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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Buletin Agrohorti Jurnal Ilmu Pertanian Indonesia Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Jurnal Ilmu Pertanian Agroland : Jurnal Ilmu-Ilmu Pertanian Jurnal Lahan Suboptimal Jurnal Hortikultura Jurnal Konstruksia AGRIVITA, Journal of Agricultural Science Kultivasi Jurnal Sains Teh dan Kina Jurnal Penelitian Pertanian Tanaman Pangan Rancang Bangun Journal of Tropical Crop Science jurnal Ilmu Pertanian (Agricultural Science) Al-Awqaf: Jurnal Wakaf dan Ekonomi Islam Media Pertanian Mabsya: Jurnal Manajemen Bisnis Syariah Jurnal Agronomika Jurnal Ilmiah Teknik Sipil (JIMATS)

Dwi Guntoro

Departemen Agronomi Dan Hortikultura, Fakultas Pertanian, IPB University, Kampus IPB Darmaga, Bogor 16680

Author-ID : 271099

Religion Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation

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Manajemen Pengendalian Gulma Perkebunan Kelapa Sawit (Elaeis guineensis Jacq.): Analisis Faktor- faktor Penentu Dominansi Gulma di Kebun Dolok Ilir, Sumatera Utara Yosua Pratama Simangunsong; Sofyan Zaman; Dwi Guntoro
Buletin Agrohorti Vol. 6 No. 2 (2018): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Kegiatan penelitian ini bertujuan untuk memperluas pengetahuan dan keterampilan tentang aspek teknis dan manajerial terutama dalam kegiatan manajemen pengendalian gulma. Kegiatan penelitian dilaksankan di Kebun Dolok Ilir, Sumatera Utara pada bulan Februari hingga Juni 2016. Analisis vegetasi pada 5 tahun tanam dengan mengambil 30 contoh pada setiap tahun tanam (TT). Pengamatan faktor iklim mikro dan tingkat kesuburuan dilakukan di kebun Cikabayan IPB. Pengamatan iklim mikro harian dilakukan 5 waktu yang berbeda .Faktor- faktor penentu dominansi gulma dianalisis secara korelasi terhadap NJD gulma yang dominan. Hasil uji faktor- faktor penentu dominasi gulma menunjukkan kegiatan pemupukan berkorelasi negatif pada tingkat dominansi A. aciculatus dan tanaman penutup tanah berkorelasi negatif terhadap tingkat dominansi D. ciliaris. Aspek edafik, dan iklim mikro tanaman kelapa sawit, tingkat dominansi gulma R. rundana berkorelasi negatif terhadap suhu udara, berkorelasi positif pada kandungan total unsur hara fosfor di dalam tanah. Tingkat dominansi gulma S. plicata berkorelasi positif terhadap kadar KTK tanah, pH tanah. Tingkat dominansi gulma P.polystachion berkorelasi positif terhadap kadar kalium dalam tanah. Tingkat dominansi gulma O. nodosa yang mendominasi pada setiap daerah terbuka berkorelasi positif terhadap tingkat intensitas cahaya, dan berkorelasi negatif terhadap tingkat kelembapan.

Studi Perkecambahan Benih Ciplukan (Physalis peruviana L.) Pada Beberapa Tingkat Masak Buah Norul Dewi Susanti; Eny Widajati; Dwi Guntoro
Buletin Agrohorti Vol. 7 No. 3 (2019): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Ciplukan merupakan tanaman dengan banyak manfaat. Permintaan buah ciplukan yang meningkat menjadi peluang yang baik bagi petani. Masalah yang dihadapi petani adalah belum tersedianya benih bermutu. Informasi mengenai perkecambahan benih ciplukan masih sangat sedikit, sehingga perlu dilakukan pengembangan terhadap studi perkecambahan benih ciplukan. Penelitian ini bertujuan untuk menentukan metode pengujian daya berkecambah dan mengetahui pengaruh tingkat masak dan perlakuan benih sebelum pengecambahan pada perkecambahan benih ciplukan. Penelitian dilaksanakan di Laboratorium Ilmu dan Teknologi Benih IPB pada bulan Februari sampai dengan April 2019. Penelitian menggunakan rancangan kelompok lengkap teracak (RKLT) dua faktor. Faktor pertama yaitu tingkat masak benih yang diindikasikan oleh warna kelopak buah yaitu hijau kekuningan, kuning dan coklat. Faktor kedua adalah perlakuan sebelum pengecambahan yaitu tanpa perlakuan, perendaman benih dengan aquades dan perendaman dengan KNO3 0.2% selama 24 jam. Hasil penelitian menunjukan bahwa pengamatan daya berkecambah hitungan pertama adalah pada 14 HSP dan hitungan kedua pada 28 HSP. Berdasarkan pengamatan indeks vigor dan kecepatan tumbuh, panen benih terbaik dapat dilakukan ketika kelopak buah berwarna kuning hingga coklat. Perlakuan benih sebelum pengecambahan dengan KNO3 nyata meningkatkan daya berkecambah pada tingkat masak kuning.

Produksi dan Kualitas Beras Dua Varietas Padi Akibat Rebah dan Terendam . Dulbari; Edi Santosa; Eko Sulistyono; Herdhata Agusta; Dwi Guntoro; Sofyan Zaman; Yonny Koesmaryono
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Rice lodging followed by flooding has negatively detriment on the production, however, scientific evident is still rare. As the incident tends to escalate as the impact of extreme weather, hence, research was conducted in order to evaluate rice production and its quality of two rice genotypes treated with lodging-flooding. The experiment was conducted at Leuwikopo Farm IPB Bogor in July-October 2016 using randomized complete block design using two factors, i.e., variety (Way Seputih and Way Apo Buru) and lodging (no lodged [bending 0-18°], lodged [lodged 38-56°], and lodged with flooded [lodged 76-90°]). Rice hill aged 85 days after transplanting was lodged for 15 days. Results showed that lodged with flooded treatment did not increase yield loss although the plant tended to have sterility 5.59-22.00% higher, grain weight 2.05-35.26% lower, and 0.88-10.66% lower value of rice to unhusked ratio. Grains from the lodged-flooded plant had a number of head rice 13.38-15.78% lower, broken rice 0-24.84% higher, and stimulated germination on 1.33-3.40% grains than lodged-without-flooded. It is important to use rice varieties with stable on milling quality to address the lodged-flooded incident.

Kecukupan Hara Fosfor pada Pertumbuhan dan Produksi Kedelai dengan Budidaya Jenuh Air di Tanah Mineral dan Bergambut: Phosporus Sufficiency for Growth and Production of Soybean under Saturated Soil Culture in Mineral and Peaty Soils Bachtiar Bachtiar; Munif Ghulamahdi; Maya Melati; Dwi Guntoro; Atang Sutandi
Jurnal Ilmu Tanah dan Lingkungan Vol 18 No 1 (2016): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Tujuan penelitian adalah menentukan dosis dan pemberian pupuk P pada varietas kedelai di tanah bergambut dan mineral dengan budidaya jenuh air di lahan pasang surut. Penelitian ini dilaksanakan di tanah bergambut dan mineral lahan pasang surut tipe B dan C di Kecamatan Tanjung Lago Kabupaten Banyuasin Provinsi Sumatera Selatan dari April hingga Agustus 2014. Penelitian menggunakan rancangan petak-petak terpisah. Petak utama adalah varietas (Willis dan Tanggamus), anak petak adalah waktu aplikasi (0, 0 dan 4 MST), dan anak-anak petak adalah dosis pupuk (0, 36, 72, 108 kg P2O5 ha-1). Hasil percobaan menunjukkan bahwa produktivitas kedelai di tanah mineral bergambut lebih rendah daripada di tanah mineral. Di tanah mineral bergambut waktu aplikasi fosfor pada 0 dan 4 MST lebih meningkatkan pertumbuhan dan produktivitas, sedangkan waktu aplikasi fosfor di tanah mineral lebih baik pada umur pada 0 dan 4 MST. Dosis pupuk 108 kg P2O5 ha-1 meningkatkan produktivitas tanaman kedelai di tanah mineral bergambut sedangkan dosis 72 kg P2O5 ha-1 lebih baik untuk tanah mineral. Pada tanah mineral bergambut, interaksi (Tanggamus, waktu aplikasi 0 dan 4 MST serta dosis 72 kg P2O5 ha-1), menghasilkan produktivitas tanaman kedelai tertinggi (2.83 ton ha-1). Sementara itu interaksi (Tanggamus, waktu aplikasi 0 dan 4 MST serta dosis 72 kg P2O5 ha-1) menghasilkan produktivitas tanaman kedelai tertinggi 3.8 ton ha-1 di tanah mineral dengan teknik budidaya jenuh air di lahan pasang surut. Kata kunci : Dosis pupuk, Glycine max (L) Merr., fosfor, kemasaman tanah, varietas

Respon Karakter Morfo-Fisiologi Genotipe Tomat Senang Naungan Pada Intensitas Cahaya Rendah (The Respon of Morpho-Physiological Characters of Loving-Shade Genotypes at Low Light Intensity) Dwiwanti Sulistyowati; Muhammad Ahmad Chozin; Muhammad Syukur; Maya Melati; Dwi Guntoro
Jurnal Hortikultura Vol 29, No 1 (2019): Juni 2019
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v29n1.2019.p22-32

Tomat memiliki potensi untuk dikembangkan dengan sistem pertanaman berganda sebagai tanaman sela di bawah tegakan, baik di kehutanan, perkebunan, maupun pekarangan, sehingga mengalami stres cahaya rendah. Stres cahaya rendah menyebabkan berbagai perubahan morfologi, anatomi dan fisiologi. Tujuan dari penelitian ini adalah untuk mempelajari karakter morfologi, anatomi dan fisiologi genotipe tomat pada intensitas cahaya rendah. Percobaan dilaksanakan di kebun percobaan Sekolah Tinggi Penyuluhan Pertanian (STPP) Bogor dari bulan Oktober 2014 sampai dengan Januari 2015. Percobaan menggunakan Rancangan Petak Tersarang (nested design) yang diulang tiga kali, faktor pertama terdiri atas dua taraf naungan, tanpa naungan (0%) dan naungan 50%. Faktor kedua berupa 50 genotipe tomat (ditapis menjadi 4 kelompok genotipe, yaitu senang, toleran, moderat dan peka naungan). Hasil penelitian menunjukkan bahwa genotipe tomat senang naungan mampu berproduksi lebih tinggi saat ternaungi, karena genotipe ini mampu beradaptasi lebih baik. Yaitu dengan cara meningkatkan tinggi tanaman, jumlah daun, luas daun, jumlah bunga dan jumlah buah dibandingkan genotipe peka. Terjadi peningkatan klorofil b lebih tinggi daripada klorofil a, sehingga terjadi penurunan yang lebih tinggi pada rasio klorofil a/b. Karakter yang berkorelasi dan berpengaruh langsung terhadap produksi tomat pada naungan 50% adalah luas daun, jumlah bunga, umur panen, rasio klorofil a/b, jumlah buah dan bobot per buah.KeywordsIntensitas cahaya rendah; Karakter genotipe tomatABSTRACTTomatoes have the potential to be developed with multiple cropping systems as intercropping plants under stands, both in forestry, plantations, and yard, thus experiencing low light stress. Low light stress causes a variety of morphological, anatomical and physiological changes. The aim of this study was to investigate the morphological, anatomical and physiological characters of tomato genotypes at low light intensity. The experiments were conducted in the experimental field of Bogor Agricultural Extension Institute, in Bogor, from October 2014 to January 2015. The experiment was arranged in nested randomized design with two factors and three replication. The first factor consisted of two levels of shading intensity, i.e. without shade (0 %) and 50% shading. and the second factor was 50 tomato genotypes (4 groups of tomato genotypes, i.e. shade-loving, shade-tolerant, shade-moderate and shade-sensitive genotypes). The results showed that the shade-loving genotypes was capable of producing higher levels when shaded, as the genotype was able to adapt better. That was by increasing the plant height, leaf number, leaf area, flower number and fruit number compared to sensitive genotypes. Increased chlorophyll b is higher than chlorophyll a, resulting in a higher decrease in the ratio of chlorophyll a/b. Character that correlates and directly affects tomato production in 50% shade was leaf area, leaf number, harvesting time, a/b chlorophyll ratio, fruit number and fruit weight.

Efikasi Herbisida Penoksulam pada Budidaya Padi Sawah Pasang Surut untuk Intensifikasi Lahan Suboptimal Dwi Guntoro; Karlin Agustina; Yursida Yursida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

An experiment on herbicide Penoksulam 25.5 g/L was conducted in tidal land. The objectives of this experiment was to determine the effectiveness of herbicides in controlling weeds in lowland rice. The experiment was conducted from November 2012 to March 2013. Randomized block design (RBD) with 6 treatments and 4 replications was used. The treatments tested the herbicide Penoksulam 25.5 g/L dose of 0.60 L/ha, 0.75 L/ha, 0.94 L/ha, 1,125 L/ha, manual weeding and control. The experimental unit was a plots measuring 5 m x 5 m. The results showed that the application of penoksulam 25.5 g/LÂ could to control weeds of lowland rice. Dominance weeds species in tidal land were Fimbristylis littoralis, Ludwigia octovalvis and Cyperus Iria. Application of herbicide at doses 0.60 L/ha up to 1.125 L/ha caused only mild symptoms of phytotoxicity on rice. Herbicides could be used to increase low land rice production on effective dose 0.60 L/ha to 0.75 L/ha.

Strength assessment of rice hills from different planting distance by loading simulation Edi Santosa; Herdhata Agusta; Dwi Guntoro; Sofyan Zaman
Jurnal Ilmu Pertanian Vol 5, No 3 (2020): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.31895

Plant spacing arrangement might benefit hill strength from the impact of strong wind velocity during extreme weather situations. Here, a loading test to evaluate rice hill strength was performed on Ciherang variety grown in square and double row spacing 2:1. The research was conducted at Cilubang village, Dramaga, Bogor, West Java, Indonesia from March to May 2017. Weight holding capacity was evaluated in 85 days after transplanting on four levels of hill height, i.e., 80 cm, 60 cm, 40 cm, and 20 cm above soil level with three-time replication. The results showed that double-spaced hills had 66.0 % ± 3.1 % stronger than those of square spacing at all height measurement. To lodge a hill into 20 cm to 40 cm from soil level, it required 346.7 g to 741.7 g in square spacing, and 555.2 g to 1149.2 g in double row spacing. Stronger hills in double row spacing seemed to correlate with a higher number of tiller and hills architecture; it requires further study in the role of both factors on the hill strength improvement. The present study recommends applying double row spacing to improve rice hill strength especially at a time with a high chance of lodging by strong wind incident.

Karakter Fotosintesis Genotipe Tomat Senang Naungan pada Intensitas Cahaya Rendah (The Photosynthetic Characters of Loving-Shade Tomato Genotypes at Low Light Intensity) Dwiwanti Sulistyowati; Muhammad Ahmad Chozin; Muhamad Syukur; Maya Melati; Dwi Guntoro
Jurnal Hortikultura Vol 26, No 2 (2016): Desember 2016
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v26n2.2016.p181-188

Salah satu upaya untuk meningkatkan produksi tanaman tomat di Indonesia adalah melalui sistem tanam tumpangsari atau agroforestri. Namun, dalam sistem tanam tumpangsari tanaman sela mengalami defisit cahaya karena ternaungi oleh tanaman lain. Defisit cahaya menyebabkan penurunan laju fotosintesis dan sintesis karbohidrat sehingga berpengaruh terhadap metabolisme. Beberapa jenis tanaman mampu beradaptasi terhadap defisit cahaya sehingga tumbuh di bawah kondisi naungan. Tujuan penelitian ini adalah mempelajari karakter fotosintesis genotipe tomat senang naungan pada intensitas cahaya rendah. Percobaan dilaksanakan di Kebun Percobaan Sekolah Tinggi Penyuluhan Pertanian (STPP) Bogor dari bulan Oktober 2014 sampai dengan Januari 2015. Percobaan menggunakan rancangan acak petak tersarang yang diulang tiga kali. Faktor pertama terdiri atas dua taraf naungan, yaitu tanpa naungan (0%) dan naungan 50%. Faktor kedua berupa tiga kelompok genotipe tomat terdiri atas senang naungan, toleran, dan peka. Pengamatan dilakukan terhadap komponen hasil berupa jumlah buah, bobot buah, dan produksi pertanaman. Peubah pengamatan fisiologi meliputi kandungan total klorofil, klorofil a, klorofil b, rasio klorofil a/b, antosianin, karoten, laju fotosintesis, konduktansi stomata, konsentrasi CO2 internal daun, kandungan pati, dan gula daun. Hasil penelitian menunjukkan bahwa genotipe tomat senang naungan jika berada pada kondisi ternaungi akan memiliki karakter fotosintesis berupa peningkatan kadar klorofil b lebih tinggi dibandingkan klorofil a, dan rasio klorofil a/b yang lebih rendah dibandingkan kelompok genotipe yang lain. Genotipe senang naungan memiliki konsentrasi CO2 internal daun lebih tinggi sehingga mampu mempertahankan laju fotosintesis tetap lebih tinggi walaupun terjadi penurunan konduktansi stomata. Adanya kandungan gula daun yang lebih tinggi, mengakibatkan produksi pertanaman genotipe senang naungan meningkat ketika ditanam di bawah naungan.KeywordsLycopersicon esculentum Mill.; Intensitas cahaya rendah; Karakter fotosintesis; Genotipe senang naunganAbstractEfforts have to be made to increase tomatoes production in Indonesia, one is through intercropping or agroforestry systems. In the intercropping system, however, there is a risk for plants to receive low light intensity. Low light intensity causes a decrease of photosynthesis rate and carbohydrate synthesis, so it will affect plant metabolic processes. Some types of plants are able to adapt to low light intensity, so they can grow well under shading conditions. The aim of this study was to investigate the photosynthetic characters of shade-loving tomato genotypes at low light intensity. The experiment was conducted in the experimental field of Bogor Agricultural Extension Institute, in Bogor, from October 2014 to January 2015. The experiment was arranged in nested randomized design with two factors and three replication. The first factor consisted of two levels of shading intensity, i.e. without shade (0%) and 50% shading and the second factor was three groups of tomato genotypes, i.e. shade-loving, shade-tolerant, and shade-sensitive genotypes. The crop yield components observed were fruit number, fruit weight, and yield per plant. Physiological variable measured were total of chlorophyll, chlorophyll a, chlorophyll b, ratio of chlorophyll a/b, anthocyanin, carotene, photosynthetic rate, stomatal conductance, leaf internal CO2 concentration, content of starch, and sugar leaves. The results showed that the photosynthesis characters of shade-loving genotypes indicated increasing content of chlorophyll b that was higher than that of chlorophyll a. It was resulting in decreasing ratio of chlorophyll a/b more than that of other genotypes. Shade-loving genotypes had higher internal leaf CO2 concentration, than the sensitive ones, so they can maintain the photosynthetic rate remained higher, despite their stomatal conductance were decreasing. The presence of leaf sugar content was relatively high, resulting in the production per plant of the shade-loving genotypes increased when grown in the shade conditions.

Local Adaptation to Extreme Weather and It’s Implication on Sustainable Rice Production in Lampung, Indonesia Dulbari Dulbari; Edi Santosa; Yonny Koesmaryono; Eko Sulistyono; Anung Wahyudi; Herdhata Agusta; Dwi Guntoro
AGRIVITA, Journal of Agricultural Science Vol 43, No 1 (2021)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v43i1.2338

Extreme weather incidents refer to high rainfall and strong winds have been speculated to be detrimental on rice production. However, researches on the local adaptation to their impact on rice production are limited especially on tropical region like Indonesia. A study was conducted in Pesawaran, West Lampung, North Lampung, and Bandar Lampung using time series data of 2000-2015 and ground checking during extreme weather and normal seasons and its implication on sustainable management. Data were evaluated using multivariate regressions. Results demonstrated that the impact of extreme weather on the reduction of rice production was weak, 0.92%. Shifting on rice production among swampy, irrigated, and dry lands at which covered area of 13.67%, 42.69% and 43.65%, respectively, minimized the impact of the extreme weather. During limited precipitation, irrigated and swamplands had 2.5-3.0 times cropping intensity. Conversely, during La-Nina with excess precipitation, cropping in irrigated and drylands increased by 20 and 58%, respectively. Moreover, the local government maintained annual production improvement by about 5% through expansion of irrigated land, high yielding varieties and inputs subsidies. Considering that incident of extreme weathers tended to occur more frequently, consequently, planting calender utilization and rice variety adapted should be implemented.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.31895

Co-Authors , Erinnovita , Purwono , Sarwono ,, Usman ,, Yuniarti -, Bachtiar . Yusak Abdul Harris Burhan Achmad Yozar Perkasa, Achmad Yozar Achmad Zakaria Achmad Zakaria Ade Sumiahadi Ade Sumiahadi, Ade Adolf Pieter Lontoh, Adolf Pieter AHMAD JUNAEDI Alghifari, Ahmad Fadli Anas Dinurrohman Susila Andreas Kefi Andriyani, Yuni Ani Kurniawati Anung Wahyudi Asrul Saputra Atang Sutandi Bachtiar Bachtiar Bambang S. Purwoko Bambang Sapta Purwoko Bilkis, Faras Gaitsa Budi Tjahjono Bukhori, Anwar Desembardi, Faried Desyandri Desyandri Dewi, Sangrani Annisa Dini Dwirestina Dita Nurul Latifah Dulbari, Dulbari Durotun Nafisa Dwiwanti Sulistyowati Dwiwanti Sulistyowati Edi Santosa Eko Sulistyono Eny Widajati Evar, Fitrawaty Orista Fahrul Rozy Pohan Faqih Udin Faried Desembardi Ferdinans, Ferdinans Fredinan Yulianda Harisman, Muhammad Ikhsan Hariyadi Herdhata Agusta Heri Syahrian Iqbal Iqbal Irawan, Riko Irdika Mansur Irianto, M. Yuli Jafarudin, Ahmad Januar Kanny, Putri Irene Kansa Dianti Putri Karlin Agustina Khalida, Rahmi Kukuh Nugraha Kusuma, Ayu Vandira Candra Luh Putu Ratna Sundari M A Chozin M. Khais Prayoga M.A. Chozin Mahfudz Mahfudz Manalu, Pinondang Maryati Sari Maya Melati Maya Melati Mia Audina, Mia Muhamad Achmad Chozin Muhamad Achmad Chozin Muhamad Ahmad Chozin Muhamad Syukur Muhammad Ahmad Chozin Muhammad Ridwan Muhammad Rusmin Muhammad Syukur Munif Ghulamahdi Muntoyib, Junaidi Murtilaksono, dan Kukuh Mutaqin, Enjen Zaenal Neshi Claudia Ramadhanti Norul Dewi Susanti Oktavian, Aldi Pasaribu, Pesta Maria Hotnauli Polansky, Seken Rianto, Dwi Fajar Rizqullah, Ramadaniarto Roudho, Zahrotur Rusdi, Achmad Sari, Indah Fatika Sarjono, Arif Sarjono, Arif Seken Polansky Simangunsong, Yosua Pratama Sinaga, Intan Lorenza Sintho Wahyuning Ardie SOEKISMAN TJITROSEMITO Sofyan Zaman Sudradjat SUGENG SUDIATSO Sugiyanta Sujinah Sujinah Sukmawati, Riska Sulistiani, Ade Irma Supijatno Suryana Suwarto Suwarto Suwitono, Bayu Tri Sugiarto, Anto Trisnani Yuda Fitri Trisnani Yuda Fitri Vitria Puspitasari Rahadi Wahyu Utomo Yaqin, Roelly Ainul Yonny Koesmaryono Yosua Pratama Simangunsong Yursida Yursida Yusak, . Zarwazi, Lalu Muhamad

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