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Rahmadi Additional Author mixed material 0853196X Medan Pusat Penelitian Kelapa Sawit (PPKS) 2016 Cvr_Jurnal_PPKS_v24n2_Agst_16.JPG Eka Nuryanto Additional Author Iman Yani Harahap Additional Author PUSAT PENELITIAN KELAPA SAWIT Additional Author Suroso Rahutomo Additional Author Eko Noviandi Ginting Additional Author Hasril Hasan Siregar Additional Author Nanang Supena Additional Author Nuzul Hijri Darlan Additional Author Eka LIstia Additional Author Ambar Kurniawan Additional Author Ratnawati Nurkhoiry Additional Author Zulfi Prima Sani Nasution Additional Author Iput Pradiko Additional Author Muhdan Syarovy Additional Author Ellen Additional Author Muhayat Additional Author Tito Sucipto Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2017 Cvr_Warta_PPKS_V22N3_Okt_2017.JPG Eka Nuryanto Additional Author Iman Yani Harahap Additional Author Edy Suprianto Additional Author PUSAT PENELITIAN KELAPA SAWIT Additional Author Agus Susanto Additional Author Agus Eko Prasetyo Additional Author Hasrul Abdi Hasibuan Additional Author Nuzul Hijri Darlan Additional Author Iput Pradiko Additional Author Erwinsyah Additional Author PURBA, Abdul Razak Additional Author SIREGAR, Hasril Hasan Additional Author Atika Afriani Additional Author Ori Ariyandi Additional Author Eddyanto Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2016 Cvr_Warta_PPKS_v21n1_Februari_16.JPG Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Eka Nuryanto Additional Author Iman Yani Harahap Additional Author Agus Susanto Additional Author Winarna Additional Author Agus Eko Prasetyo Additional Author Heri Santoso Additional Author Yurna Yenni Additional Author Nuzul Hijri Darlan Additional Author Iput Pradiko Additional Author Sujadi Additional Author Donnarina Simanjuntak Additional Author Rizki Amalia Additional Author Wahyono, Teguh Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2015 Cover_Warta_Vol._20_No._1_Februari_2015.pdf13.jpg Pusat Penelitian Kelapa Sawit (PPKS) Additional Author SUGIYONO Additional Author Nadjib Fauzy Additional Author S. 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Siregar Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2006 cover_warta_ppks_vol14no2.jpg Edy Suprianto Additional Author PUSAT PENELITIAN KELAPA SAWIT Additional Author Agus Eko Prasetyo Additional Author Hasrul Abdi Hasibuan Additional Author Hernawan Yuli Rahmadi Additional Author Nuzul Hijri Darlan Additional Author Ratnawati Nurkhoiry Additional Author Sri Wening Additional Author Abdul Razak Purba Additional Author Vita Dhian Lelyana Additional Author mixed material 9786027539242 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2015 PTKS_2015.JPG Peningkatan efektifitas pemupukan kelapa sawit Witjaksana Darmosarkoro Primary Author PUSAT PENELITIAN KELAPA SAWIT Additional Author Edy Sigit Sutarta Primary Author Nuzul Hijri Darlan Primary Author SUGIYONO Primary Author Hasan Hasril Siregar Primary Author mixed material 9798529391 Medan PPKS 2005 12546.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