13 1 50 pemanfaatan drone pada kelapa sawit Darmosarkoro, Witjaksana Primary Author SUTARTA, EDY SIGIT Primary Author YUSUF, M. ARIF Primary Author Wiratmoko, Dhimas Primary Author Santoso, Heri Primary Author mixed material 9786027539235 Medan Pusat Penelitian Kelapa Sawit 2015 BUKU_BIRD_VIEW_PEMANFAATAN_DRONE_PADA_KELAPA_SAWIT.jpg.jpg BAGAIMANA MEMPEROLEH BIBIT YANG JAGUR? WITJAKSANA DARMOSARKORO Primary Author mixed material 9789798529818 Medan PPKS 2008 PMBIBITAN_KS.gif.gif Witjaksana Darmosarkoro, dkk Primary Author mixed material 9798629324 Medan Pusat Penelitian Kelapa Sawit 2006 tos7nvpl.png.png HIDAYAT, TAUFIQ CAESAR Primary Author WAN RISKI FAUZI Additional Author SUROSO RAHUTOMO Additional Author YUSRAN PANGARIBUAN Additional Author IMAN YANI HARAHAP Additional Author WILY ARIA HARSANTO Additional Author Edy Sigit Sutarta Primary Author Darmosarkoro, Witjaksana Primary Author Iman Budhi Santosa Primary Author mixed material 9786027539105;co Jakarta Balai Penelitian Hutan 1981 Untitled14.png.png Darmosarkoro, Witjaksana Primary Author SUTARTA, EDY SIGIT Primary Author SIREGAR, HASRIL HASAN Primary Author HARAHAP, IMAN YANI Primary Author SYAMSUDDIN, ENDANG Primary Author mixed material 9798529499 Medan Pusat Penelitian Kelapa Sawit 2005 SERI_BUKU_SAKU_10_ANTISIPASI_%26_PENANGGULANGAN_PENGARUH_KEKERINGAN_PADA_KELAPA_SAWIT.jpg.jpg.jpg Darmosarkoro, Witjaksana Primary Author Sugiyono Primary Author SUTARTA, EDY SIGIT Primary Author SIREGAR, HASRIL HASAN Primary Author mixed material 9798529391 Medan Pusat Penelitian Kelapa Sawit 2005 SERI_BUKU_SAKU_03_PENINGKATAN_EFEKTIVITAS_PEMUPUKAN_KELAPA_SAWIT.jpg.jpg.jpg Darmosarkoro, Witjaksana Primary Author SYAMSUDDIN, ENDANG Primary Author Prawirosukarto, Sudharto Primary Author Purba, Amir Primary Author mixed material 979852943X Medan Pusat Penelitian Kelapa Sawit 2005 SERI_BUKU_SAKU_06_TANAMAN_PENUTUP_TANAH_DAN_GULMA_PADA_KEBUN_KELAPA_SAWIT_BUKU_II.jpg.jpg.jpg Darmosarkoro, Witjaksana Primary Author Edy Sigit Sutarta Additional Author Winarna Additional Author Eko Noviandi Ginting Director mixed material 9798529316 Medan Pusat Penelitian Kelapa Sawit 2003 lahan.GIF.GIF WITJAKSANA DARMOSARKORO Primary Author mixed material 9786028960557 Heidelberg IBRA 2011 FITOPATOLOGI_%28ILMU_PENYAKIT_TUMBUHAN%29.jpg.jpg SUTARTA, EDY SIGIT Primary Author LUBIS, ADLIN U. Primary Author WITJAKSANA DARMOSARKORO Primary Author mixed material Bandar Kuala Asosiasi Penelitian dan Pengembangan Perkebunan Indonesia 1992 WITJAKSANA DARMOSARKORO Primary Author mixed material Medan PPKS KELAINAN.gif.gif WITJAKSANA DARMOSARKORO Primary Author mixed material Medan PPKS PEMUPUKAN_KS.gif.gif SIREGAR, HASRIL HASAN Additional Author HARAHAP, IMAN YANI Additional Author Darmosarkoro, Witjaksana Additional Author SUTARTA, EDY SIGIT Additional Author SYAMSUDDIN, ENDANG Additional Author mixed material 97982949 Medan Pusat Penelitian Kelapa Sawit 2005