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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Buletin Agrohorti Jurnal Ilmu Pertanian Indonesia Jurnal Hortikultura Indonesia (JHI) MEDIA KONSERVASI Forum Pasca Sarjana Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Biospecies Reaktor Bioma : Berkala Ilmiah Biologi SAINS DAN MATEMATIKA Jurnal Ilmu Lingkungan Jurnal Natur Indonesia Ganendra: Majalah IPTEK Nuklir Jurnal Ilmiah Aplikasi Isotop Radiasi Microbiology Indonesia BIOTROPIA - The Southeast Asian Journal of Tropical Biology Journal of Tropical Soils Jurnal Sosial Ekonomi Pertanian Jurnal Agro Teknologi Tropika Indonesian Journal of Agricultural Science Jurnal Hortikultura Jurnal Agro Ekonomi Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Jurnal Sumberdaya Lahan Buletin Penelitian Tanaman Rempah dan Obat JTSL (Jurnal Tanah dan Sumberdaya Lahan) Wacana, Jurnal Sosial dan Humaniora Journal of Degraded and Mining Lands Management AGRIVITA, Journal of Agricultural Science Jurnal Solum Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Planta Tropika Jurnal Tataloka MAJALAH ILMIAH GLOBE SAINS TANAH - Journal of Soil Science and Agroclimatology Jurnal Penelitian Pertanian Tanaman Pangan Journal of Regional and Rural Development Planning Jurnal Penelitian Kelapa Sawit EKOLOGIA : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup JURNAL PANGAN Jurnal Agro Ekonomi Buletin Penelitian Tanaman Rempah dan Obat Jurnal Sumberdaya Lahan Jurnal Tanah dan Iklim Berita Biologi
Atang Sutandi
Departemen Ilmu Tanah Dan Sumber Daya Lahan, Fakultas Pertanian Institut Pertanian Bogor, Jl. Meranti Kampus IPB Dramaga Bogor 16680
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Journal : Journal of Tropical Soils

 1 
Effectivity of Soil Amelioration on Peat Soil and Rice Productivity Septiyana, .; Sutandi, Atang; Indriyati, Lilik Tri
JOURNAL OF TROPICAL SOILS Vol 22, No 1: January 2017
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2017.v22i1.11-20

Abstract

Peat soil amelioration has important role on improvement of soil peat fertility such as  on increasing soil pH,  reducing organic acid and toxic ions, and also increasing nutrients availability.  Soil amelioration with polyvalent cations (Fe Al Cu Zn) namely slag, lateritic soils, and river mud are effectively reducing harmful effect of phenolic acid. The objectives of the study were to determine the effect of soil amelioration on peat soil chemical properties, optimum temperature amelioran tras and dolomite to increase Si concentration in peat soil, also to determine the effect of soil amelioration on increasing crop productivity (both biomass and yield).  The study was consisted of two sets of experiments, namely soil incubation in the laboratory and greenhouse experiment with 4 replications of CRD (complete randomized design) plot design.  The result of the study showed that  the application of slag and dolomite are significantly different to increase pH, base saturation, and (Ca, Mg) content, meanwhile slag application was more complex and stable on improving chemical properties of peat soil.  Slag was also improving pH, KB, and Ca, Fe content  as well as silica and ash.  Tras and dolomite burning were not significantly different on increasing silica in peat soil. Slag application was significantly increased both dried crop biomass and yield on rice.  The best ameliorant was slag compared to tras, dolomite, and mixed tras dolomit with slag.Keywords: Ameliorant, organic acids, paddy, peat soil
Inaktivasi In Situ Pencemaran Kadmium pada Tanah Pertanian Menggunakan Amelioran dan Pupuk pada Dosis Rasional untuk Budidaya Tanaman Untung Sudadi; Supiandi Sabiham; Atang Sutandi; Muchammad Sri Saeni
JOURNAL OF TROPICAL SOILS Vol 13, No 3: September 2008
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2008.v13i3.171-178

Abstract

Arable soils located in the vicinity of urban and industrial area are considered vulnerable to heavy metals pollution.  Chemical inactivation, an in situ remediation method that used inexpensive chemicals to reduce pollutant solubility in polluted soil, was examined on a Cd-spiked arable soil. The study was aimed at to investigate the effectiveness of ameliorants and fertilizers normally recommended for crop cultivation, using tomato as the test plant, from the point of view to reduce soil Cd extractability and plant Cd concentration. A 100-day greenhouse experiment in completely randomized de­sign consisting of three rates of rationale dosage of ameliorants and fertilizers (RDAF) [0, 50, 100%] and four levels of soil Cd spike [0, 10, 20, 40 mg Cd kg-1 soil, using 3CdSO4.8H2O] in triplicate was conducted. The 100% rate of RDAF applied was: 4 ton dolomite ha-1, 30 ton cow dung ha-1, 150 kg N ha-1 (½ Urea + ½ Ammonium Sulfate), 150 kg P2O5 ha-1 (SP-36) and 100 kg K2O ha-1 (KCl). Significant reductions in soil extractable Cd (CdNH4OAc-EDTA) [from 13.35 to 8.77 mg kg-1, 34%] and plant shoots-Cd (Cdps) [from 8.66 to 5.46 μg g-1, 37%] were measured at 100% RDAF treatment as compared to the control soil, indicating the occurrence of an in situ soil Cd inactivation and plant element selective-uptake phenomenon. Multiple regression analysis that incorporating all 36 data pairs resulted in the following equations: (1) soil CdNH4OAc-EDTA = – 0.18 pHH2O + 0.21 PBray#1 + 0.51 organic-C – 0.57 exch.-Mg + 0.65 Cdaqua regia (R2 = 0.76), and (2) Cdps = 0.08 Nps – 0.17 Kps – 0.19 Mgps – 0.24 Pps + 0.27 Sps – 0.41 Caps (R2 = 0.54, 3 outliers removed). These results suggest that a proper amelioration and fertilization program may be prospective to be recommended as a low-cost Cd pollution remediation strategy for arable soils
NH4+, dan Fe3+ terhadap Ketersediaan K Jerapan dan Pengaruh Na+, NH4+ pada Tanah-tanah yang Didominasi Mineral Liat Smektit Nursyamsi, Dedi; Idris, Komaruddin; Sabiham, Supiandi; Rachim, Djunaedi Abdul; Sofyan, Agus
JOURNAL OF TROPICAL SOILS Vol. 14 No. 1: January 2009
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2009.v14i1.33-40

Abstract

Total content of potassium in smectitic soils is commonly high, however its availability for plant growth is frequently problem because it is fixed at interlayer space of 2:1 type of clay mineral. The research was  aimed to study the sorption and effect of Na+, NH +, and Fe3+  on soil available K at smectitic soils. It  was conducted in Laboratory of Research and Soil Test, Indonesian Soil Research Institute by using four of soil samples taken from Bogor (Typic Hapludalfs), Cilacap (Chromic Endoaquerts), Ngawi (Typic Endoaquerts), and Blora (Typic Haplustalfs). Incubation experiment used Randomized Completely Block Design, 4 treatments, and 5 replications. The treatment consisted of without cation, application of Na+, NH +, and Fe3+ from NaCl, NH Cl, and FeCl respectively at 50% of maximum adsorption level. The results showed that soil sorption, buffering capacity, and maximum sorption of Fe3+ were higher than NH + and Na+, while the variables of NH + were similar with those of Na+. Among the treatments,bond energy constant was in order of  Na+  > Fe3+  > NH +  at Alfisols and it was in order of  Fe3+  > Na+  > NH +  at Vertisols. Among the soils, the soil sorption, buffering capacity, and maximum sorption were in order of Vertisols > Alfisols. The application of Na+ significantly increased soil soluble-K at Chromic Endoaquerts and Typic Endoaquerts; NH + significantly increased soil exchangeable K at Typic Hapludalfs, Chromic Endoaquerts, and Typic Endoaquerts; while Fe3+ significantly increased both variables in all tested soils.
Effectivity of Soil Amelioration on Peat Soil and Rice Productivity Septiyana, .; Sutandi, Atang; Indriyati, Lilik Tri
JOURNAL OF TROPICAL SOILS Vol. 22 No. 1: January 2017
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2017.v22i1.11-20

Abstract

Peat soil amelioration has important role on improvement of soil peat fertility such as  on increasing soil pH,  reducing organic acid and toxic ions, and also increasing nutrients availability.  Soil amelioration with polyvalent cations (Fe Al Cu Zn) namely slag, lateritic soils, and river mud are effectively reducing harmful effect of phenolic acid. The objectives of the study were to determine the effect of soil amelioration on peat soil chemical properties, optimum temperature amelioran tras and dolomite to increase Si concentration in peat soil, also to determine the effect of soil amelioration on increasing crop productivity (both biomass and yield).  The study was consisted of two sets of experiments, namely soil incubation in the laboratory and greenhouse experiment with 4 replications of CRD (complete randomized design) plot design.  The result of the study showed that  the application of slag and dolomite are significantly different to increase pH, base saturation, and (Ca, Mg) content, meanwhile slag application was more complex and stable on improving chemical properties of peat soil.  Slag was also improving pH, KB, and Ca, Fe content  as well as silica and ash.  Tras and dolomite burning were not significantly different on increasing silica in peat soil. Slag application was significantly increased both dried crop biomass and yield on rice.  The best ameliorant was slag compared to tras, dolomite, and mixed tras dolomit with slag.Keywords: Ameliorant, organic acids, paddy, peat soil
Inaktivasi In Situ Pencemaran Kadmium pada Tanah Pertanian Menggunakan Amelioran dan Pupuk pada Dosis Rasional untuk Budidaya Tanaman Sudadi, Untung; Sabiham, Supiandi; Sutandi, Atang; Saeni, Muchammad Sri
JOURNAL OF TROPICAL SOILS Vol. 13 No. 3: September 2008
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2008.v13i3.171-178

Abstract

Arable soils located in the vicinity of urban and industrial area are considered vulnerable to heavy metals pollution.  Chemical inactivation, an in situ remediation method that used inexpensive chemicals to reduce pollutant solubility in polluted soil, was examined on a Cd-spiked arable soil. The study was aimed at to investigate the effectiveness of ameliorants and fertilizers normally recommended for crop cultivation, using tomato as the test plant, from the point of view to reduce soil Cd extractability and plant Cd concentration. A 100-day greenhouse experiment in completely randomized de­sign consisting of three rates of rationale dosage of ameliorants and fertilizers (RDAF) [0, 50, 100%] and four levels of soil Cd spike [0, 10, 20, 40 mg Cd kg-1 soil, using 3CdSO4.8H2O] in triplicate was conducted. The 100% rate of RDAF applied was: 4 ton dolomite ha-1, 30 ton cow dung ha-1, 150 kg N ha-1 (½ Urea + ½ Ammonium Sulfate), 150 kg P2O5 ha-1 (SP-36) and 100 kg K2O ha-1 (KCl). Significant reductions in soil extractable Cd (CdNH4OAc-EDTA) [from 13.35 to 8.77 mg kg-1, 34%] and plant shoots-Cd (Cdps) [from 8.66 to 5.46 μg g-1, 37%] were measured at 100% RDAF treatment as compared to the control soil, indicating the occurrence of an in situ soil Cd inactivation and plant element selective-uptake phenomenon. Multiple regression analysis that incorporating all 36 data pairs resulted in the following equations: (1) soil CdNH4OAc-EDTA = – 0.18 pHH2O + 0.21 PBray#1 + 0.51 organic-C – 0.57 exch.-Mg + 0.65 Cdaqua regia (R2 = 0.76), and (2) Cdps = 0.08 Nps – 0.17 Kps – 0.19 Mgps – 0.24 Pps + 0.27 Sps – 0.41 Caps (R2 = 0.54, 3 outliers removed). These results suggest that a proper amelioration and fertilization program may be prospective to be recommended as a low-cost Cd pollution remediation strategy for arable soils
Inaktivasi In Situ Pencemaran Kadmium pada Tanah Pertanian Menggunakan Amelioran dan Pupuk pada Dosis Rasional untuk Budidaya Tanaman Sudadi, Untung; Sabiham, Supiandi; Sutandi, Atang; Saeni, Muchammad Sri
JOURNAL OF TROPICAL SOILS Vol. 13 No. 3: September 2008
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2008.v13i3.171-178

Abstract

Arable soils located in the vicinity of urban and industrial area are considered vulnerable to heavy metals pollution.  Chemical inactivation, an in situ remediation method that used inexpensive chemicals to reduce pollutant solubility in polluted soil, was examined on a Cd-spiked arable soil. The study was aimed at to investigate the effectiveness of ameliorants and fertilizers normally recommended for crop cultivation, using tomato as the test plant, from the point of view to reduce soil Cd extractability and plant Cd concentration. A 100-day greenhouse experiment in completely randomized de­sign consisting of three rates of rationale dosage of ameliorants and fertilizers (RDAF) [0, 50, 100%] and four levels of soil Cd spike [0, 10, 20, 40 mg Cd kg-1 soil, using 3CdSO4.8H2O] in triplicate was conducted. The 100% rate of RDAF applied was: 4 ton dolomite ha-1, 30 ton cow dung ha-1, 150 kg N ha-1 (½ Urea + ½ Ammonium Sulfate), 150 kg P2O5 ha-1 (SP-36) and 100 kg K2O ha-1 (KCl). Significant reductions in soil extractable Cd (CdNH4OAc-EDTA) [from 13.35 to 8.77 mg kg-1, 34%] and plant shoots-Cd (Cdps) [from 8.66 to 5.46 μg g-1, 37%] were measured at 100% RDAF treatment as compared to the control soil, indicating the occurrence of an in situ soil Cd inactivation and plant element selective-uptake phenomenon. Multiple regression analysis that incorporating all 36 data pairs resulted in the following equations: (1) soil CdNH4OAc-EDTA = – 0.18 pHH2O + 0.21 PBray#1 + 0.51 organic-C – 0.57 exch.-Mg + 0.65 Cdaqua regia (R2 = 0.76), and (2) Cdps = 0.08 Nps – 0.17 Kps – 0.19 Mgps – 0.24 Pps + 0.27 Sps – 0.41 Caps (R2 = 0.54, 3 outliers removed). These results suggest that a proper amelioration and fertilization program may be prospective to be recommended as a low-cost Cd pollution remediation strategy for arable soils
Transformasi Nitrogen dalam Tanah Tergenang: Aplikasi Jerami Padi dan Kompos Jerami Padi Indriyati, Lilik Tri; Sabiham, Supiandi; Darusman, Latifah Kosim; Situmorang, Rykson; Sudarsono, .; Sisworo, Widjang Herry
JOURNAL OF TROPICAL SOILS Vol. 13 No. 3: September 2008
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2008.v13i3.189-197

Abstract

The use of organic materials aimed at reducing the dependence on inputs such as chemical fertilizers can contribute to sustainability and improving the low N fertilizer efficiency of rice plants in paddy soils.  Therefore, better understanding of N transformation in flooded soils, particularly the microbial transformation of N-organic amendments to plant-available N and gaseous N forms is needed for most efficient use of soil and organic materials N, for determining the potential of denitrification and for aiding in the selection of N management practices for sustainable agriculture.  The experiments were conducted in the laboratory and glasshouse of Soil Department, Faculty of Agriculture, Bogor Agricultural University.  An incubation experiment was conducted in the laboratory at room temperature during 120 d to analyze the mineralization-immobilization patterns in flooded soils amended with rice straw, rice straw composts 4 mo and 8 mo and their combinations with urea.  The first time of soil flooding, mineral N (N-NH4+ and N-NO3-) concentrations in all of the amended soils sharply decreased and those gradually increase since 7 d of incubation.  It might be due to the reduction of N-NO3- to N2O and N2, and immobilization.  This data was consistent with the data of N2O emission derived from pot experiment.  The high emission of N2O was observed at the first time of soil flooding of the amended soils, and the soils added rice straw showed the largest N2O emission than the other treatments. It might be due to the change of soil condition from aerobic to anaerobic condition, and the higher decomposable C as energy source for denitrifyer contained in rice straw.  Regardless the organic materials added to soils, the longer anaerobic condition, nitrification sharply decreased, so that nitrate availability limits denitrifications.decreased, so that nitrate availability limits denitrifications.
The Effects of Various Water Table Depths on CO2 Emission at Oil Palm Plantation on West Aceh Peat Handayani, Etik Puji; Noordwijk, Meine Van; Idris, Kamarudin; Sabiham, Supiandi; Djuniwati, Sri
JOURNAL OF TROPICAL SOILS Vol. 15 No. 3: September 2010
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2010.v15i3.255-260

Abstract

The Effects of Various Water Table Depths on CO2 Emission at Oil Palm Plantation on West Aceh Peat (EP  Handayani, M van Noordwijk, K Idris,  S Sabiham and S Djuniwati):  Changes in the depth of water table influenced carbon cycling in peatlands, and affected the sources and sinks of carbon dioxide.  The effects of depth of water tables in oil palm plantations on the emission of CO2 were studied. CO2 emissions of peatland were measured in Meulaboh, West Aceh using cylindrical chambers and  air samples from the chambers were analyzed by gas chromatography. Five-point transects perpendicular to drainage canals provided variation in the depth of water tables for the samples. Data from oil palm fields were compared to data from an adjacent swamp forest. The data confirmed that  the increasing depth of water table was accompanied by the increasing in microbial activity that was measured by CO2 emission.  The CO2 emissions from chambers with additional root zones were higher than from bulk soil chambers between one to four times.
Loss of Soil Organic Matter, Lignocellulose and Microbial Population in Oil Palm Plantations Located at Different Slopes Dewi, Rika Andriati Sukma; Indriyati, Lilik Tri; Sahari, Bandung; Sabiham, Supiandi
JOURNAL OF TROPICAL SOILS Vol. 22 No. 3: September 2017
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2017.v22i3.175-181

Abstract

Loss of soil organic matter can be caused by erosion triggered by soil compaction and high rainfall. The aims of  the study were to determine (1) the loss of soil organic matter, lignocellulose, and soil microbial population due to erosion and (2) the contribution of organic matter from oil palm fronds. In the current study, the erosion plots were built on the accessible inter-row (gawangan hidup) and inaccessible inter-row (gawangan mati) of oil palm plantations located at the slope of 6-10% and >10%. Soil organic matter, lignin, cellulose, and hemicellulose contents and total soil microbial populations were measured in the sediments collected from the erosion plots. The results showed that the loss of organic matter was higher in the accessible inter-row than that in the inaccessible inter-row. The addition of lignin, cellulose, and hemicellulose from oil palm fronds into the soil are 2.06 Mg ha-1 yr-1, 1.13 Mg ha-1 yr-1 and 1.02 Mg ha-1 yr-1, respectively. Total bacterial population in the sediments taken from the accessible inter-row was higher than that from the inaccessible inter-row, while the total fungal population in the sediments from the inaccessible inter-row was higher than that from the accessible inter-row.  
Estimation of the Potential Carbon Emission from Acrotelmic and Catotelmic Peats Nurzakiah, Siti; Sabiham, Supiandi; Nugroho, Budi; Nursyamsi, Dedi
JOURNAL OF TROPICAL SOILS Vol. 19 No. 2: May 2014
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2014.v19i2.81-89

Abstract

Agricultural development on peatland in Indonesia has been constrained by the presence of environment issues in relation to the release of greenhouse gases (GHGs) particularly carbon dioxide (CO2) and methane (CH4) to the atmosphere. This study was aimed to predict the potential carbon emission based on carbon stocks in acrotelmic and catotelmic peats with the reference of groundwater level of peatland.  The results showed that groundwater levels have played an important  role  in  carbon  release, which  has  close  relationship  with  water  regime  of  the upper  layer  of  peats  that influenced by oxidative and reductive conditions of the land.  From the layer that having groundwater level fluctuations during the period from rainy to dry season (acrotelmic peat), the emissions were mostly dominated by CO2 release, while from permanent reductive-layer (catotelmic peat) was not detected.  The decrease of groundwater level from -49.6 to -109 cm has clearly influenced carbon emission.  From each decreasing 1.0 cm groundwater level, CO2 emission measured during the period of February - October 2013 was calculated to yield about 0.37 Mg ha-1 yr-1.Keywords: Acrotelmic and catotelmic peat, carbon emission, groundwater level [How to Cite: Siti N, S Sabiham, B Nugroho and Di Nursyamsi. 2014. Estimation of the Potential Carbon Emission from Acrotelmic and Catotelmic Peats. J Trop Soils 19(2): 91-99. Doi: 10.5400/jts.2014.19.2.91]    
Co-Authors , Suprihati -, Bachtiar -, Manuwoto . ACHMADI . NURWADJEDI . Suwarno A.A. Ketut Agung Cahyawan W Abdul Hasyim Sodiq Abdul Rachim Abdurrani Muin Adhy Ardiyanto Agung Lukman Agus Sofyan Alce Ilona Noyaa Anas D Susila Anas D Susila Anas D. Susila Anas Dinurrohman Susila Andrea Emma Pravitasari, Andrea Emma Anggi Nico Flatian, SP Aris Poniman Baba Barus Bachtiar Bachtiar Bambang Paramudya Bambang Pramudya Bambang S Purwoko BANDUNG SAHARI Bandung Sahari Bandung Sahari Bargowo Addianto Bariot Hafif Bariot Hafif Bariot Hafifa Basuki Sumawinata Bayu Sejati Boedi Tjahjono Budi Mulyanto Budi Nugroho Budi Nugroho Darmono Taniwiryono Darmono Taniwiryono Darmono Taniwiryono Dedi Nursyamsi Dedi Nursyamsi Desi Nadalia Didy Sopandie Djoko Purnomo DWI ANDREAS SANTOSA Dwi Guntoro Edi Santosa Edwin Hidayat, Edwin Edy Djauhari Purwakusumah Eko Noviandi Ginting Endang Gunawan Endang Suhendang Enni Dwi Wahjunie Fahmi Arief Rahman Fahmuddin Agus Fakhrur Razie Fakhrur Razie Ganjar Priadi Gunawan Djajakirana Hadijah Siregar Handayani, Etik Puji HAPPY WIDIASTUTI Happy Widiastuti Happy Widiastuti Harianti, Mimien Hartono, Arif Hendri Purnama Herison, Catur Hermanto Hermanto Heru B. Pulunggono Heru Bagus Pulunggono Husni Mubarak Husni Mubarok Husni Mubarok Husni Mubarok Husni Mubarok I Nyoman Sujana I Wayan Mangku I Wayan Rusastra Ibnul Qoyim, Ibnul Idris, Kamarudin Idris, Komaruddin Ilona Noyaa, Alce Indarti Puji Lestari Indriyati, Lilik Tri Irawati, Arfi Irdika Mansur Irsal Las Irsal Las Ishak Ishak Ishak Ishak Ishak Ishak Iswandi Anas Iswandi Anas Iswandi Anas Iswandi Anas Iswandi Anas Iswandi anas Ivanocih Agusta Ivanovich Agusta J. Sri Adiningsih K Kasmadi Kasmadi Kasmadi Kasmadi Kasmadi Khursatul Munibah Komarsa Gandasasmita Komarsa Gandasasmita Komaruddin Idris Komarudin Idris KOMARUDIN IDRIS Kukuh Murtilaksono Kusuma Handayani L. K. Darusman Latifah K. Darusman Latifah Kosim Darusman LATIFAH KOSIM DARUSMAN Lina Lathifah Nurazizah Lina Lathifah Nurazizah Luh Putu Ratna Sundari Lukman Gunarto Luthfi Izhar M. ALWI Machfud Machfud Manuwoto - MARIA BINTANG Maryadi Maryadi Maryadi Maryadi Maswar Maswar Maswar Maswar Maya Melati Meine Van Noordwijk Meine van Noordwijk Meine Van Noordwijk Miftahudin . Moh Zulfajrin Moh Zulfajrin Moh Zulfajrin Moh Zulfajrin Mohamad Rafi Muchammad Sri Saeni Muhadiono Muhadiono, Muhadiono Muhammad Amir Solihin Muhammad Amir Solihin Muhammad Ardiansyah muhammad Firdaus Muhammad Thamrin Muhammad Zulfikar Muliana Mulyawan, Ronny Munif Ghulamahdi Muya Avicienna Nabila Hanifah Natalia, Rina Nelvia Nelvia nFN Thamrin NISA RACHMANIA MUBARIK Nizam Tambusai Nizam Tambusai Novia Mustikasari Nurliani Bermawie Ohiwal, Morgan Oteng Haridjaja Paulus B.K. Santoso Permatasari, Galuh Priyo Cahyono Priyo Cahyono, Priyo Pulunggono, Heru R. Purnamayani Rachim, Djunaedi Abdul RACHMI WIDIRIANI RAHAYU WIDYASTUTI Rasti Saraswati Retno Wijayanti Rika Andriati Sukma Dewi Rina Natalia Rury Kurniawan Ruslan - Rykson Situmorang S Siswanto S Susanto S. Anwar S. HADI SUTJAHJO Saeful Anwar Saeni, Muchammad Sri Safira Sukma Hanjani Sandra Arifin Aziz Santun R. P. Sitorus Santun R.P Sitorus Santun R.P. Sitorus Santun Risma Pandapotan Sitorus Santun Risma Pandepotan Sitorus Septiyana, . SETIARI MARWANTO Siska Nofita Siswanto Siswanto Siswanto Sisworo, Widjang Herry Siti Maryam Harahap Siti Maryam Harahap Siti Nurzakiah Siti Nurzakiah Siti Nurzakiah Sri Djuniwati Sri Djuniwati Sri Juniwati Sri Nico Djuniwati Sri Widodo Agung Suedy Sri Wilarso Budi Sudarsono Sudarsono . Sugiyanta Sukarman Sukarman Sumardjo Supiandi Sabiham Suria Darma Tarigan Surjono H. Sutjahjo Susanto, Bambang Sutjahjo, Surjono H. Suwondo Suwondo Suyamto Suyamto Suyamto Suyamto Suyamto Suyamto Syaiful Anwar Syaiful Anwar Syamsul Arifin Syva Fitriana Taopik Ridwan TATI NURHAYATI Taufiq Bachtiar Taufiq Bachtiar Thamrin, nFN Toyip Toyip Untung Sudadi W. Hartatik Widiatmaka Yadi Setiadi Yahya, Vanda Julita