10 1 10 VOLUME 1 NOMOR 3 Adiwiganda, M. Rachmat Primary Author mixed material 0853120X Medan RISPA 1991 ber_perkeb_3.jpg.jpg Kabul Pamin Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Witjaksana Darmosarkoro Additional Author Dwi Asmono Additional Author Tjahjono Herawan Additional Author Rachmat Adiwiganda Additional Author Arsyad D. Koedadiri Additional Author SUGIYONO Additional Author Endang Susilawati Additional Author Muhamad Ikwan Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1998 cover_warta_vol6no2.jpg Kabul Pamin Additional Author Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Purboyo Guritno Additional Author Eka Nuryanto Additional Author Endang Syamsuddin Additional Author Rolettha Y. Purba Additional Author Tjahjono Herawan Additional Author Rachmat Adiwiganda Additional Author Hasril Hasan Siregar Additional Author Angga Jatmika Additional Author Supriyadi Sadi Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1997 cover_warta_vol5no3.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 Z. Poeloengan Additional Author Adlin U. Lubis Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Gale Ginting Additional Author Fatmawati Additional Author Amir Purba Additional Author ADIWIGANDA, Rachmat Additional Author Angga Jatmika Additional Author P.L. Tobing Additional Author Subronto, Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1996 cover_warta_vol4no1.jpg Adiwiganda, M. Rachmat Additional Author mixed material Medan UISU 1979 Cvr_Pemetaan_tanah_semi_.....JPG Adiwiganda, Mamat Rachmat Additional Author mixed material Ghent Fac. of Sci. Lab. of Gen Pedology 1990 Cvr_Raising_the_quality.JPG Adiwiganda, Mamat Rachmat Additional Author mixed material Ghent State Univ. of Ghent. 1986 Cvr_Classification_problems_.....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 ADIWIGANDA, Rachmat Additional Author mixed material Medan PPKS 1995