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Jurnal Keteknikan Pertanian
Published by Institut Pertanian Bogor
ISSN : 24070475     EISSN : 23388439     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Keteknikan Pertanian dengan No. ISSN 2338-8439, pada awalnya bernama Buletin Keteknikan Pertanian, merupakan publikasi resmi Perhimpunan Teknik Pertanian Indonesia (PERTETA) bekerjasama dengan Departemen Teknik Mesin dan Biosistem (TMB) IPB yang terbit pertama kali pada tahun 1984, berkiprah dalam pengembangan ilmu keteknikan untuk pertanian tropika dan lingkungan hayati. Jurnal ini diterbitkan dua kali setahun. Penulis makalah tidak dibatasi pada anggota PERTETA tetapi terbuka bagi masyarakat umum. Lingkup makalah, antara lain: teknik sumberdaya lahan dan air, alat dan mesin budidaya, lingkungan dan bangunan, energi alternatif dan elektrifikasi, ergonomika dan elektronika, teknik pengolahan pangan dan hasil pertanian, manajemen dan sistem informasi. Makalah dikelompokkan dalam invited paper yang menyajikan isu aktual nasional dan internasional, review perkembangan penelitian, atau penerpan ilmu dan teknologi, technical paper hasil penelitian, penerapan, atau diseminasi, serta research methodology berkaitan pengembangan modul, metode, prosedur, program aplikasi, dan lain sebagainya.
Arjuna Subject : -
Articles 632 Documents
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Penggunaan Teknologi Perontokan untuk Menekan Susut dan Mempertahankan Kualitas Gabah Rokhani Hasbullah; Riska Indaryani
Jurnal Keteknikan Pertanian Vol. 23 No. 2 (2009): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.023.2.%p

Abstract

Paddy (Oryza sativa) is a plant producing rice as a staple food of Indonesian people. Efforts to increaserice production is done not only through the extention of the rice areas, but also to minimize postharvestlosses. This study aims to assess the use of thresher technology on postharvest losses of paddy. Threshingof paddy is done by three methods: (1) manually or “gebot”, (2) using pedal threshers, and (3) using powerthreshers. The results showed that the use of power thresher able to reduce paddy losses from 3,31 to4,35 % (for manual threshing or gebot) to be 0,49 to 1,21 %. The use of power thresher also reduces thepercentage of grain cracking from 7,1 % to be 4,1 % by threshing manually. Threshing capacity using powerthresher from 708.0 to 773.0 kg/h, while using the pedal thresher 84.96 to 113.00 kg/h and manual thresherresulting only 54.69 to 62.22 kg/h.Keywords: paddy, power thresher, pedal thresher, manual thresher, postharvest lossesDiterima: 15 Juni 2009; Disetujui: 29 September 2009
Kajian Pengaruh Konfigurasi Mesin Penggilingan terhadap Rendemen dan Susut Giling beberapa Varietas Padi Rokhani Hasbullah; Anggitha Ratri Dewi
Jurnal Keteknikan Pertanian Vol. 23 No. 2 (2009): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.023.2.%p

Abstract

Rice is the staple food for Indonesian people so that the rice supply will be the barometer for thenational’s food security. In rice production, both of postharvest losses and low milling yield are still theproblems due to lack of postharvest handling. In this study, the effect of rice milling machine configurationon the milling yield and quality of some paddy varieties was examined. Paddy variety of Ciherang, Cibogoand Hybrid were milled using a configuration process of: 1) two husking and two polishing (2H-2P), 2) onehusking, one separating and one polishing (H-S-P), and 3) one husking, two separating and two polishing(H-2S-2P). The results show that the paddy varieties significanly affect milling yield and losses. However,rice milling machine configurations are not significantly affect the milling yield and losses. Paddy variety ofCibogo resulting in the highest milling yield (67.80 %) compared to Ciherang (62.61 %) and Hibrida (60.78%). Paddy variety of Cibogo resulting in the lowest losses (1.41 %) compared to Ciherang (3.43 %) andHibrida (3.03 %). The speed of milling process for configuration of 2H-2P, H-S-P and H-2S-2P were 228.1kg/hour, 295.6 kg/h and 263.2 kg/hr respectively.Keywords: paddy, rice milling configuration, milling lossess, milling yieldDiterima: 30 Juni 2009; Disetujui: 19 Oktober 2009
Sieving Effect of Sorting Machine with Vibration Table Type on Cacao Pod Based Compost Siswoyo Soekarno; Edy Suharyanto; Ahmad Hudi Arif
Jurnal Keteknikan Pertanian Vol. 23 No. 2 (2009): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.023.2.%p

Abstract

Cacao pod is the biggest part (70% of weight) of Cacao, which was not optimaly utilized.Cacao podis one of organic material that can be functioned as an organic fertilizer, such as compost. When utilizedwith right proportion, organic fertilizer is safe for plants and not degrades the soil composition. Compostingprocess is one of utilization form of Cacao pod. The size reduction of cacao pod in the organic fertilizerprocess would help to accelerate the composting process. Smaller particle size would faster interacting withenvironment, so the composting process would be well accelerated if compared to the material with biggersize. Chopping machine of Cacao pod is used to cut the biomass to be small particle in order to be able tobe utilized as some important necessity, i.e. fertilizer or farm animals feed. However, Varies compost sizewas one of the problems faced in the composting process. Therefore, the sorting process was needed tobe done after chopping process, so the compost size became uniform and fulfill the user demand. Thisresearch was aimed at knowing the slope effect of sorting machine and rotation speed (RPM). The methodused in analyzing the results of this research was comparing the treatment factors, which are shown withhistogram. As the super small size of compost recommended for applying in the fertilizing process, so theoptimum treatment combination for having high mass fraction of SS compost grade was achieved at 12oslope of sieve table and 1400 RPM motor rotation speed. As bigger the particle densities of the compostsize as smaller the compost porosity. Mass loss was very low at all treatment combination with the valuearound 0.43-1.33%, so the sieving efficiency can be said very high.Keywords : vibration table type, slope of sieve table, motor speed rotation (RPM)Diterima: 24 Maret 2009; Disetujui: 16 September 2009
Mechanical Cocoa Podbreaker Utilization in Cocoa Handling to Improve Labor Efficiency Sukrisno Widyoto; Sri Mulato; Siswoyo Soekarno
Jurnal Keteknikan Pertanian Vol. 23 No. 2 (2009): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.023.2.%p

Abstract

One of initial step of primary cocoa processing, which determine the final quality and processing costwas pulping and pod breaker. Pod breaker is used to take out the cocoa bean and separate it from fruitcrust and placenta. Presently, cocoa pod breaking and bean separating from crust fruit are still conductedmanually and need many workers, as well. Indonesian Coffee and Cocoa Research Institute has designedand tested the cocoa pod breaker with double cylinder pod breaking mechanism and vibration table graderwith bean separating mechanism. Testing result showed that cocoa pod breaker had maximum workcapacity of 9000 cocoa pod per hour at motor rotation of 2,000-2,200 rpm. Highest percentage of crust chipincluded in bean was 1.1%, which was obtained at treatment input feeding opening of 80% and percentageof broken bean of 2.1%. While the lowest percentage of crust bean was 0.16% that is obtained at 20%input feeding opening with 1.7% of broken bean. Optimum work capacity of 4,950 cocoa pod per hour wasobtained at 50% input feeding opening with 0.22% crust chip included in bean, and 1.9% of broken beanpercentage.Keywords: cocoa, podbreaker, labor saving, production efficiencyDiterima: 3 Maret 2009; Disetujui: 16 Juli 2009
Urban Water Demand on Interbasin Water Resources Management System Sutoyo .; M. Yanuar J. Purwanto; Kato Tasuku; Goto Akira
Jurnal Keteknikan Pertanian Vol. 23 No. 2 (2009): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.023.2.%p

Abstract

Cidanau watershed in West of Java has 22,620 ha; it provides water for other basin in the largestindustrial city of Cilegon. To have future condition of water supply and demand for Cidanau and Cilegonregion model was developed expressing water supply from Cidanau built by tank model with some landuses related parameters. Water supply from Cidanau watershed depends on land use and water systemin the watershed. The rest of water flow to the downstream and be utilized to the Cilegon city by Cinangkapump station and calculated based on the water use of industrial and domestic. To maintain and increasethe availability of water, it is necessary to change some land uses into forest and install better water supplysystem with higher efficiencies. Water availability of runoff under existing condition as Scenario 1 is onlysufficient until before the year 2018. Scenario 2 with the land use to be change as 50% of the mixedagricultural dry land system into forest area and 50% garden into rice field, water availability will be sufficientuntil more than 2018. If Scenario 2 was used together with Scenario 3 having better efficient technology,water supply will be sufficient until more than the year 2025.Keywords : water supply, water demand, urban, interbasin, system dynamicsDiterima: 7 Januari 2009; Disetujui: 14 Juli 2009
Aplikasi Pengukuran Tahanan Tanah Terhadap Penekanan Plat Dalam Penentuan Parameter Desain Roda Besi Bersirip Wawan Hermawan
Jurnal Keteknikan Pertanian Vol. 23 No. 2 (2009): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.023.2.%p

Abstract

Plat penetration resistance on paddy soil was measured for determination of a lug wheel designparameters. A penetrometer equipped with plat tips (three plat sizes) was used for soil penetrationmeasurement at 30o, 45o, 60o, 75o and 90o penetratiron angle, at the depth of 2.5 cm, 5 cm, 7.5 cm, 10 cm,12.5 cm, 15 cm, 17.5 cm dan 20 cm. The results showed that using plat inclination angle of 45o, producedhighest horizontal and vertical soil reaction forces. In the paddy soil with a deeper mud layer condition,soil reaction forces tended to significantly increase at 0-10 cm depth and at 15-20 cm depth. The soilreaction force at 15-20 cm depth at 90o penetration angle was 60 kPa. For the location, the optimum lugwheel design parameters were: 14 lugs, 8 cm lug height, 35 cm lug width, and 85 cm wheel diameter. Fora shallower mud layer paddy soil, the soil resistance significantly increased at 6-20 cm depth. Penetrationresistance at 15-20 cm depth at 90o penetration angle was higher than 90 kPa. The optimum lug wheeldesign parameters were: 14 lugs, 10 cm lug height, 35 cm lug width, and 85 cm wheel diameter.Keywords : paddy soil, plat penetration, soil resistance, lug wheel, designDiterima: 25 Pebruari 2009; Disetujui: 12 Juni 2009
Kajian Pengaruh Iradiasi Sinar Gamma Terhadap Mortalitas Lalat Buah Dan Mutu Buah Mangga Gedong (Mangifera indica L) Selama Penyimpanan Cicih Sugianti; Rokhani Hasbullah; Yohanes Aris Purwanto; Dondy A Setyabudi
Jurnal Keteknikan Pertanian Vol. 26 No. 1 (2012): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.026.1.%p

Abstract

Abstract Gedong mango (Mangifera indica L.) is a tropical fruit that has the potential for export. But, the fruit of the mango is hosted by fruit fly. Fruit fly pests of mango export has been restrained by the very strict quarantine regulation. Therefore, it need a treatment that can annihilate the fruit fly. Irradiation technique has been one of the quarantine treatment that being attention, in order to disinfested pest attack. This research aims to study the effect of irradiation on mortality of fruit fly species Bactocera papayae (oriental fruitfly) on gedong mango, and to study the effect of irradiation dose and storage temperature on the physiology of the nature and quality of mangoes gedong. The results showed the mortality test results for B. papayae towards the dose 0.75 kGy reached until 100%. The next level was to test the mango fruit fly which considered infested naturally from the field. The dose given were 0:25 kGy, 0.5 kGy, 0.75 kGy and control. The results showed that in the control treatment founded that fruit flies growth from the day 9th to day 24th days of storage. 0.25 kGy dose and 0.5 kGy dose given were still found larva growth until the day 24th days of storage. From the test results of mortality at the dose of 0.75 kGy was able to annihilate fruit fly mortality reaches until 100%, but when applied to the fruit which has considered infested in the field were still found larvae growth until the 21st days of storage. Irradiation dose of 0.75 kGy can suppress the respiration rate, and weight losses during storage. With the irradiation dose can affected the quality of gedong mango such as vitamin C, total acid, Total Soluble Solid (TSS), and moisture content of gedong mango. Keywords: Gedong mango, Fruit flies, Irradiation, Quarantine treatment Abstrak Buah mangga gedong (Mangifera indica L.) merupakan salah satu produk hortikultura yang berpotensi untuk di ekspor. Tetapi buah mangga merupakan inang dari lalat buah. Serangan hama lalat buah menyebabkan ekspor buah mangga terhambat oleh aturan karantina yang sangat ketat. Oleh karena itu diperlukan suatu perlakuan yang dapat membunuh lalat buah tersebut. Teknik iradiasi sebagai salah satu perlakuan karantina mulai dilirik untuk tujuan disinfestasi serangga hama. Penelitian ini bertujuan untuk mempelajari pengaruh iradiasi terhadap mortalitas lalat buah (fruit fly) spesies Bactocera papayae (oriental fruitfly) pada buah mangga gedong, dan mempelajari pengaruh dosis iradiasi dan suhu penyimpanan terhadap sifat fisiologi dan mutu buah mangga gedong. Hasil penelitian menunjukkan untuk hasil uji mortalitas B. papayae terhadap dosis 0.75 kGy mencapai 100%. Tahapan selanjutnya adalah menguji buah mangga yang dianggap sudah terinfestasi lalat buah secara alami dari lapang. Besarnya dosis yang diberikan adalah 0.25 kGy, 0.5 kGy, 0.75 kGy dan kontrol. Hasil penelitian menunjukkan bahwa pada perlakuan kontrol ditemui lalat buah yang berkembang pada hari ke-9 sampai hari ke-24 penyimpanan. Pemberian dosis 0.25 kGy dan 0.5 kGy masih ditemukan larva yang berkembang hingga hari ke-24 penyimpanan. Dari hasil uji mortalitas pada dosis 0.75 kGy mampu membunuh lalat buah mencapai mortalitas 100%, namun ketika diterapkan pada buah yang dianggap sudah terinfestasi secara lapang masih ditemukan larva yang berkembang pada hari ke-21 penyimpanan. Pemberian dosis iradiasi sebesar 0.75 kGy dapat menekan laju respirasi, dan susut bobot selama penyimpanan. Dengan pemberian dosis iradiasi dapat mempengaruhi mutu buah mangga gedong seperti halnya kadar vitamin C, total asam, TPT, dan kadar air buah mangga gedong. Kata kunci : Mangga gedong, Lalat buah, Iradiasi, Perlakuan karantina.Diterima:09 November 2011;Disetujui: 13 Maret 2012 
Aspek Teknologi Dan Analisis Kelayakan Pengelolaan Serasah Tebu Pada Perkebunan Tebu Lahan Kering Iqbal .; Tineke Mandang; E. Namaken Sembiring; M.Achmad. Chozin
Jurnal Keteknikan Pertanian Vol. 26 No. 1 (2012): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.026.1.%p

Abstract

Abstrak PG Takalar adalah salah satu pabrik gula yang terdapat di Sulawesi Selatan dan memiliki potensi serasah tebu yang besar. Serasah tebu merupakan limbah yang kaya bahan organik yang bisa diolah menjadi pupuk organik berupa kompos. Penelitian ini bertujuan untuk mengetahui potensi dan kebutuhan alat dan mesin pada pengelolaan serasah tebu  pada PG Takalar .  Hasil penelitian menunjukkan bahwa PG Takalar  memiliki rata-rata potensi ketersediaan serasah tebu pada PG Takalar adalah 19.96% atau 20% dari setiap batang tanaman tebu. Dengan luas lahan 4186 ha, maka total potensi serasah tebu adalah 32860 ton/tahun. Hingga saat ini pengelolaan serasah tebu pada PG Takalar masih dilakukan secara konvensional dengan membakar serasah tebu tersebut di lahan perkebunan. Hasil penelitian menunjukkan bahwa luas lahan 4186 ha membutuhkan jumlah alat dan mesin untuk mendukung kegiatan mekanisasi pada pengelolaan serasah tebu adalah traktor 48 unit, trash rake 13 unit, trailer besar 31 unit, aplikator 4 unit, pencacah 18 unit, truk 3 unit, pengaduk 3 unit, dan  loader 3 unit Kata kunci : potensi, mekanisasi, pengelolaan, serasah tebu, tanaman tebu Abstract PG Takalar is one of sugar factory in South Sulawesi which has enormous potential of sugarcane litter. Sugarcane litter is organic waste that could be processed into organic fertilizer in form of compost. The objectives of this study were to determine the potential of sugarcane litter and to determine the machinery requirement for sugarcane litter management in PG Takalar. The result showed that the average availability potential of sugarcane litter in PG Takalar was 19.96% or 20% from each stem of sugarcane. In total, with 4186 ha area of PG Takalar, the potential of sugarcane litter was 32860 ton/year. Nowadays, in PG Takalar, the management of sugarcane litter is done conventionally by burning the litter in the field. It is also found from the study that to manage the sugarcane litter in 4186 ha area, the number of machinery needed to support the mechanization of sugarcane litter management were 48 units of tractor, 13 units of trash rake, 31 units of trailer, 4 units of applicator, 18 units of chopper, 3 units of truck, 3 units of composting turner, and 3 units of loader. Key words: potential, mechanization, management, sugarcane litter, sugarcane Diterima:14 Desember 2011; Disetujui:17 Maret 2013  
Optimasi Proses Penggorengan Hampa dan Penyimpanan Keripik Ikan Pepetek (Leiognathus sp.) Jati Sumarto Putro; I Wayan Budiastra; Usman Ahmad
Jurnal Keteknikan Pertanian Vol. 26 No. 1 (2012): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.026.1.%p

Abstract

Abtract Vacuum frying technology can be used as an alternative to improve the economic value of Pepetek (Leiognathus sp.) fish. The objectives of this study were to determine frying temperature and process time and to determine packaging material and shelf life of processed fish. Pepeteks were fried in temperature 80, 90, and 100 oC and process time 30, 45, and 60 minutes. Product quality of each treatments were analyzed including water content, fat content, hardness, and color. Organoleptic tests were carried out based on hedonic scale. The result showed that the temperature and exposure time significantly influenced the characteristic of the products. The best quality of pepetek chips was obtained at frying temperature 90oC for 45 minutes. Aluminium foil maintained the shelf life of pepetek chips better than Polypropilene. Keywords: vacuum frying,  pepetek chips,  shelf lifeAbtrak Teknologi penggorengan hampa dapat dipergunakan sebagai salah satu alternatif untuk meningkatkan nilai ekonomis dari ikan Pepetek (Leiognathus sp.). Tujuan dari penelitian ini adalah menentukan suhu dan waktu proses penggorengan serta menentukan jenis kemasan dan umur simpannya. Ikan pepetek digoreng pada suhu 80, 90, dan 100 oC dengan waktu 30, 45, dan 60 menit. Analisa kualitas produk pada tiap perlakuan meliputi kadar air, kadar lemak, kekerasan, dan warna. Uji organoleptik dilakukan berdasarkan skala hedonik. Hasil penelitian menunjukkan suhu dan waktu penggorengan berpengaruh nyata terhadap karakteristik produk. Kualitas keripik pepetek terbaik diperoleh pada suhu 90 oC dengan waktu 45 menit. Aluminium foil mampu mempertahankan umur simpan keripik pepetek lebih baik dibandingkan Polipropilen. Kata kunci: penggorengan hampa,  pepetek, umur simpanDiterima: 23 September 2011; Disetujui: 26 Januari 2012 
Pendugaan Kelas Mutu Berdasarkan Analisa Warna Dan Bentuk Biji Pala (Myristica fragrans houtt) Menggunakan Teknologi Pengolahan Citra Dan Jaringan Saraf Tiruan Latifa Dinar; Atris Suyantohadi; M. Affan Fajar Fallah
Jurnal Keteknikan Pertanian Vol. 26 No. 1 (2012): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.026.1.%p

Abstract

Abstract Factors affecting the quality of a product is one of them is the color and shape. Color and shape factor was used as a parameter the most attention in the selection of a product. Farmer level, the separation between the seed heads intact and damaged seeds have not done this led to lower prices nutmeg. Separation based on a whole seed and grain merchants and level damage done is done by direct observation. This separation process requires large amounts of labor, the cost is relatively large and long enough. Development of separation methods based on the nutmeg seed quality classes can be done with image processing technology in combination with artificial neural networks. The use of color and shape parameter in the selection of quality seeds in non-destructive nutmeg is needed to address the separation of nutmeg manually. This study aims to identify the quality of nutmeg by color and shape by digital image processing technology in combination with artificial neural networks. Color parameters of the model used consists of a color Red Green Blue, Hue Saturation Value color model, color model Lαb shape parameter consists of area, perimeter, roundness, compactness. Discriminant analysis based on parameters derived mean color saturation and a significant area as the network input. The results showed the mean saturation parameter and the area identified quality class ABCD head, and BWP Rimpel with 100% accuracy.Key words: nutmeg, quality, color, shape, discriminant analysis, neural networksAbstrak Faktor yang mempengaruhi kualitas sebuah produk salah satunya adalah warna dan bentuk. Faktor warna dan bentuk digunakan sebagai salah satu parameter yang paling diperhatikan dalam pemilihan sebuah produk. Ditingkat petani pala proses pemisahan antara biji utuh dan biji rusak belum dilakukan hal ini menyebabkan harga biji pala menjadi rendah. Pemisahan berdasarkan biji utuh dan biji rusak dilakukan ditingkat pedagang dan dilakukan dengan pengamatan langsung. Proses pemisahan ini membutuhkan tenaga kerja dalam jumlah banyak, biaya relatif besar dan waktu yang cukup lama. Pengembangan metode pemisahan biji pala berdasarkan kelas mutu dapat dilakukan dengan teknologi pengolahan citra yang dikombinasi dengan jaringan saraf tiruan. Penggunaan parameter warna dan bentuk dalam pemilihan mutu biji pala secara non-destruktif sangat dibutuhkan untuk mengatasi permasalahan pemisahan biji pala secara manual. Penelitian ini bertujuan untuk mengidentifikasi mutu pala  berdasarkan warna dan bentuk dengan teknologi pengolahan citra digital yang dikombinasi dengan jaringan saraf tiruan. Parameter warna yang digunakan terdiri dari model warna Red Green Blue, model warna Hue Saturation Value, model warna Lab parameter bentuk terdiri dari area, perimeter, roundness dan compactness. Berdasarkan analisis diskriminan diperoleh parameter warna mean saturation dan area yang signifikan sebagai input jaringan. Hasil penelitian menunjukan parameter mean saturation dan area berhasil mengidentifikasi kelas mutu pala ABCD, Rimpel dan BWP dengan akurasi 100%.Kata kunci : Biji pala, mutu, warna, bentuk, analisis diskriminan , jaringan saraf tiruanDiterima: 03 Januari 2012; Disetujui: 29 Maret 2012 

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