional Author Sjukri Hamid Additional Author C.U. Ginting Additional Author H. Wibowo Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1996 cover_warta_vol4no3.jpg Pembukaan lahan dan penanaman kelapa sawit Witjaksana Darmosarkoro Primary Author PUSAT PENELITIAN KELAPA SAWIT Additional Author M. Lukman Fadli Primary Author Dhimas Wiratmoko Primary Author Edy Sigit Sutarta Primary Author Petrus Purba Primary Author mixed material 9798529642 Medan PPKS 2006 12659.jpg.jpg Kelapa sawit pada lahan gambut Witjaksana Darmosarkoro Primary Author PUSAT PENELITIAN KELAPA SAWIT Primary Author M. Lukman Fadli Primary Author Edy Sigit Sutarta Primary Author SUGIYONO Primary Author Petrus Purba Primary Author Eko Noviandy Ginting Primary Author mixed material 9798529634 Medan PPKS 2006 12658.jpg.jpg Pemeliharaan Tanaman Kelapa Sawit Belum Menghasilkan PUSAT PENELITIAN KELAPA SAWIT Primary Author M. Lukman Fadli Primary Author Agus Susanto Primary Author Suroso Rahutomo Primary Author Arsyad D. Koedadiri Primary Author Petrus Purba Primary Author Edy Sigit Sutarata Primary Author mixed material 9798529588 Medan Pusat Penelitian Kelapa Sawit 2005 12606.jpg.jpg Pemeliharaan tanaman kelapa sawit menghasilkan PUSAT PENELITIAN KELAPA SAWIT Additional Author Edy Sigit Sutarta Primary Author Nuzul Hijri Darlan Primary Author Amir Purba Primary Author Petrus Purba Primary Author B H Sitanggang Primary Author mixed material 9798529596 Medan PPKS 2005 12605.jpg.jpg Teknik Pengawetan Tanah dan Air Di Perkebunan Kelapa Sawit Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Winarna Additional Author Eko Noviandi Ginting Additional Author Edy Sigit Sutarta Additional Author Petrus Purba Additional Author mixed material 979852957X Medan Pusat Penelitian Kelapa Sawit (PPKS) 2005 TEKNIK_PENGAWETAN_TANAH_DAN_AIR-COVER.jpg Panen Pada Tanaman Kelapa Sawit Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Witjaksana Darmosarkoro Additional Author M. Lukman Fadli Additional Author Eko Noviandi Ginting Additional Author Edy Sigit Sutarta Additional Author Petrus Purba Additional Author mixed material 9798529650 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2006 sbs_22_panen_pd_tanaman_ks_cet_1_ppks_06.jpg