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Warji
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Department of Agricultural and Biological Engineering, Faculty of Agriculture Lampung University Jl. Soemantri Brojonegoro No. 1, Kedaton, Bandar Lampung, Lampung. 35145
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INDONESIA
Jurnal Agricultural Biosystem Engineering
Published by Universitas Lampung
ISSN : -     EISSN : 28304403     DOI : -
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology
This journal focuses on agriculture, biosystems and agricultural techniques. Covering power and agricultural machinery, agricultural cultivation, renewable energy, bioprocessing of agricultural products, environmental civil engineering, agricultural irrigation, robotics, automatic control in agriculture, design of agricultural machinery and tools, ergonomics in agriculture, and nanotechnology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 191 Documents
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Pemanfaatan Limbah Plastik Polyethylene Terephthalate (PET) dan Batok Kelapa Sebagai Bahan Baku Paving Block Utama, Komang Muliandre; Warji, Warji; Rahmawati, Winda; Suharyatun, Siti
Jurnal Agricultural Biosystem Engineering Vol 2, No 2 (2023): June 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i2.7480

Abstract

In 2021 the total amount of waste from various types of waste in Indonesia alone will reach 68,5 milion tons. Based on these data, as much as 17 percent, or around 11,6 milion tons, was contributed by jenna R.Jambeck from the University of Geogia in 2010, there were 275 tons of plastic waste produced worlwide. Around 4,8-12,7 milion tons of them are waste and pollute the sea. Indonesia itself has a coastal population of 187,2 ,milion which annually produces plastic waste. Around 0,48-1,29 milion tonnes of plastic waste is thought to have polluted the oceans. To overcome this, proper management of plastic waste is needed, one of which is by making paving blocks made from plastic waste. The study aims to determine the characteristics of thr various composition paving blocks according to the Dquality standard, which is used for garden pavements and other uses. In this study, aratio of 1:1:1 was used for plastic, sand, and oil. Then coconut shells were added to the treatment P1 as much as 3%, P2 as much as 6%, P3 as much as 9%, and P4 as much as 12% of the paving block volume paving block quality standardD has requirements, namely the maximum value obtained from the results of the compressive strength test is 10 Mpa and water absorption is 10%. From the result of the research that i did, it was found that the variations in the P treatment were closestto the quality standard D, with a compressive strength test value of 5,84 Mpa. Keywords : Coconut Shells, Paving Blocks, PET, Plastic, Waste.
Pengaruh Konsentrasi Gula dan Daging Buah terhadap Mutu Serbuk Instan Jus Alpukat (Persea americana Mill) Susanti, Afryani; Tamrin, Tamrin; Kuncoro, Sapto; Warji, Warji
Jurnal Agricultural Biosystem Engineering Vol 1, No 4 (2022): Desember 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v1i4.6457

Abstract

Indonesia is a tropical country rich in plant varieties. Plants thrive and produce is used to a food source, such as the avocado, which produces fruit that be consumed. One way to maintain the quality, quantity and continuity of horticultural products that must be maintained for a relatively long period of time is to use post-harvest technology assistance so that the condition of fruit and vegetables can be maintained and does not affect changes in prices and consumer demand. The aim of this study is to study the effect of sugar, water and avocado pulp concentrations on the quality of avocado juice powder. The results showed that the yield value was 48%, the avocado juice powder density was 0.65 g/mL. The organoleptic test, which was performed by color, had criteria close to the same, the aroma had criteria like that, the taste was closer to a little sweet. Keywords: Avocado, Post-Harvest Technology, Avocado Powder.
Cover Vol 2 No 1 March 2023 Warji Warji
Jurnal Agricultural Biosystem Engineering Vol 2, No 1 (2023): March 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jurnal abe.v2i1.7782

Abstract

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Pengaruh Fermentasi Biji Kakao (Theobroma cacao L.) Terhadap Karakteristik Pengeringan Ansori, Ardy Setya; Waluyo, Sri; Haryanto, Agus; Tamrin, Tamrin
Jurnal Agricultural Biosystem Engineering Vol 1, No 1 (2022): Maret 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jurnal abe.v1i1.5800

Abstract

This research aims to analyze the effect of fermented cocoa beans on drying characteristics.  This research was conducted to examine the drying characteristics of unfermented cocoa beans and fermented cocoa beans.  Fermented cocoa was resulted from two difference levels of yeast as fermentation starter: 3 grams of yeast / 5 kilograms of cocoa and 5 grams of yeast / 5 kilograms of cocoa. As a control, unfermented cocoa beans were also done.  The fermentation chambers were designed with variations in the number of 10, 20 and 30 holes and 12 mm diameters.  The drying cocoa beans were set at a fixed temperature (60 ° C) and drying air velocity of 3.0 km / hour and the power used was 11.34 watts. The results showed that the use of yeast has significant effect on the quality of the dryed cocoa beans using LSD test at  a value of 5%.  Fermented cocoa using 3 grams yeast as starter and 10-holes chamber showed a better drying performances (moisture content and shrinkage).
Pembuatan Tepung Bengkuang sebagai Bahan Baku Makanan Purwanti Retno Sari; Tamrin Tamrin; Winda Rahmawati; R. A. Bustomi Rosadi
Jurnal Agricultural Biosystem Engineering Vol 1, No 2 (2022): Juni 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jurnal abe.v1i2.6007

Abstract

Processing of bengkuangin other products is flour which has many uses. Fresh bengkuang contains 2.1 g - 10.7 g starch and 1 g - 2.2 g protein. The purpose of this study is to eliminate the moisture content of the material by drying and turning it into flour as a raw material for food mixtures, so that its shelf life is longer. This research will have been carried out in March 2019 until July 2019 in the Bioprocessing and Post Harvest Laboratory, Water and Land Resources Laboratory, Department of Agricultural Engineering, Faculty of Agriculture, University of Lampung, Bandar Lampung, Laboratory of Agricultural Product Processing, Pati Laboratory and Carbohydrates, Department of Agricultural Product Technology, Faculty of Agriculture, University of Lampung. This research method with the experimental method. Temperature treatment and material thickness. The analysis carried out was a test of vitamin C, moisture content, aroma, color. The results of this study are the analysis of vitamin C, the higher the temperature, the vitamin C content will be damaged or lost due to evaporation. The water content of bengkuang slices has decreased, namely at 0 minutes 85% water content and after undergoing the process of pengovenan to 10%. The aroma of bengkuang flour is preferred by panelists at 50 ° C and 70 ° C, while at 90 ° C the panelists are less favored. The colors carried out by the statistical test had no effect between temperature on color and thickness had no effect on color.
Unjuk Kerja Mesin Pemanen Padi Combine Harvester Merek Crown Tipe CCH-2000 Star di Kecamatan Sragi, Lampung Selatan Nugraha, Danang Rezki; Asmara, Sandi; Oktafri, Oktafri; Lanya, Budianto
Jurnal Agricultural Biosystem Engineering Vol 1, No 4 (2022): Desember 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v1i4.6554

Abstract

Almost all regions in Indonesia do not have a large availability of labor, therefore mechanical devices are needed to replace them, especially in terms of harvesting shortages of labor can be replaced by mechanical devices such as combine harvester rice harvesting machines. Rice harvesting machine Combine Harvester type ridding brand Crown Type CCH-2000 Star is an agricultural machine that functions to harvest rice through the stages of linking, directing, cutting, bringing the results of pieces, shedding, and cleaning the grain which is done in an integrated manner in one process. The purpose of this study was to find out the performance of the Combine Harvester machine for rice harvesting. This research consists of three main stages, namely machine and land preparation, machine performance testing and data analysis. The parameters observed were work speed, theoretical field capacity, effective field capacity, field efficiency, grain harvest losses, and fuel consumption carried out in May in Sragi District, South Lampung using Combine Harvester machines. The results showed that the engine working speed was 3.38 km/h while the tests carried out by the Center for Agricultural Mechanization Development were 3.90 km/hr. Effective field capacity of 0.77 ha/hour, theoretical field capacity of 0.33 ha/hour, and field efficiency of 42.85%. The percentage of harvest shrinkage in an area of 1 hectare is 0.9% better than the loss with conventional harvesting of up to 18.75%. Fuel consumption when harvesting with an area of 1 ha with 2100 rpm consumes fuel at 16.8 liters/ha. Keywords: Combine Harvester, Machine Performance, Previous Research, Rice.
Preface 2 (1) March 2023 Warji, Warji
Jurnal Agricultural Biosystem Engineering Vol 2, No 1 (2023): March 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i1.7828

Abstract

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Uji Kinerja Mesin Pencacah Tipe GX 160 untuk Pencacahan Tongkol jagung dan Ampas Tebu Muhammad Pijar; Siti Suharyatun; Mareli Telaumbanua; Agus Haryanto
Jurnal Agricultural Biosystem Engineering Vol 1, No 1 (2022): Maret 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jurnal abe.v1i1.5796

Abstract

Agricultural waste is widely used as feed or a mixture of feed for livestock. Before use, agricultural waste must be chopped so that livestock can easily eat it. One of the agricultural waste chopping machines is a multipurpose type chopper. The aim of the research was to test the performance of a multipurpose chopper machine for chopping corn cobs and bagasse. This study used a completely randomized factorial design, consisting of 2 factors, namely material (corncob and sugarcane bagasse) and and the rotational speed (RPM) which consists of 600, 800, 1000 and 1360. Each treatment combination was repeated 3 times. Parameters observed were working capacity, weight loss, fuel consumption, specific fuel consumption, and fineness modulus. The results of this study indicate that the work capacity of the bagasse higher than corncob. Working capacity at speeds of 600 RPM to 1000 RPM will increase with increasing speed. Materials and RPM not effect to material loss. fuel consumption and specific fuel consumption of bagasse (0,859 lt/h; 0,074 lt/kg) are higher than corn cobs (0,754 lt/h; 0,170 lt/kg. Fineness modulus of corn cobs is 2.504% and sugarcane bagasse is 2.373%.
Analisis Kesesuaian Lahan untuk Tanaman Jagung Menggunakan Citra Landsat 8 OLI/TIRS dan Sistem Informasi Geografis di Kabupaten Lampung Selatan Ridwan, Ridwan; Amin, Muhammad; Asmara, Sandi; Andini, Tiara
Jurnal Agricultural Biosystem Engineering Vol 2, No 2 (2023): June 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i2.7500

Abstract

Analysis of land suitability for corn plants is needed to increase production in the development of the agricultural sector. South Lampung Regency is the largest corn producer in Lampung Province with production reaching 598,032 tonnes in 2016. The aim of the study was to determine the potential for land development for corn plants using Landsat 8 OLI/TIRS image interpretation and Geographic Information Systems in South Lampung Regency by assessing the quality of the land and to determine the level of land suitability conditions for corn crops based on planting seasons 1, 2 and 3 in South Lampung Regency. The analysis is carried out by the matching method or by giving a class assessment to each of the required parameters. The results show that the 1st planting season has the greatest level of land suitability compared to the other growing seasons, 73% very suitable to suitable. Meanwhile, Planting Season 2 had the lowest suitability level of 60% due to less stable temperatures due to the transition from rainy to dry seasons. And Planting Season 3 has a moderate suitability level of 66%, because this season the temperature has stabilized for cultivating corn. Keywords: Corn, Geographic Information System, Class Assessment, Land Suitability, Landsat 8 OLI/TIRS Imagery, Matching.
Pengaruh Kombinasi Media Tanam dan Debit Pacar Irigasi Tetes Terhadap Pertumbuhan dan Produksi Sawi Megi Saputra; Ridwan Ridwan; Elhamida Rezkia Amien; Muhammad Amin
Jurnal Agricultural Biosystem Engineering Vol 1, No 1 (2022): Maret 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jurnal abe.v1i1.5548

Abstract

To meet the increasing needs of consumers, both in terms of quality and quantity, it is necessary to increase the production of mustard plants through fertilization and irrigation. One of the efforts that can be done to overcome the limited availability of water in the land is to use water-saving irrigation technology. Utilization of sandy land such as coastal areas is one solution to overcome the limitations of agricultural land. However, coastal sandy land cannot be used optimally by the community around the coast for agricultural activities, because so far the beach sand land is considered unfit as a planting medium. That to maximize the use of sand as a vegetable growing medium, additional fertilizer is needed. The method used in this study was a completely randomized design (RAL) with two factors, namely the first factor (M) a combination of planting media with 3 combinations, namely K1, M1, M2 and M3. While the second factor (D) drip irrigation discharge with 3 discharges, namely D1 (100 ml/day), D2 (150 ml/day) and D3 (200 ml/day). Each treatment was repeated 3 times. The combination of planting media affects the growth and production of mustard (Brassica juncea L.) plants with the best combination of planting media, namely M2 (sand above and compost below). Discharge drip irrigation affects the growth and production of mustard (Brassica juncea L.) with the best yield of D1 (100 ml/day). The interaction between the combination of planting media and drip irrigation discharge on the growth and production of the best mustard (Brassica juncea L.) plant is M2D1.

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