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Jurnal BETA (Biosistem dan Teknik Pertanian)
Published by Universitas Udayana
ISSN : 25023012     EISSN : 25023012     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Jurnal BETA (Biosistem dan Teknik Pertanian) memuat hasil penelitian di bidang teknik biosistem (biosystem engineering). Cakupan dari jurnal ini merentang dari aplikasi ilmu keteknikan untuk pertanian. Diantara bidang ilmu tersebut, yang menjadi fokus adalah Bidang Manajemen Keteknikan Pertanian, Teknologi Pascapanen khususnya produk Hortikultura, Rekayasa dan Ergonomika, Konservasi Sumber Daya Alam, serta khusus tentang aplikasi Instrumentasi dan Sistem kontrol dalam bidang pertanian.
Arjuna Subject : -
Articles 344 Documents
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Analisis Dinamika Suhu pada Proses Pengomposan Jerami dicampur Kotoran Ayam dengan Perlakuan Kadar Air Kadek Ardhi Krisnawan; I Wayan Tika; I A. Bintang Madrini
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 6 No 1 (2018): Maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Abstract

Kadar air merupakan salah satu faktor penting dalam proses pengomposan jerami yang dicampur dengan kotoran ayam. Penelitian ini bertujuan untuk 1) mengetahui dinamika suhu pada proses pengomposan bahan baku kompos dengan perlakuan kadar air 2) dan mengetahui kadar air campuran bahan baku kompos yang menghasilkan kualitas kompos terbaik. Penelitian ini menggunakan perlakuan kadar air dengan persentase: 30±2% (P1), 40±2% (P2), 50±2% (P3), 60±2% (P4), dan 70±2% (P5). Perbandingan komposisi jerami dan kotoran ayam yaitu 3:4. Parameter yang diukur selama proses pengomposan adalah suhu, pH, dan rendemen. Sedangkan parameter untuk kualitas kompos yaitu pH, kadar air akhir, kadar bahan organik, karbon, nitrogen, dan C/N rasio. Secara umum, suhu selama proses pengomposan untuk setiap perlakuan cenderung seragam dengan suhu maksimal berkisar antara 49,4 - 49,6oC, kecuali pada perlakuan P1 yang memiliki suhu maksimal 34,8oC. P4 dengan kadar air campuran bahan kompos 60±2% adalah perlakuan terbaik dengan C/N rasio 15,68 dan kualitas kompos yang dihasilkan sesuai kriteria SNI 19-7030-2004, yaitu memiliki warna cokelat kehitaman, tekstur remah, mempunyai bau seperti tanah, dengan kadar air akhir 35,55%, pH 7,2, serta kandungan bahan organik 56,50%. The moisture content is an important factor in composting process of rice straw with chicken manure. This research aimed to 1) determine the temperature dynamics in the composting process of compost raw materials with moisture content treatment 2) and to determine moisture content of raw compost material that produced the best compost quality. This research used moisture content treatment with percentage: 30±2% (P1), 40±2% (P2), 50±2% (P3), 60±2% (P4), dan 70±2% (P5). The composition of straw and chicken manure was 3:4. The parameters measured during the composting process were temperature, pH, and decreasing ratio. While the parameters for compost quality were pH, final moisture content, volatile solid, carbon, nitrogen, and C/N ratio. In general, the temperature dynamics for each treatment were uniform with a maximum temperature range from 49.4 – 49.6oC, except for treatment P1 which has a maximum temperature 34.8oC. P4 which has moisture content of compost materials 60 ± 2% was the best treatment with C/N ratio 15,68 and compost produced met to the compost quality based on SNI 19-7030-2004, which has a blackish brown color, crumb texture, has a smell like soil with final moisture content 35.55%, pH 7.2, and volatile solid 56.50%.
Dampak Dosis Kompos Kotoran Sapi Terhadap Profil Suhu Tanah di Zona Perakaran dan Produktivitas Tanaman Pakcoy (Brassica rafa L) I Made Andi Purnama Wijaya; Yohanes Setiyo; I Wayan Tika
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 2 (2019): September
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (405.953 KB) | DOI: 10.24843/JBETA.2019.v07.i02.p05

Abstract

Suhu tanah adalah salah satu sifat fisik tanah yang secara langsung mempengaruhi pertumbuhan tanaman pakcoy. Tujuan penelitian ini adalah (1) untuk menganalisis suhu di zona perakaran, (2) menganalisis hubungan antara dosis pemupukan mempergunakan kompos dengan suhu di zona perakaran dan (3) untuk menganalis suhu yang optimum untuk produktivitas dan kualitas pakcoy yang dihasilkan saat panen. Rancangan penelitian yang digunakan rancangan acak lengkap, dengan lima perlakuan dan tiga ulangan. Perlakuan tersebut adalah P0 : dosis kompos 0 kg/m2, P1 : dosis kompos 1 kg/m2, P2 : dosis kompos 2 kg/m2, P3 : dosis kompos 3 kg/m2, dan P4 : dosis kompos 4 kg/m2. Parameter yang diamati pada penelitian ini adalah suhu udara, suhulingkungan, kadar air tanah dan produktivitas. Padamalam hari suhu tanah di zona perakaran lebih tinggi 0,59 oC dari pada suhu lingkungan. Suhu tanah di zona perakaran terendah dan tertinggi adalah 18,02 oC dan 21,94 oC. Suhu tanah malam hari dan siang hari untuk dosis 0-5kg/m2 masih toleran pada tanaman pacoy. Berat kering tanaman pakcoy tertinggi pada perlakuan dosis kompos 4kg/m2 denganberat 92,21 gram/tanaman dan terendah pada perlakuan kontrol dengan berat 71,82 gram/tanaman. The temperature of the soil is one of the physical properties of the soil, this soil physical properties direc2tly affect plant growth pakcoy. The purpose of this research are (1) to analyze the temperature at root zone, temperature inside and out of the mini greenhouse, (2) analyze the relationship between temperature at root zone with doses of compost fertilizer application and 3) to analyze the optimum dose of compost based on productivity and quality of the pakcoy is generated when the harvest. The design of the research used randomized complete design, with five treatments and three replicates. The treatment is P0: a dose of compost 0 kg/m, P1: a dose of compost 1 kg/m2, P2: a dose of compost 2 kg/m2, P3: the dose of compost 3 kg/m2, and P4: a dose of compost 4 kg/m2. The parameters observed in this research is the air temperature, the temperature of the environment, ground water levels and productivity. At night the temperature of the soil rooting zone higher at 0.59 ºC than at the temperature of the environment. Soil temperature at root zone the lowest and the highest are 18.02 oC and 21.94 oC. The temperature of the soil the night and during the day for dose 0-5 kg/m2 was still tolerant plants pakcoy. Dry weight of the plant the highest pakcoy on the treatment dose of compost 4 kg/m2 with a weight of 92.21 grams/lowest at the treatment plant and the control by the weight of 71.82 grams/plant.
Analisis Tingkat Kepuasaan Petani Paprika (Capsicum annum L) terhadap Penggunaan Fungisida Kimia (Studi Kasus Desa Candikuning, Baturiti, Tabanan, Bali) Riski Nirmala Sidabutar; Ida Bagus Putu Gunadnya; Ida Ayu Rina Pratiwi Pudja
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 2 (2020): September
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (635.191 KB) | DOI: 10.24843/JBETA.2020.v08.i02.p14

Abstract

Paprika merupakan komoditas sayuran potensial dengan jumlah produksi yang cukup tinggi. Tetapi bila terjadi insiden penyakit tanaman dengan keparahan yang tinggi dapat menyebabkan kerusakan bahkan kematian pada tanaman ini. Petani paprika menggunakan fungisida kimia untuk tanaman paprika karena dapat membantu proses pertumbuhan paprika lebih baik dan mendapatkan hasil paprika yang memuaskan dan menguntungkan. Untuk jenis fungisida kimia yang digunakan adalah Rubikan, Linertin dan Demolis. Semua fungisida ini digunakan dengan menyemprotkan pada tanaman paprika. Tujuan dari penelitian ini adalah untuk menganalisis tingkat kepuasan petani dan menentukan faktor-faktor yang mempengaruhi kepuasan petani sebagai pengguna fungisida kimia. Data dikumpulkan dengan survei acak terhadap 30 petani paprika yang menggunakan fungisida kimia di Desa Candikuning pada bulan April-Mei 2019. Metode Analisis dilakukan dengan menggunakan metode deskriptif, Analisis Kinerja Penting (IPA), dan Indeks Kepuasan Pelanggan (Customers Satisfaction Index, CSI). Hasil penelitian menunjukkan bahwa penggunaan fungisida kimia didominasi oleh petani usia produktif (64%), tingkat pendidikan di tingkat sekolah dasar sekolah menengah pertama (64%), pekerjaan sampingan di pertanian (77%). Petani sangat puas (85%) tentang penggunaan fungisida kimia. Faktor-faktor yang mempengaruhi tingkat kepuasaan petani paprika yaitu kemampuan dalam meningkatkan hasil panen, lebih menguntungkan, manfaat dalam mendapatkan hasil panen paprika dan kualitas produk fungisida. Paprika is a potential vegetable commodity with a fairly high amount of production. But if there is an incident of plant disease with high severity it can cause damage and even death to this plant. Peppers farmers use chemical fungicides for paprika plants because they can help the process of growing paprika better and get satisfying and profitable paprika yields. The types of chemical fungicides used are Rubikan, Linertin and Demolis. All of these fungicides are used by spraying on paprika plants. The purpose of this study is to analyze the level of satisfaction of farmers and determine the factors that influence the satisfaction of farmers as users of chemical fungicides. Data were collected by a random survey of 30 paprika farmers using chemical fungicides in Candikuning Village in April-May 2019. Methods of Analysis were conducted using descriptive methods, Important Performance Analysis (IPA), and the Customer Satisfaction Index (CSI). The results showed that the use of chemical fungicides was dominated by productive age farmers (64%), the level of education at the elementary school level of junior high school (64%), side jobs on agriculture (77%). Farmers are very satisfied (85%) about the use of chemical fungicides. Factors that influence the level of satisfaction of paprika farmers are the ability to increase crop yields, more profitable, benefits in getting paprika yields and the quality of fungicide products.
Analisis Sistem Produksi Ikan Tuna Loin Segar Menggunakan Konsep Lean Thinking (Studi Kasus Di Cv. Kyu Karya Abadi) I Putu Agus Amijaya; I Wayan Widia; I Gusti Ngurah Apriadi Aviantara
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 1 No 1 (2013): Maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Abstract

Penelitian ini bertujuan untuk menganalisis sistem produksi ikan tuna loin segarmenggunakan konsep Lean Thinking. Fokus dari analisis sistem produksi menggunakan konsep lean adalah mengurangi waktu tunggu dan mengurangi pemborosan sehingga pada akhirnya akan meningkatkan produktifitas. Hasil penelitian menunjukkan bahwa, ditemukan rata-rata waktu satu siklus produksi tuna loin segar di CV. Kyu Karya Abadi yaitu mencapai 299 menit, dengan distribusi 67 menit dihabiskan dari aktivitas-aktivitas value added dan sisanya 232 menit dihabiskan dari aktivitas-aktivitas non value added. Berdasarkan pengamatan terhadap tujuh jenis pemborosan, ditemukan terdapat satu jenis pemborosan yang terjadi di CV. Kyu Karya Abadi yaitu dikarenakan adanya produk cacat. Selain itu, pemborosan lainnya pada proses produksi di CV. Kyu Karya Abadi menggunakan process activity mapping terjadi oleh adanya jarak ruang produksi utama dengan ruang penyimpanan yang kurang berdekatan. Masih belum efisiennya proses produksi tuna loin segar di CV. Kyu Karya Abadi perlu menjadi perhatian pihak perusahaan untuk meningkatkan produktifitas produksi. Dari hasil tersebut diatas, dapat diberikan rekomendasi agar perusahaan menekan supplier untuk mengirimkan barang dengan kualitas terbaik sehingga dapat menurunkan persentase cacat. The aim of this study is to analyze the production system of fresh tuna loin using Lean Thinking concept. The focus of the analysis production system using the lean concept are to reduce the waste and waiting time that will ultimately increase productivity. The results of the research showed that, the average cycle time of the production of fresh tuna loin in CV. Kyu Karya Abadi reached 299 minutes, in which 67 minutes was spent on value added activities andthe rest 232 minutes was spent on the activities of non-value added. Based on observation of the seven types of waste, found there was one type of waste occur in the CV. Kyu Karya Abadi which was due to the defective products. Moreover, waste of the production process according to the process mapping activity in CV. Kyu Karya Abadi occurred by the distance of the main production room with the storage room which is less contiguous. Since there was still inefficient in the production processes of fresh tuna loin in CV. Kyu Karya Abadi, it the attention of the company is needed to increase the productivity of the production. Based on those results, it can be recommended that the company should pressing the supplier to deliver the highest quality goods, therefore they can reduce the percentage of defective.
Pengaruh Suhu dan Lama Pemanasan terhadap Karakteristik Ikan Tongkol Olahan yang Direndam Dalam Larutan Asap Cair Batang Bambu Tabah (Gigantochloa nigrociliata BUSE-KURZ) Luber Turnip; I Wayan Widia; Pande Ketut Diah Kencana
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 1 (2020): April
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1109.059 KB) | DOI: 10.24843/JBETA.2020.v08.i01.p20

Abstract

Tuna has a high protein and water content, and has solid meat. But tuna is also very easy to damage. The cause of damage fish is a high water content which can cause microorganisms to multiply easily. Fumigation with liquid smoke is safer and more practical than conventional fumigation, because liquid smoke contains phenol, carbonyl and organic acids which are useful for providing a distinctive taste and as preservatives in fish. The liquid smoke comes from stem of tabah bamboo (Gigantochloa nigrociliata Buse-Kurz). The purpose of this study was to determine the effect of temperature and heating time on the characteristics of processed tuna which soaked in liquid smoke stem of tabah bamboo and to find out the temperature and heating time of the best organoleptic characteristics of processed tuna which soaked in a solution of liquid smoke stem of tabah bamboo. The method used is Factorial Completely Randomized Design with two factors. The first factor is the treatment of heating temperature which consists of three levels, and the second factor is the treatment of heating time which consists of three levels. Each treatment was repeated twice. The best combination of treatments is the heating temperature of 100?C, heating for 4 hours produce pH 5.5, water content 58.06%, ash content 1.69%, protein content 18.29%, hedonic color test 3.94, aroma test hedonic 4.28, hedonic texture test 4.72, hedonic taste test 4.5, texture scoring test 4.83, and the overall acceptance scoring test is 4.39. Keywoard : smoked tuna, liquid smoke, tabah bamboo.
Optimalisasi Perencanaan Diversifikasi Usaha Bunga Potong Putu Darmayanti; IGN Apriadi Aviantara; IB Putu Gunadnya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 5 No 1 (2017): maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Abstract

simpleks Penelitian ini bertujuan untuk mengetahui margin keuntungan setiap jenis bunga potong dan menentukan jenis bunga potong yang dapat diusahakan untuk memperoleh keuntungan optimal dalam diversifikasi pengembangan usaha bunga potong. Hasil analisis diperoleh harga pokok per tangkai untuk bunga potong: pisang hias Heliconia carabaea merah, pisang hias Heliconia carabaea kuning, Anthurium, pisang hias Yellow dancer, pisang hias Gantung kapur, pisang hias Sexy pink, pisang hias Betet, pisang hias Obor, pisang hias Onje adalah Rp 498, Rp 456, Rp 316, Rp 503, Rp 578, Rp 583, Rp 458, Rp 496, Rp 523 dengan margin keuntungan per tangkai untuk masing-masing bunga potong adalah Rp 1.408, Rp 1.484, Rp 58, Rp 1.000, Rp 1.134, Rp 1.163, Rp 823, Rp 657, Rp 429. Berdasarkan hasil perhitungan menggunakan metode simpleks dengan fungsi tujuan dari margin keuntungan setiap jenis bunga potong, serta fungsi batasan berupa biaya produksi dan keadaan pasar, maka diperoleh hasil keuntungan optimal yang dapat diusahakan adalah jenis bunga potong pisang hias Heliconia carabaea merah: Rp 33.114.331, pisang hias Heliconia carabaea kuning: Rp 30.386.354, pisang hias Sexy Pink : Rp 18.937.006 dan pisang hias gantung kapur: Rp 17.406.161. This research aims to determine the historical pattern of sales of each product variant, the index of special events that influence the demand and forecasting models are most appropriate to use as the basis for planning the production of Coca-Cola 200 ml and Sprite 295 ml in PT. CCBI Balinusa. From these studies obtained pattern on the monthly sales of each product in 2015 fluctuated from time to time. The highest sales of Coca-Cola 200 ml occurred in September, and Sprite 295 ml occurred in December. While the lowest sales data on Coca-Cola 200 ml and Sprite 295 ml occurred in July. Index top special event for Coca-Cola 200 ml is on Christmas and New Year (I=2.43), the lowest was Idul Adha (I=1.42) and Sprite 295 ml highest at Christmas and New Year (I=2.17), the lowest in the Waisak (I=1.47). The best forecasting model for Coca-Cola 200 ml is an exponential smoothing event based (ESEB) with ? = 0.3 and for Sprite 295 ml is an exponential smoothing event based with ? = 0.1.
Pengaruh Konsentrasi Uap Etanol Terhadap Mutu dan Masa Simpan Pisang Barangan ( Musa Sapientum L) Diori Beca Narmalia Malau; I Made Supartha Utama; Ida Ayu Rina Pratiwi Pudja
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 2 (2020): September
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.262 KB) | DOI: 10.24843/JBETA.2020.v08.i02.p06

Abstract

Tujuan penelitian ini adalah untuk mengetahui pengaruh perlakuan uap etanol terhadap mutu dan masa simpan pisang barangan pada suhu ruang. Penelitian ini menggunakan rancangan acak lengkap (RAL) dengan 3 ragam volume ragam : 0 ml, 3 ml, 6 ml masing-masing di perangkap dalam 5 gram karagenan dan di masukkan ke dalam sachet teh. Sachet lalu di tempatkan pada alas sterofoam dimana terdapat 3 buah pisang barangan, Selanjutnya di tutup menggunakan plastik film regang LDPE. Pisang Barangan tanpa perlakuan atau kontrol digunakan untuk pembanding. Buah lainnya di simpan pada suhu kamar (27±2????oC) dan suhu ruang (14±1oC). Yang di amati parameternya selama penyimpanan adalah vitamin C, Total Asam, Tekstur analyzer, warna, dan organoleptik. Hasil penelitian yang dilakukan etanol sangat berpengaruh nyata dalam menurunkan tingkat kerusakan, vitamin C, memperlambat laju kekeraasan, warna kulit, vitamin C serta total asam pada buah pisang tersebut di banding buah kontrol. Demikian pula uap etanol mampu memberikan nilai tingkat kesukaan terhadap panelis lebih tinggi terhadap warna, rasa, dan penampilan secara keseluruhan di bandingkan perlakuan buah kontrol. Dari ragam perlakuan etanol, 6 mL etanol adalah perlakuan terbaik untuk menghambat laju kerusakan, perubahan mutu, serta meningkatkan kesukaan terhadap panelis. Keyword : Pisang Barangan, Uap Etanol, Kemasan Atmosfir Termodifikasi, Mutu Pascapanen. The aim of this research was to determine the effect of etanol vapor on the quality and the shelf life of Barangan Banana. Three different volumes of ethanol, namely 0 ml, 3 ml and 6 ml, were trapped in the 5 gram carrageenan placed in the tea sachets. The sachet was then put on the basal of styrofoam tray on which 3 fruits were placed and then wraped by streching film LDPE. Control fruits or un-treated fruits were also provided as comparison. The result showed that the ethanol vapor treatments , color of fruit surface and vitamin C, compared to the control fruits. The ethanol vapor was also able to give better preferences of panelists on the color and flavor of the aril, as well as the overall performances of the fruits compared to the controls. The 6 mL ethanol per package created ethanol vapor of which the best vapor to reduce the rate of damage and the change of quality and increase the panelists preferences. Keywords: Asparagus, polypropylene plastic, perforation, cold storage.
Analisis Profil Suhu pada Greenhouse Tipe ARCH untuk Budidaya Bunga Krisan (Chrysanthemum morifolium) Ni Putu Yuliasih; Sumiyati Sumiyati; Yohanes Setiyo
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 4 No 1 (2016): Maret
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Abstract

This research was describe about temperature profile on Arch Greenhouse with the curved shape of roof and square wall for Chrysanthemum (Chrysanthemum morifolium) that cultivated on Arch Greenhouse. The aims of this research were to obtain a temperature profile on arch greenhouse, to determine the building height of arch greenhouse which suit for chrysanthemum cultivation. Height treatments of greenhouse was separated by 3 levels i.e. 2.5 m, 3.0 m, and 3.5 m. Chrysanthemum seeds varietys used in this research was Fiji white. To measure the temperature used temperature and humidity meter. Temperature measurement carried out by 2 times start from a week before planting (empty condition) and plant age was 45 days after planting. Doing the measurement on morning, noon, and afternoon. Analysis data of temperature was done with interpolation to determine profile contour line of analysis temperature. The result showed that there are the different shape and contours distribution profile of microclimate for difference height. The level of growth plan on each treatments showed a better productivity on greenhouse with height 2.5 m when compared with the others. Greenhouse with height 2.5 m produced flower quality which suit as the SNI with average of height plan was 81.93 cm, grooming age was 46 days, amount flower was 5 florets per stem, flower wide was 44.26 cm, and dry weight was 13.11 gram.
Perancangan Alat Distribusi Ikan Segar Menggunakan Media Pendingin Ice Pack untuk Pedagang Ikan Keliling Nyoman Dhira Prayasa; I Wayan Widia; I Made Anom S. Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 2 (2019): September
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (840.535 KB) | DOI: 10.24843/JBETA.2019.v07.i02.p01

Abstract

Telah dilaksanakan penelitian terkait perancangan dan pembuatan alat distribusi ikan segar menggunakan media pendingin ice pack untuk pedagang ikan keliling. Penelitian dilaksakana bertujuan untuk merancang dan membuat alat distribusi ikan segar yang dapat mempertahankan suhu ikan segar selama transportasi dan penjualan. Penelitian ini terdiri dari dari beberapa tahapan diantaranya identifikasi kebutuhan, perancangan fungsional, perancangan structural dan uji kinerja. Alat distribusi ikan segar yang dibuat tersusun atas ruang penyimpanan ikan, media pendingin ice pack, dan dudukan ruang penyimpanan. Sedangkan untuk pengujian kinerja terdiri dari capaian suhu ruang penyimpanan ikan dalam kondisi kosong, capaian lama waktu alat distribusi ikan dalam mempertahankan suhu rendah ikan, pengukuran nilai Coefficient of Performance (COP), dan penilaian mutu ikan sebelum dan sesudah transportasi dan penjualan dengan uji organoleptik. Hasil pengujian kinerja menunjukkan bahwa capaian suhu terendah ruang penyimpanan ikan adalah -12.30C dengan lama pendinginan hingga batas atas 50C adalah 14.3 jam. Alat distribusi ikan segar yang dibuat dapat mempertahankan suhu rendah ikan dengan batas atas 50C selama 32,03 jam, dengan nilai COP sebesar 0.67. Berdasarkan uji mutu ikan didapatkan bahwa nilai mutu ikan yang dijual sebelum, setelah transportasi dan setelah penyimpanan adalah 8.0, 7.4, dan 6.2. Research on fresh fish distribution tool using ice pack as cooling media for small-scale fresh fish retailer was conducted. The research aimed to design fresh fish distribution system for small-scale fresh fish retailer which can maintain the quality of fresh fish during transportation. This research was carried out through several stages, i.e. identification of needs, functional design, structural design and performance test. Fresh fish distribution tool using ice pack as cooling media for fresh fish small-scale retailer consisted fish storage room, fish storage room cover, ice pack, rack and fish storage stand. Performance test was carried out by observing the room temperature of fish storage room in unloaded condition and fish temperature during 4 hours transportation, determining the coefficient of performance (COP) value and observing the fish quality during transportation with organoleptic test. The result showed that the room temperature of fish storage room in unloaded condition could reach -12.30C after 24 minutes operation and maintain temperature with 50C upper limit for 14,3 hours, the distribution tool using ice pack as cooling media could maintain the fish temperature with 50C upper limit for 32.03 hours and organoleptic quality values before transportation, after transportation and after 12 hour storage were 8.0, 7.4, and 6.2. Values of COP was 0.67. This result has fulfilled the requirement of fish quality standard according to national standardization institution.
Kajian Proses Fermentasi Sludge Kotoran Sapi I Putu Gde Suhartana; Dr. Ir Yohanes Setiyo, MP; Dr. Ir. I Wayan Widia, MSIE
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 5 No 1 (2017): maret
Publisher : Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh perlakuan sirkulasi udara terhadap proses fermentasi sludge kotoran sapi dan juga mengetahui kualitas sludge yang dihasilkan sesuai dengan SNI kompos No. 19-7030-2004. Perlakuan sirkulasi udara dilakukan dengan menggunakan aerator. Ada tiga kombinasi perlakuan yang dicoba, yaitu aerator dan drum bermantel, aerator dan drum tanpa mantel, serta tanpa aerator dan drum tanpa mantel (perlakuan kontrol). Hasil penelitian ini menujukan bahwa setiap perlakuan pada proses fermentasi memiliki fluktuasi suhu yang berbeda antara 21,56-24,41 oC. Suhu ini merupakan syarat untuk pertumbuhan mikroba mesofilik. Kondisi keasaman dari material sludge yang diperoleh pada awal sampai akhir fermentasi seluruh perlakuan telah memenuhi kondisi proses fermentasi yang optimal, yaitu pada kisaran pH 6,92-7,65. Pengaruh sirkulasi udara didalam biodigester dapat mempercepat pemecahan protein menjadi C-organik dan N-total yaitu C-organik = 24,22% dan N-total = 1,80%. Kompos yang dihasilkan dengan proses fermentasi memiliki karakteristik rasio C/N = 13,46 dan memiliki penampakan warna coklat kehitaman. Karakteristik kompos ini sesuai dengan kualitas kompos SNI No. 19-7030-2004, yaitu pH = 6,80-7,49, C-organik = 9,80-32%, N-total = 0,40%, rasio C/N = 10-20. This research aimed to determine the effect of air circulation treatment toward cow manure sludge fermentation process and to determine the quality of sludge that was produced accordance to Indonesia National Standard (SNI) of Compost No. 19-7030-2004. The air circulation treatment was done by using aerator. There were three combination treatments of air circulation: the aerator and drum with coat, aerator and drum without coat, and without aerator and drum without coat was applied as a control. The results of this study indicate that each treatment in the fermentation process had a different temperature fluctuations between 21.56 to 24.41 °C. Temperature is a requirement for mesophilic microbial growth. The acidity condition of the sludge material that obtained at the beginning until the end of fermentation was the whole treatment has fulfilled the optimal conditions of fermentation process, with range of pH was from 6.92 to 7.65. The influence of air circulation inside the drum without the coat of husk can accelerate the breakdown of proteins into C-organic and N-total, that was C-organic= 24.22%, and N-total = 1.80%. The compost that produced by the fermentation process had the characteristic ratio C / N = 13.46 and had a blackish brown color rendition. Characteristics of compost according to the quality of compost ISO No. 19-7030-2004, that is pH = 6.80 to 7.49, C-organic = 9.80 to 32%, N-total = 0.40%, the ratio of C / N = 10-20.

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