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Efisiensi Penggunaan Pupuk pada Sistem Pertanian Terpadu Minapadi Tri Astuti; Suwarto; Herdhata Agusta; Irzal Effendi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 48 No. 2 (2020): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (482.321 KB) | DOI: 10.24831/jai.v48i2.29995

Abstract

Minapadi adalah suatu model yang dianggap sesuai untuk diterapkan di sawah, baik pada lahan yang luas ataupun terbatas selama ketersediaan air mencukupi kebutuhan padi dan ikan untuk tumbuh. Pada minapadi terdapat pengintegrasian antara perikanan dan pertanian yang mana pengintegrasian tersebut dapat meningkatkan ketersediaan pupuk dan pakan. Penelitian ini bertujuan untuk mengetahui pengurangan pupuk anorganik pada pertanian terpadu padi-ikan dengan sistem minapadi sehingga dapat meningkatkan efisiensi pemupukan. Rancangan penelitian menggunakan rancangan acak kelompok faktor tunggal dengan lima taraf perlakuan, yaitu: padi monokultur 100% pupuk anorganik, monokultur ikan, minapadi dengan 100% pupuk anorganik, minapadi dengan 60% pupuk anorganik, dan minapadi dengan 20% pupuk anorganik. Minapadi dapat mengurangi penggunaan pupuk anorganik melalui hubungan komplementer antara padi dan ikan. Pemberian pupuk anorganik 20% dosis anjuran pada minapadi menghasilkan produktivitas padi tidak berbeda nyata dengan minapadi 60% dan 100% dosis anjuran dan dengan padi monokultur 100% dosis anjuran. Minapadi dapat menghemat 80% pupuk anorganik sehingga meningkatkan efisiensi penggunaan pupuk anorganik. Kelangsungan hidup ikan dan berat ikan pada minapadi tidak berbeda nyata dengan monokultur ikan. Kata kunci: monokultur, produktivitas, pupuk anorganik, unsur hara
Perancangan Model Pertanian Terpadu Tanaman-Ternak dan Tanaman-Ikan di Perkampungan Teknologi Telo, Riau Suwarto ,; Agustinus Tri Aryanto; Irzal Effendi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 43 No. 2 (2015): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (539.013 KB) | DOI: 10.24831/jai.v43i2.10424

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ABSTRACTThe Telo Technology Village of Bangkinang Seberang, Kampar, Riau was built on reclaimed land of C-mining excavation. On this land will be settled a number of farmer households pursue an area of 2,000 m2 in each. They should be able to maximize the land use to meet family needs adequately. In order to develop integrated farming system composed of crop, livestock, and fish productions, data were collected through interviews and literature. This study was conducted from February to July 2013. Models of integrated farming were designed and evaluated for its feasibility ecologically and economically using dynamic model Stella 9.2. Based on the models, integrated farming of spinach-kangkong-chili, cattle-laying ducks and Thai catfish-Tilapia fish will be able to provide an adequate income. Therefore area of 2,000 m2 is feasible for integrated farming, settlements and other households activities.Keywords: high mapping layer, LEISA, nutrient cycle
Survival Rate of Sand Goby, Oxyeleotris marmorata (Blkr.), Fed by Carrot-Enriched Rotifers, Brack ion us sp. Irzal Effendi; Dedi Jusadi; A.I. Nirwana
Jurnal Akuakultur Indonesia Vol. 3 No. 1 (2004): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (165.596 KB) | DOI: 10.19027/jai.3.9-13

Abstract

The aim of this experiment is to know survival rate of sand goby larvae were fed carrot-enriched rotifers. Two days old larvae (3,56-3,57 mm body length) were reared in conical fiberglass tanks filled 100 1 of water with stocking density 23 fish per 1 (2.300 fish per tank). The tanks were placed in transparent-roofed room and the water was aerated softly by 3 unit of aeration stones. Larvae were fed carrot-enriched rotifers and without enrichment as a control. Stocking density of rotifers was 40 individual per ml or 4x106 individual per tank and it maintained for 10 days of rearing. Rotifers were incubated in media which contained (60 g per 1) sieved carrot (100 urn) for 2,5 hours before fed to the larvae. The survival rate of sand goby larvae, which fed by carrot-enriched rotifers (29,9%), was higher (p
Aktivitas Antibakteri Ekstrak Kapang Laut Nodulisporium sp. KT29 terhadap Vibrio harveyi Sri Hariati; Dinamella Wahjuningrum; Munti Yuhana; Kustiariyah Tarman; Irzal Effendi; Fazril Saputra
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 21 No 2 (2018): Jurnal Pengolahan Hasil Perikanan Indonesia 21(2)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (363.422 KB) | DOI: 10.17844/jphpi.v21i2.22855

Abstract

Nodulisporium sp. KT29 merupakan salah satu kapang endofit yang diisolasi dari alga merah Eucheuma edule, tidak bersifat toksik, dan bersifat antibakteri. Penelitian ini bertujuan mengevaluasi aktivitas antibakteri ekstrak kapang laut Nodulisporium sp. KT29 terhadap Vibrio harveyi. Penelitian dilakukan dengan beberapa tahapan yaitu kultivasi kapang, ekstraksi senyawa aktif, pengujian aktivitas antibakteri, kromatografi lapis tipis (KLT), bioautografi, serta pengamatan kerusakan sel bakteri Vibrio harveyi. Ekstraksi dilakukan dengan metode maserasi menggunakan pelarut etil asetat dan dipekatkan dengan rotary evaporator. Ekstrak Nodulisporium sp. KT29 diuji terhadap bakteri Vibrio harveyi pada konsentrasi 0,125; 0,25; 0,5; 1 dan 2 mg/disc. Ekstrak Nodulisporium sp. KT29 membentuk zona hambat tertinggi pada konsentrasi 2 mg sebesar 45,33±0,71 mm. Hasil uji KLT ekstrak Nodulisporium sp. KT29 menunjukkan adanya 7 spot retardation factor (Rf) dengan tiga komponen warna yaitu cokelat, kuning dan ungu. Uji bioautografi menghasilkan 2 spot zona hambat yaitu 16 mm dan 13 mm pada Rf 0,94 dan 0,14. Pengamatan menggunakan SEM menunjukkan bahwa kerusakan pada morfologi sel Vibrio harveyi dengan pemberian ekstrak Nodulisporium sp. KT29 yang ditandai dengan lisis.
PRODUCTION OF WHITE SHRIMP Litopenaeus vannamei IN FLOATING CAGE SYSTEM WITH DIFFERENT STOCKING DENSITY AT THOUSAND ISLAND STRAIT Sophia N.M. Fendjalang; Tatag Budiardi; Eddy Supriyono; Irzal Effendi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 1 (2016): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (535.261 KB) | DOI: 10.29244/jitkt.v8i1.12718

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The aim of this study was to analyze the survival rate, growth, and haemolymp glucose level of white shrimp as a physiological responses at floating cage cultured on different stock den-sity, in Seribu Islands Strait. White shrimp used in this study contained approximate weight of 1.0±0.06 g and length of 5.0±0.03 cm from Nusa Karamba Hatchery in Seribu Island. White shrimp was maintained in 90 days, feed with ±36.28 % protein content 4 times each day with feeding rate (FR) of 7%. Water qualities and shrimp growth measurements was conducted every 10 days. Haemolymph glucose sam-pling was performed in the beginning and at the end of the experiment. Result showed that treatment with stock densituy of 250 shrimp/m2 had a better survival rate of 30.33% and feed conversion ratio of 1.13 than other treatments. Phy-siological response in the form of glucose hemolim also showed a better response in the 250 ind./m2 stock density of 41.87 mg/dl indicating that the white shrimp did not experience a sig-nificant stress. Keywords: Litopenaeus vannamei,  sea floating cages, stock density, strait waters, Seribu Islands.
OCEANOGRAPHY AND WATER QUALITY CONDITION IN SEVERAL WATERS OF THOUSAND ISLANDS AND ITS SUITABILITY FOR WHITE SHRIMP Litopenaeus vannamei CULTURE Irzal Effendi; Muhammad Agus Suprayudi; I Wayan Nurjaya; Enang Harris Surawidjaja; Eddy Supriyono; Muhammad Zairin Junior; . Sukenda
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 1 (2016): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (983.48 KB) | DOI: 10.29244/jitkt.v8i1.13912

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The purposes of this study were to determine oceanographic and water quality parameters and their suitability for white shrimp Litopenaeus vannamei culture. The measurements were carried out on dry season in Semak Daun Island, Karya Island, and Panggang Island waters of Thousand Islands, with areas of 315.0, 12.0, and 102.8 ha, water depth average of 4.6 m (0.5-28.1 m), 14.6 m (0.5-26.7 m), and 5.3 m (0.8-13.6 m), mean current water velocity of  12.9, 12.7, and 13.5 cm/second, respectively.  In the study areas, we found a diurnal tidal pattern with high wave in January and July-August.  Based on temperature, salinity, and water density in Semak Daun Island waters, there seemingly occurred a turn over indicating a good water circulation, while in Panggang Island and Karya Island waters tended to have a stratification. Generaly, water qualities in the study areas were in the op-timum range for white shrimp culture, i.e., temperature of 29.6-30.8oC, turbidity of 0.10-1.05 NTU, transparency of 5.8-9.7 m, total suspended solid of <8 mg/L, total dissolved solid of 20-164 mg/L, pH of 6.89-7.22, salinity of 32.2-32.3, dissolved oxygen of 5.8-10.8 mg/L, ammonia of 0.068-0.145 mg/L, nitrate 1.247-2.589 mg/L, and phosphate  of 1.021-2.352 mg/L. Moreover, in Semak Daun Island wa-ters, we found the highest suitability for white shrimp culture due to its better water circulation.Keywords: mariculture, coral reef waters, strait, water current, turnover, stratification.
UTILIZATION OF MARINE FUNGAL Nodulisporium sp. KT29 METABOLITES TO IMPROVE THE PRODUCTION PERFORMANCE OF MARINE CULTURE OF WHITE SHRIMP Fazril Saputra; Dinamella Wahjuningrum; Kustiariyah Tarman; Irzal Effendi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (212.569 KB) | DOI: 10.29244/jitkt.v8i2.15839

Abstract

This study aimed to determine the best dose of administration of marine fungal Nodulisporium sp. KT29 metabolites to improve the production performance of marine culture of white shrimp. The experimental animals used were white shrimp Litopenaeus vannamei post larvae 12, which were reared in the sea using floating net cages with a stocking density of 700 post larvae/net. Experimental design used was a completely randomized design consisting of 3 treatments with 3 replications; control without the administration of Nodulisporium sp. KT29 metabolites, dietary of feed containing Nodulisporium sp. KT29 metabolites at doses of 20 mL/kg of feed and 40 mL/kg of feed. The results showed that survival rate, absolute length growth, weight gain, daily growth rate and feed conversion ratio in treatment groups were better than the control (P<0.05). The administration of marine fungal Nodulisporium sp. KT29 metabolites at a dose of 20 mL/kg of feed could improve the production performance of white shrimp cultivated in the sea with survival rate, daily growth rate and feed conversion ratio: 66.61±6.94%, 20.18±0.39 %/day and 3.20±0.22, respectively.
PENDEDERAN UDANG VANAME Litopenaeus vannamei DENGAN TEKNOLOGI BIOFLOK UNTUK MENINGKATKAN PERTUMBUHAN DAN EFISIENSI PAKAN T.M. Haja Almuqaramah; Mia Setiawati; Nur Bambang Priyoutomo; Irzal Effendi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 10 No. 1 (2018): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (470.34 KB) | DOI: 10.29244/jitkt.v10i1.21671

Abstract

Budidaya udang vaname Litopenaeus vannamei di karamba jaring apung (KJA) laut mempunyai prospek yang sangat bagus untuk dikembangkan. Budidaya udang di laut membutuhkan tokolan yang berkualitas dan berkuantitas. Tokolan tersebut diperoleh melalui tahap pendederan menggunakan sistem intensif. Namun sistem tersebut memiliki beberapa kendala karena menggunakan padat tebar tinggi dan pemberian jumlah pakan meningkat. Pakan yang tidak termakan dan hasil eksresi metabolik udang, terakumulasi dalam air sehingga konsentrasi senyawa nitrogen terutama ammonia dalam air meningkat. Saat ini, sistem bioflok (BFT-Bio-flocs technology) mulai dikembangkan untuk mengurangi limbah kegiatan budidaya. Tujuan penelitian ini adalah untuk pendederan udang vaname L. vannamei dengan sistem bioflok untuk meningkatkan pertumbuhan dan efisiensi pakan. Rancangan percobaan yang digunakan adalah rancangan acak lengkap (RAL) dengan 2 perlakuan dan 3 ulangan. Hasil penelitian menunjukan bahwa perlakuan sistem bioflok protein 40% memiliki laju pertumbuhan yang lebih tinggi (9,85%) dan efesiensi pakan (37,33%) dibandingkan kontrol. Kegiatan pendederan udang vaname dengan sistem bioflok dapat memberikan pertumbuhan dan efesiensi pakan yang lebih baik dan berbeda signifikan dibandingkan kontrol (P<0,05).
PENGARUH PEMBERIAN HORMON 17β-ESTRADIOL TERHADAP PERKEMBANGAN GONAD SIPUT GONGGONG Laevistrombus turturella Muzahar; Muhammad Zairin Jr.; Fredinan Yulianda; Muhammad Agus Suprayudi; Alimuddin; Irzal Effendi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 11 No. 3 (2019): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (667.043 KB) | DOI: 10.29244/jitkt.v11i3.25877

Abstract

Dog conch Laevistrombus turturella is captured intensively, therefore, their population is decline. The dog conch culture is needed to maintain their population. The technology towards conch reproduction is still not developed yet in Indonesia. The 17β-estradiol hormone in conch and some mollusks has been stated by some researcher yet its main role in conch reproduction process has not widely known. The study about the addition of 17β-estradiol hormone in accelerating gonad development has never been reported. The aim of this study was to evaluate the impact of the addition of 17β-estradiol against dog conch’s gonad development. This study used three treatments for three groups of dog conch those were without injection (P1), injection by 30 µL of corn oil mixed with absolute ethanol (P2), and 30 µL of 17β-estradiol stock solution (P3). After injection, the dog conch was reared in pens culture in their natural habitat for 30 days. This study showed that the injection of a 17β-estradiol solution (P3) stimulated the dog conch’s gonad development as evidenced by greater oocyte mean diameter than another treatment. The mean of gonadal weight and GSI on P3 treatment was also higher than treatments P1 and P2. SDS-PAGE analysis showed that dog conch’s hemolymph has several kinds of proteins with varying molecular weights. Proteins with a molecular weight of 54-55 kDa are predicted as dog conch’s vitellogenin.
SELEKSI INDUK MATANG GONAD PADA SIPUT GONGGONG Laevistrombus turturella Muzahar; Muhammad Zairin Jr.; Fredinan Yulianda; Muhammad Agus Suprayudi; Alimuddin; Irzal Effendi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 12 No. 1 (2020): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.294 KB) | DOI: 10.29244/jitkt.v12i1.28144

Abstract

Siput gonggong Laevistrombus turturella merupakan siput laut yang banyak dikonsumsi masyarakat di Provinsi Kepulauan Riau sehingga populasinya diperkirakan menurun. Upaya pelestarian siput ini perlu dilakukan salah satunya dengan budidaya. Kegiatan budidaya memerlukan ketersediaan induk matang gonad. Tujuan penelitian ini adalah menganalisis ukuran induk siput gonggong matang gonad berdasarkan panjang cangkang dan warna gonad, serta mengevaluasi pengaruh paparan suhu berbeda terhadap kecepatan penentuan jenis kelamin induk. Panjang cangkang siput gonggong diukur dengan jangka sorong, kemudian dipecahkan untuk mengamati warna gonadnya. Data dianalisis dengan student t-test. Perlakuan paparan suhu air 15°C (P1), 20°C (P2), dan 30°C (P3). Tujuh ekor induk siput gonggong dimasukkan ke dalam akuarium sesuai perlakuan, durasi waktu keluar tubuh lunak siput gonggong dari cangkang dicatat. Data dianalisis dengan uji Kruskal Wallis. Hasil penelitian menunjukkan ukuran rata-rata panjang cangkang induk siput gonggong matang gonad dari laut Madong-Tanjungpinang adalah 63,449±5,352 mm (jantan) dan 66,953±5,876 mm (betina). Penentuan jenis kelamin siput gonggong dapat dipercepat dengan pemberian kejutan suhu dengan suhu air 20°C.
Co-Authors . Enywati . Sukenda A.I. Nirwana Achmad Fahrudin Adiguna, Ipong Agnis Murti Rahayu Agus Oman Sudrajat Agustinus Tri Aryanto Aji Fajar Nugraha Ali Mashar Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Amalia E. Maulana Apriana Vinasyiam Apriani, Ita Ardana Kurniaji Asep Sopian Astari, Belinda Asterika Prawesti Atul Hayati, Mira Auzi Asfarian Awaluddin, Muhammad Iswan Barnabas Bara&#039;padang Betutu Senggagau, Betutu Brata Pantjara Budidardi, Tatag D. Augustine Daffa Nuradzani Dea Fauzia Lestari, Dea Fauzia DEDI JUSADI Dedi Suprianto Dendi Hidayatullah, Dendi Dharmadi, , Diah Ayu Lestari, Diah Ayu Diana Putri Renitasari Dinamella Wahjuningrum Dinamella Wahyuningrum Dinar Tri Soelistyowati Eddy Supriyono Efianda, Teuku Reza Enang Harris Surawidjaja Eva Prasetiyono Fajar Maulana . Febrianto, Muhammad Riza Hanief Fery Kurniawan Fredinan Yulianda Gloria I. Satriani Gloria Ika Satriani Gloria Ika Satriani Hamzah, Aris Sando Hanif, Iik Muslihul Haris luthfi Hartanto, Mochamad Tri Harton Arfah Hary Krettiawan Helena Sahusilawane Heni Sela Arianty Herdhata Agusta Hernanda, Virta Rizki I Wayan Nurjaya Iis Diatin Irman Hermadi Isti'anah, Ismi Jannah, Uthary Rahmathul Joni Haryadi, Joni K. Sumawidjaja Kawirian, Rizky Regina Khairah, Hylda Kukuh Nirmala Kusman Sumawidjaja Kustiariyah Tarman Lastriliah, Mira Ligaya I. T. A. Tumbelaka Liubana, Debora Victoria M. Nasir M. Zairin Junior Manja Meyky Bond, Manja Meyky Martinez, Stepahnie J. Mia Setiawati Muhammad Abduh MUHAMMAD AGUS SUPRAYUDI Muhammad Iswan Awaluddin Muhammad Zairin Jr. Muhammad Zairin Jr. Muhlis Muhlis Muhmmad Agus Suprayudi Mulyadin, Aldy MUNTI YUHANA Muzahar N. Suhenda Nidwidyanthi, Nidwidyanthi Nur Bambang Priyoutomo Pratama, Ahmad Trio Puji Hastuti, Yuni Puradiredja, Sena Pasha Putri Utami, Putri Rahman, Muhammad Aghistni Rastina Renitasari, Diana Putri RIDWAN AFFANDI Riska Puluhulawa Riza Rahman Hakim Rizki, Rani Ria Roni Nugraha Ruku Ratu Borut Salsabila, Afviya Santi Susanti, Santi sapanli, kastana Shavika Miranti Sophia N. M. Fendjalang Sri Hariati Sri Nuryati Sugeng Heri Suseno Sukenda . Suko Ismi Supryady Supryady Supryady, Supryady Surya Saputra, Surya Suwarto T. Prasetya T. Yusdiana T.M. Haja Almuqaramah Tatag Budiardi Tatag Budidardi Toto Haryanto Tri Astuti Tri Prartono Tridoyo Kusumastanto Vinasyam, Apriana Wahjuni, Sri Wahyudin Wahyudin WIDANARNI WIDANARNI Widanarni Widanarni Wijianto Wijianto Wildan Nurussalam Wini - Trilaksani Wiyoto Wiyoto Y. Hadiroseyani Yani Haderoseyani Yonvitner - Yunarty Yunarty Yunarty Yunarty, Yunarty Yuni Puji Hastuti Yusuf, Muh. Amri Zaki, Nurul Hidayah Mat