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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.

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Articles 623 Documents

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Pengaruh Pengolahan Tanah dan Penambahan Jerami terhadap Kebutuhan Air Penyiapan Lahan Padi Sawah Delvi Yanti; Tineke Mandang; Mohamad Yanuar Jawardi Purwanto; Mohamad Solahudin
Jurnal Keteknikan Pertanian Vol. 7 No. 3 (2019): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Praktik manajemen seperti pengolahan tanah, mulsa, aplikasi pupuk dan pemupukan dilakukan untuk meningkatkan lingkungan fisik tanah dengan tujuan akhir untuk meningkatkan produktivitas tanaman. Tujuan penelitian ini adalah untuk mengetahui pengaruh pengolahan tanah dan penambahan jerami terhadap kebutuhan air penyiapan lahan padi sawah. Penelitian terdiri dari dua faktor perlakuan, yaitu pengolahan tanah dan penambahan jerami yang masing-masing dilakukan 3 kali. Metode pengolahan tanah yaitu pembajakan-pelumpuran dilakukan dengan dua tahap atau ada jeda selama 15 hari (PT1) dan pembajakan-pelumpuran dilakukan dalam satu tahap kegiatan atau tanpa ada jeda (PT2), sedangkan untuk perlakukan jerami, ada yang tanpa jerami (J0) dan menggunakan jerami (J1). Pengamatan dilakukan terhadap sifat fisik tanah dengan cara pengambilan contoh tanah utuh sebelum pengolahan tanah (SPT) dan setelah tanah diolah, perhitungan terhadap kebutuhan air penyiapan lahan dilakukan untuk masing-masing perlakuan. Untuk mengethaui pengaruh perlakuan terhadap sifat fisik tanah dilakukan dengan analisis statistik yaitu degan paried sample t-test. Hasil percobaan yaitu pengolahan tanah dan penambahan jerami berpengaruh terhadap sifat fisik tanah. Pengolahan tanah dua tahap dan penambahan jerami merupakan perlakuan yang membutuhkan air paling banyak dalam penyiapan lahan yaitu sebesar 196,95 mm, tetapi merupakan perlakuan terbaik dengan air tersedia sebesar 16 %.

Analisis Kebisingan Dan Getaran Mekanis Pada Mesin Saccof Harvester (Studi Kasus Di Kebun Tebu Cimahpar, Bogor, Jawa Barat) Sunu Ariastin Kurniawati; Mad Yamin
Jurnal Keteknikan Pertanian Vol. 27 No. 1 (2013): Jurnal Keteknikan Pertanian
Publisher : PERTETA

AbstractDevelopment in agricultural mechanization is characterized by the increasing use of agricultural machinery and equipments. It can be seen from sugarcane harvesting process which machinery is used instead of manual equipment. In term of using the harvesting machinery operated by human, the principle of ergonomic should be applied to fulfill the goal of work productivity and ensure occupational health and safety. It is because, during its operation, there will be a potential hazard, caused by noise and vibration, to workers and the environment. This research was aimed to analyze the noise and vibration level of Saccof Harvester during its employment. It was expected that the time limit for the optimal use of the machine can be determined based on the available standard. Furthermore, the method to reduce the negative impacts of noise and vibration can also be identified. According to the research, it was revealed that the noise and vibration level which was received by operator exceeded the ambient level. Consequently, there is necessity to control of noise and vibration on both the source (harvesting machinery) and the receiver (operator). Keywords: Saccof harvester machine, noise, mechanical vibrationAbstrak Perkembangan mekanisasi pertanian dapat dilihat dari peningkatan kebutuhan akan alat-alat mekanik untuk meningkatkan dan mempermudah hasil produksi pertanian. Misalnya adalah dalam proses pemanenan tebu secara mekanis menggunakan mesin pemanen tebu, seperti sugarcane harvester sebagai peralihan dari pemanenan tebu secara manual menggunakan golok atau sabit. Suatu pekerjaan yang dilakukan oleh manusia haruslah menerapkan ergonomi dalam upaya menciptakan kenyamanan, kesehatan, keselamatan, dan produktivitas yang optimal. Penelitian ini bertujuan untuk menganalisa tingkat kebisingan dan getaran mekanis pada mesin pemanen tebu serta mengetahui sebaran tingkat kebisingan yang ditimbulkannya. Semakin tinggi tingkat kecepatan putar motor maka semakin tinggi tingkat kebisingannya dan semakin jauh jarak dari mesin maka tingkat kebisingan akan semakin berkurang. Pengendalian terhadap kebisingan dan getaran serta faktor lain yang dapat meningkatkan keselamatan kerja, dapat dilakukan dengan berbagai cara: pengendalian pada sumbernya atau pengendalian pada penerima atau operator. Kata Kunci: alat pemanen tebu, analisa kebisingan dan getaran mekanik. Diterima: 19 Oktober 2012; Disetujui: 21 Februari 2013

Kombinasi Perlakuan Hot Water Treatment dan CaCl2 untuk Mencegah Kerusakan Fisiologis Buah Belimbing (Averrhoa carambola L.) Siti Trinurasih; Sutrisno .
Jurnal Keteknikan Pertanian Vol. 27 No. 1 (2013): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Abstract Demand and productivity of starfruit have been increased every year. With that potency, starfruit could determined as national fruit commodityto be exported. One of the obstacle that encountered by fruit export from Indonesia was the high attack of pest or fruit fly which caused many fruit do not qualify in the quarantine process. Moreover, the problem of postharvest handling should be more focused because the starfruit was perishable commodity. In this research, postharvest handling was combination of hot water treatment and soaking in CaCl2 solution. This research used starfruit variety of Dewi with ripeness index of level 4. Samples treated with hot water treatment (HWT) with three levels (35oC for 60’; 45oC for 40’ and 55oC for 15’). After HWT, samples treated with soaking in CaCl2 solution at three level treatments (60’; 40’; dan 20’). The results showed that HWT was very significantly affected on overall starfruit quality during storage, whereas treatment of soaking in CaCl2 solution wasn’t significantly affected on starfruit quality. Meanwhile, combination of HWT and CaCl2 were significantly affected to respiration rate, weight shrinkage, brightness level, yellow-blue pulp level, and panelists acceptance toward flavor and aroma. Treatment of HWT 55ºC for 15 minutes, softening of fruit pulp cannot be avoided because of the heat injury. Combination of HWT 45ºC for 40 minutes and 4% CaCl2 for 60 minutes can maintain quality till 24th day panelist acceptance test. Keywords : starfruit, hot water treatment, CaCl2, panelist, fungi Abstrak Permintaan dan produksivitas buah belimbing telah menunjukkan kenaikan dari tahun ke tahun, dimana dengan potensi ini, buah belimbing bisa menjadi buah nasional andalan ekspor. Salah satu kelemahan dari buah eksport Indonesia adalah tingginya serangan penyakit dan lalat buah yang menyebabkan beberapa buah tidak bisa lolos dari proses pemeriksaan karantina. Lebih dari itu, masalah penanganan pasca panen harus lebih fokus karena buah belimbing termasuk komoditas yang mudah rusak. Pada penelitian ini, penanganan pasca panen dengan kombinasi perlakuan pecelupan air pana dan perendaman dengan larutan CaCl2. Penelitian ini menggunkan buah belimbing varietas Dewi dengan indeks kematangan 4. Sample diperlakukan dengan air panas (HWT) dengan 3 tingkat suhu dan lama perendaman (35oC selama 60’; 45oC selama 40’ dan 55oC selama 15’), Setelah HWT, sample kemudian direndam dalam larutan CaCl2 dengan 3 tingkat lama pencelupan (60’; 40’; dan 20’). Hasil penelitian menunjukkan bahwa perlakuan HWT sangat berpengaruh pada seluruh parameter mutu buah selama penyimpanan, namun perlakuan pencelupan dengan larutan CaCl2 tidak berpengaruh pada mutu produk. Kombinasi perluan keduanya berpengaruh terhadap parameter kecepatan respirasi, susut bobot, tingkat kecerahan kulit, level warna kuning-biru daging buah, serta tingkat penerimaan panelis terhadap bau dan aroma. Pada perlakuan HWT dengan suhu 55ºC selama 15 menit,menyebabkan pelunakan daging buah akibat dari ‘heat injury’. Kombinasi perlakuan HWT 45ºC selama 40 menit dan 4% CaCl2 selama 60 menitsdapat mempertahankan mutu buah sampai hari ke-24 berdasarkan penerimaan panelis. Kata kunci :buah belimbing, hot water treatment, larutan CaCl2, heat injury, perishable Diterima:4 Desember 2012; Disetujui:28 Maret 2013

Simulasi Transportasi dengan Pengemasan untuk Cabai Merah Keriting Segar Sandro Pangidoan; Sutrisno .; Aris Purwanto
Jurnal Keteknikan Pertanian Vol. 27 No. 1 (2013): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Abstract Red chili is one of agricultural commodity which is needed by people and has high economic value.Because it’s not long-lasting product and always needed in fresh product, the appropriate packaging method and good transportation become a postharvest critical point for maintain the freshness of product in the time of distribution until on the costumer hand. The objective of this research was to do the transport simulation with bulk packaging for fresh curly red chili and to observe the effect of simulation and packaging to weight losses, mechanical losses, scattered losses, hardness, color and water content. Packaging method was performed in 2 kind of package which are cardboard box and plastic crate. Transport simulation was performed with 2 treatments which are 2.9 Hz frequency and 3.2 cm amplitude during 228 minutes and 3.9 Hz frequency and 4.2 cm amplitude during 173 minutes. This research compared the ability of the packages (plastic crate and carton box) to maintain the quality of curly red chili which is viewed in some aspects i.e. weight losses, mechanical loses, scattered losses, hardness, color and water content. Keywords: red chili, postharvest, packaging, transport simulation Abstrak Cabai merah adalah salah satu komoditas pertanian yang dibutuhkan masyarakat dan bernilai ekonomis yang tinggi. Karena tidak tahan lama dan selalu dibutuhkan dalam bentuk segar, cara pengemasan yang tepat serta transportasi yang baik menjadi titik kritis pascapanen untuk menjaga kesegaran produk pada saat didistribusikan sampai didapati oleh konsumen. Tujuan penelitian ini adalah melakukan simulasi transportasi dengan pengemasan curah pada cabai merah keriting segar dan melihat pengaruh kondisi dan lama getar serta pengemasan terhadap susut bobot, susut mekanis, susut tercecer, kekerasan, derajat warna dan kadar air pada cabai merah keriting segar. Pengemasan dilakukan pada 2 jenis kemasan yaitu kemasan karton (kardus) dan keranjang plastik. Simulasi transportasi cabai dilakukan dengan 2 perlakuan yaitu frekuensi 2.9 Hz dan amplitudo 3.2 cm selama 228 menit dan frekuensi 3.9 Hz dan amplitudo 4.2 cm selama 173 menit. Penelitian ini membandingkan kemampuan kedua kemasan (keranjang plastik dan kardus) untuk mempertahankan kualitas cabai keriting segar. Susut bobot, mekanis dan tercecer dialami pada kedua kemasan tetapi yang tertinggi pada keranjang plastik. Perubahan kekerasan dialami cabai pada kedua kemasan setelah simulasi transportasi. Perubahan warna terlihat dari penurunan nilai L, a, b pada cabai setelah disimulasikan. Kata kunci: cabai merah, pascapanen, pengemasan, simulasi transportasi Diterima: 7 Desember 2012; Disetujui: 25 Maret 2013

Pengaruh Lama Perendaman Terhadap Mutu Beras Pratanak pada Padi Varietas IR 64 Rokhani Hasbullah; Pramita Riskia D. P
Jurnal Keteknikan Pertanian Vol. 27 No. 1 (2013): Jurnal Keteknikan Pertanian
Publisher : PERTETA

ABSTRAK Pembuatan beras pratanak meliputi pembersihan, perendaman, pengukusan, pengeringan, dan penggilingan. Proses pratanak dimaksudkan untuk meningkatkan rendemen giling, menekan kehilangan nilai gizi dan menurunkan indeks glikemik sehingga cocok dikonsumsi oleh penderita Diabetes Melitus. Tujuan dari penelitian ini adalah (1) Mengkaji pengaruh lama perendaman terhadap mutu fisik dan kimia beras pratanak, (2) Menentukan lama perendaman yang optimum untuk proses pratanak dan pengaruhnya terhadap mutu beras. Penelitian ini menggunakan gabah varietas IR 64 dengan perlakuan lama perendaman 4, 6, dan 8 jam. Hasil penelitian menunjukkan bahwa proses pratanak dapat meningkatan rendemen giling dan dapat menurunkan kadar amilosa. Profil gelatinisasi beras pratanak menunjukkan bahwa semakin lama perendaman dalam proses pratanak dapat meningkatkan viskositas trough, viskositas akhir, waktu puncak, dan suhu gelatinisasi serta menurunkan viskositas puncak, viskositas breakdown, dan viskositas setback. Lama perendaman tidak berpengaruh secara signifikan terhadap komposisi kimia yang terkandung dalam beras pratanak. Lama perendaman yang terbaik adalah selama 4 jam pada suhu air 60 oC. Kata kunci: gabah, beras pratanak, indeks glikemik, amilosa, profil gelatinisasi ABSTRACT Processing of parboiled rice consists of paddy cleaning, soaking, steaming, drying, and milling. Parboiled process of paddy is intended to increase the milling yield, to prevent nutrition losses and to decrease glychemic index. The purpose of this research is (1) To assess the impact of soaking time on the physical and chemical quality of parboiling rice, (2) To determine the optimum soaking time for parboiling rice and it’s impact on rice quality. This research is using IR 64 variant with soaking duration treatment about 4, 6, and 8 hours. The result showed that parboiled process increase the milling yield and reduce the rice amylose content. Gelatinization profile of the parboiled rice showed that the longer of soaking duration increase the trough viscosity, final viscosity, peak time viscosity, and pasting temperatures and also decreased the peak viscosity, breakdown viscosity, and setback viscosity. The treatment of soaking duration did not significantly affect the chemical contents of parboiled rice. The exposure time of paddy soaking that suggested is 4 hours in dip water at temperature of 60 oC. Keywords : paddy, parboiled rice, glychemic index, amylose, gelatinization profileDiterima: 10 Desember 2012 ; Disetujui: 28 Maret 2013

Analisis Sistem Proses Pindah Massa pada Ekstraksi Secara Mekanik Minyak Kedelai (Glycine Max Oil) Bambang Dwi Argo
Jurnal Keteknikan Pertanian Vol. 24 No. 2 (2010): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Abstract Soybean, a vegetable protein-rich commodity needed to improve public nutrition, safe to consume, and the price affordable. The purpose of this research are to: 1. determine the effect of pressure and time of extraction the mass balance, yield and level of soybean oil extraction, 2. Gain mass transfer coefficient value in soybean oil extraction process, and 3. analyze the mechanism of mass changes during the extraction process soybean oil is mechanically using hydraulic pressing. Oil obtained results indicate an increase due to the influence of a given amount of pressure and length of time silenced. The greater the pressure exerted, the more oil produced this shows soybean oil can come out with a maximum at the greatest pressure of 200 kg/cm2. Mass transfer coefficient in soybean oil extraction process at a pressure of 100 kg/cm2 5.57x10-5 gcm3/cm seconds. In the pressure is 200 kg/cm2 15.39 x 10-5g cm3/cm seconds. Keywords: mass transfer, mechanical extraction, soybean oil Diterima: 12 Maret 2010; Disetujui: 7 September 2010

Evaluasi Kinerja Tarik Taktor Tangan Dengan Bahan Bakar Minyak Kelapa Murni Desrial .; Yohanes Aris Purwanto; Fandra Wiratama
Jurnal Keteknikan Pertanian Vol. 24 No. 1 (2010): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Abstract Past research shown that coconut oil can be used directly in Diesel engine by adding a heating element in the fuel delivery system. This study aims to evaluate the performance of a hand tractor pull using pure coconut oil fuel. The Diesel engine of the tractor was equipped with a fuel heater installed on the mufler. Traction performance parameters tested were wheel slippage, drawbar pull, forward speed and drawbar power on the path of concrete and soil. Besides, the tractor was also tested on plowing using a moldboard plow. The test results on the concrete track showed that the maximum drawbar pull was 1.21 kN generated at a speed of 0.92 m/s, with a maximum drawbar power of 1.21 kW at the wheel slip of 10.87%. While the drawbar pull on the soil track was 1.37 kN at a speed of 0.79 m/s, with a maximum value of 0.71 kW drawbar power when wheels slip 22.25%. The results of tillage test showed that field efficiency was 84.66%, which was not much different from the test result using Diesel fuel. Keywords: fuel heater, Diesel engine, pure coconut oil, drawbar pull performance Diterima: 8 Desember 2009; Disetujui: 16 Maret 2010

Studi Konflik Air Irigasi dan Alternatif Penyelesaiannya di Daerah Irigasi Kelingi Sumatera Selatan Edward Saleh
Jurnal Keteknikan Pertanian Vol. 24 No. 1 (2010): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.024.1.%p

Abstract Study of dispute management related to irrigation water use for agriculture and fishery at Kelingi irrigation area was conducted to determine the irrigation water management solution which is mutually beneficial between rice production and fish production of swift water pond. Kelingi Irrigation Area which is formerly planned for rice cultivation was built during the Dutch colonial era. Former water management pattern and its instruments were incapable to balance the rapid development found in the field which results in interest dispute among the water users. The study methods were consisted of PRA, interview by using questioner aids, and discussion/round table. Dispute management of irrigation water use for agriculture and fishery can be approached by using collaboration system in which all parties gain the advantage because this system is a truly and permanent solution. The recommendations from this study were as follows: 1) irrigation system improvement and increased service capability of the existing irrigation network, 2) balance planting pattern regulation and rice planting schedule as well as cultivation of fish and swift water pond fish at irrigation area level which was decided by using Decree Letter of Governor because this area was classified as district/city crossed irrigation, 3) farmers group empowerment and P3A/GP3A by related councils and institutions, 4) government provision for communication and collaboration between farmers and owner of swift water fish pond through justice and strict approaches in applying the existed regulations, 5) issuing of Local Irrigation Regulation at Province and District/City levels which consisted of swift water fish pond and irrigation water allotments, and 6) law enforcement in permit, supervision and action for every transgression by water users based on Local Regulation and the existed legislation.Keywords: irrigation water dispute, rice, swift water pondDiterima: 7 September 2009; Disetujui: 18 Januari 2010

Perlakuan Uap Panas (Vapor Heat Treatment) untuk Disinfestasi Lalat Buah dan Mempertahankan Mutu Buah Belimbing (Averrhoa carambola L.) Eti Rohaeti; Rizal Syarief; Rokhani Hasbullah
Jurnal Keteknikan Pertanian Vol. 24 No. 1 (2010): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.024.1.%p

AbstractThe objectives of this research were to study mortality of carambola fruit fly (B. carambolae D & H) and to study responses of VHT on quality of carambola (A. carambola L). Fruit fly mortality due to heat has been investigated by immersing fruit fly eggs into hot water at temperatures of 40, 43, 46 dan 49oC for 30 minutes and then at temperature of 46.5oC for 0, 5, 10, 15, 20, 25, 30 minutes. Star fruit were treated at temperature of 46.5oC for 5, 15, 30 minutes and then stored in temperatures of 5, 15oC and room temperature (28-30 oC). The result show that mortality has been achieved 100% at temperature more than 43.0oC for 30 minutes and at temperature 46.0oC for more than 15 minutes. VHT had significant influences to decrease the fruit respiration rates, chilling injury, antraknose, to increase the weight loss, color, and soluble solid content. However, there were no significant change in the hardness, water content, vitamin C and organoleptic test. VHT at temperature 46.5oC for 20 up to 30 minutes were effective to kill fruit flies inside carambola and VHT combined by storing in temperature of 15oC were able to maintain carambola quality during storage.Keywords: vapor heat treatment, fruit fly, B. carambolae, carambola, disinfestationDiterima: 1 Februari 2010; Disetujui: 19 April 2010

Effect of Heat Shock Treatment and Aloe Vera Coating on Chilling Injury Symptom in Tomato (Lycoperiscon asculantum Mill) Sutrisno .; Yohanes Aris Purwanto; Ismi M.Idris; Olly S. Hutabarat; Sugiyono .
Jurnal Keteknikan Pertanian Vol. 24 No. 1 (2010): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.024.1.%p

AbstractThis research was undertaken to determine the effect of length in heat shock and edible coating as prestorage treatment on Chilling Injury (CI) symptom reflected by ion leakage induced and quality properties in tomato (Lycopersicon asculantum Mill.). Heat Shock Treatment (HST) was conducted at three different levels of length, which were, 20, 40 and 60 min. Edible coating was conducted using aloe vera gel. The result showed that HST and Aloe Vera Coating (AVC) were more effective to reduce CI symptom at lower chilling storage. Prolong exposure to heated water may delay climacteric peak. The length of heat shock; AVC treatment and low temperature storage significantly affected the tomato quality parameter but not significantly different for each treatment except weight loss. HST for 20 min at ambient temperature was significantly different to other treatment.Keywords: ion leakage, chilling injury, climacteric, shelf-lifeDiterima: 2 Desember 2009; Disetujui: 22 Maret 2010

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Location
Kota bogor,

Jawa barat

INDONESIA