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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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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 12 Documents
 1   2 
Search results for , issue "Vol 3, No 2 (2024): June 2024" : 12 Documents clear
Studi Analisis Kelayakan Ekonomi Mesin Perajang Gedebog Pisang Dengan Variasi Jumlah Pekerja Asmara, Sandi; Novita, Dwi Dian; Suharyatun, Siti; Abdilah, Rois
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9152

Abstract

Banana stem waste can be used as raw material for animal feed by reducing the size so that it is easy to consume. The Banana Stem Chopper Machine type TEP-2 can be used to chop banana stems into pieces measuring 2-5 cm. In this research, machine testing was carried out with treatment of 1, 2 and 3 workers, then chopping analysis, break even point analysis and feasibility analysis were carried out. This research aims to determine the economic feasibility of the Banana Stem Chopper Machine type TEP-2 with how many workers will gain maximum profit. The analysis results show that chopping with 1, 2 and 3 workers is suitable for economic purposes. The best performance occurred in chopping with 3 workers which resulted in a work capacity of 1382.74 kg/hour, basic chopping costs of IDR 260.84/kg and a break-even point of 10,002.60 kg/year. Productive working hours are 6 hours per day and the price for chopped banana stems is IDR 500/kg, the potential profit is IDR 309,531,548.00/year.Keywords : Banana stem waste, chopping machine, economic analysis, feasibility analysis
Analisis Spasial Indeks Kekeringan di Daerah Bandar Lampung Sigiro, Japen Husoran; Amin, M.; Ridwan, Ridwan; Rosadi, Bustomi
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9552

Abstract

Drought is a routine case of natural disasters. Drought in a region can disrupt human activities. Drought occurs due to reduced rainfall, temperatures that are too high than normal, low soil moisture and insufficient surface water supply. The aim of this research is to obtain the distribution of rain and analyze the drought value index in the Bandar Lampung area. The cause of this drought is a step to predict the drought that will occur by analyzing the rain and temperature. This analysis is done by calculating the water balance and determining the drought level using drought index table by thorthwaite mather. The drought analysis is conducted in Bandar Lampung area, where the Bandar Lampung area is the capital city of Lampung province with an area of ± 160 km2 with an average population density of 8,316 people/km2. From the Drought Value Index, the level of drought in the Bandar Lampung area is predominantly low and the level of drought is moderate in the Peace District area. Keywords:  Drought, Spatial Analysis, Water Balance
Desain dan Analisis Kinerja Air Blower Kipas Sentrifugal untuk Pengendalian Gulma Pramuhadi, Gatot; Ayu, Zavira Mega; Sidik, Ahmad Jaelani
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9245

Abstract

This study aims to design and analyze the performance of the centrifugal fan water for weed control and compare it with the performance of air blowers that use axial fans. This study consists of three stages, namely design and manufacturing, testing in the laboratory, as well as testing for controlling dry land weeds in the field. There are 6 treatments tested, namely a combination of two types of fans (axial and centrifugal) and three types of cone nosel (4 holes, 5 holes, and 6 holes). The results showed that the centrifugal fan air blower displays good performance according to functional design and structural design.  Centrifugal fan blower performance is more effective than axial fan air blower because centrifugal fan blower is able to produce smaller (smoother) droplet diameters and larger droplet density (more tight) so that it has a greater herbiciding ability than axial fan air blower water .  Centrifugal fan blower can produce a droplet diameter of 94 microns to 118 microns more fine than axial fan of 246 microns to 299 microns.  The centrifugal fan blower can produce a larger droplet density (tight) of 369 droplets/cm2 to 538 droplets/cm2 compared to the axial fan of 74 droplets/cm2 to 117 droplets/cm2.  The centrifugal fan blower water produces a spraying discharge of 1.22 liters/minute to 1.41 liters/minute is smaller than the axial fan of 2.33 liters/minute to 2.93 liters/minute.  The ability of centrifugal fan herbiciding is 76.21% to 78.02% greater than axial fan of 76.36% to 77.41%. Keywords: Air Blower, Axial Fan, Centrifugal Fan, Herbiciding, Weeds
Analisis Potensi Sumber Daya Air Daerah Aliran Sungai (DAS) untuk Kebutuhan Irigasi Padi dan Palawija di Kecamatan Pesisir Tengah Kabupaten Pesisir Barat Kurniadi, Riko; Ridwan, Ridwan; Amin, Muhammad; Asmara, Sandi
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9083

Abstract

The purpose of this study was to determine the potential of water resources in the Way Ngison Kiri irrigation area which has an area of 44.47 ha of rice fields for irrigation water needs for rice and peanut crops so that the optimal planting area is obtained with the right cropping pattern and distribution of irrigation water. The data used in the analysis of water resource potential for watersheds (DAS) for irrigation water needs include irrigation water needs for rice and groundnut crops, mainstay discharge, crop water requirements or consumptive use, and land water balance from the results of the SWAT simulation (Soil and Water Assessment Tool). The use of ArcGIS SWAT analysis as a geographic information system that makes it easier to manage and perform data analysis. Based on the results of the analysis that the maximum value of irrigation water requirements in the first planting season (MT I) was 1.03 m3/s occurred on the last 15 days of January, in the second planting season (MT II) 1.1 m3/s occurred on 15 the last day of May, while the third planting period (MT III) was 1.08 m3/sec which occurred on the 15th day of early June. Overall, in the first to third planting season, the mainstay discharge value is fulfilled, because the mainstay discharge value is greater than the value of water demand. Based on the adequacy of irrigation water, the optimal planting area for rice and secondary crops is 11 ha and the recommended method of irrigation water distribution is by group method. Keywords: Irrigation water needs, Mainstay discharge, SWAT, Watershed
Analisis Ekonomi Usaha Jasa Penyewaan Transplanter Asmara, Sandi; Mahesa, Khoirul Muhammad Dendi; Suharyatun, Siti; Kuncoro, Sapto
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9547

Abstract

This study aims to analyze the economic feasibility of renting transplanters at Brigade Alat Mesin Pertanian Tegineneng. The research was conducted from February to July 2023 at Brigade Alat Mesin Pertanian Tegineneng District, Pesawaran Regency. Feasibility- parameters used include Break-Even Point (BEP), Net Present Value (NPV), Benefit-Cost Ratio (B/C Ratio), Internal Rate of Return (IRR), and Payback Period (PP). Sensitivity analysis was performed to determine the impact of changes in working days on feasibility values.The study results indicate that renting transplanters at Brigade Alat Mesin Pertanian in Tegineneng has a BEP value of 27.96 hectares per year. Based on an NPV of IDR 9,175,366 per year, a B/C Ratio of 1.02, an IRR of 20.79%, and a Payback Period of 4.84 years, the rental of transplanters at Brigade Alat Mesin Pertanian in Tegineneng is economically feasible. Sensitivity analysis of transplanter use shows significant changes with each change in working days. For 40 working days, the BEP is 27.96 hectares per year, NPV is IDR 49,559,304 per year, B/C Ratio is 1.13, IRR is 29.99%, and Payback Period is 3.98 years. For 50 working days, the BEP remains at 27.96 hectares per year, NPV is IDR 89,943,241 per year, B/C Ratio is 1.20, IRR is 34.31%, and Payback Period is 3.59 years. For 60 working days, the BEP is still 27.96 hectares per year, NPV is IDR 130,327,179 per year, B/C Ratio is 1.26, IRR is 36.81%, and Payback Period is 3.37 years. Keywords:  BEP, B/C Ratio, IRR, NPV, Payback Period, Rice Transplanter.
Desain dan Evaluasi Kinerja Sistem Kendali Otomasi Air Kolam Pembibitan Lele (Clarias sp.) Desrial, Desrial; Yahya Abdul Kodir, Delphi Yahya
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9251

Abstract

Catfish nurseries are required to be able to see the appropriate needs for catfish larvae, especially in pond water quality. However, in its application, generally adjustments to the needs of water quality are only carried out without any special treatment, so that the survival obtained is still low. The purpose of this research is to make a machine that can control the quality of catfish breeding water, test the performance of the machine and the effect of its use. This study used the method of formulating and evaluating the design and testing the performance of the machine which consisted of several stages, including: formulating and evaluating the design, manufacturing the machine, functional testing, performance testing, and the influence of the machine performance. The results obtained after testing were the performance of the machine affecting the speed of hatching eggs, the growth rate and survival of catfish larvae. The speed of hatching catfish eggs is 4 hours faster using a machine. The growth rate using a machine is 0.061g/head, while without using a machine it is 0.053g/head. The survival of fish larvae using machine was 80.3%, while without using machine was 63.1%. Keywords: Control, Fish Larvae, Growth Survival, Water Quality.
Pengaruh Suhu dan Tekanan terhadap Hasil Penggorengan Keripik Pisang Muli (Musa acuminata) Model Semprong Menggunakan Vacuum Frying Asmara, Sandi; Oktafri, Oktafri; Kuncoro, Sapto; Sari, Selvi Yunita
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9085

Abstract

Fruit chips are healthy snacks because of their high fiber content. Processing of Muli banana chips with vacuum frying is an appropriate method to increase the shelf life of bananas by processing them into fruit chips. Utilization of Muli bananas with the semprong model as a processed product for chips is an effort to increase the diversification of Muli banana products and effort the selling value of the Muli banana products themselves. Vacuum frying is a frying process that can maintain nutritional value. The research method used experimental design in the form of a factorial Completely Randomized Design (CRD). Experimental factors in this study used two temperature factors (T), namely temperature 80°C, 85°C, 90°C, and pressure (P) during the frying process namely -68 cmHg, -70 cmHg and -72 cmHg, with 3 repetition. The parameters observed in this study were of material shrinkage (yield), moisture content, organoleptic test, and storage (estimation of material shelf life). The conclusion the quality of the Semprong model Muli banana chips with a temperature of 85°C and a frying pressure of -72 cmHg in this study produced good quality Muli banana chips. Muli banana chips of the semprong model with a temperature of 85°C and a frying pressure of -72 cmHg in this study had a material yield value of 30.3%, a moisture content of 3.94% and a crispness test score of 4.67 (crunchy), aroma of 3.93 (rather strong banana aroma), color 3.87 (brownish yellow), taste 4.73 (sweet). Keywords : Chips, Muli Banana, Vacuum Frying.
Preface 3(2) June 2024 Warji, Warji
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9642

Abstract

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Analisis Kebutuhan Air untuk Penanakan Nasi dengan Berbagai Jenis Beras Faizah, Intan Nurul; Tamrin, Tamrin; Rahmawati, Winda; Suharyatun, Siti
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9538

Abstract

One of the factors affecting rice fluffy level is water and rice ratio in the process of cooking.  This study aims to determine the effect of the ratio of rice and water to the nature of the tender of rice with scoring test conducted by several panelists and analyze the right water needs in the process of rice cooking.  The research was conducted in February 2018, at the Laboratorium Rekayasa Bioproses dan Pascapanen, Jurusan Teknik Pertanian.  This research used three types of rice, Rojolele, Cimelati, and IR 64 with the treatment of rice and water ratio: 5: 8,5: 9. 5:10, 5:11. Research stages include analysis of amylose content, duration of cooking, rehydration power, texture, and scoring test of level tender and level of fondness to the tender.  The results showed that, the higher the water and rice ratio, the longer cooking time, the rehydration power increased, the texture was more tender.  In the same water and rice ratio, Cimelati rice has the highest residence value than Rojolele and IR 64, while Rojolele rice has the lowest residence value compared to Cimelati and IR 64. The highest preference value of Rojolele rice rice is shown in the ratio of rice and water 5:11, while on rice Cimelati and IR 64 is 5:10. Keywords:  Amylose, Rehydration Power, Fluffier, Ratio of Rice and Water, Rice.
Analisis Pemberian Air Irigasi pada Daerah Layanan Petak Tersier dengan Luas Maksimal 50 Ha Yanto, Fery; Ridwan, Ridwan; Rosadi, R.A. Bustomi; Amin, M.
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9544

Abstract

Irrigation network is one of the determining factors that are important in regulating the supply of water to agricultural land. If the network cannot meet the needs of irrigation water on agricultural lands, will cause a decrease in problem pruductifity on agricultural land. The purpose of this research is to know the water discharge and assess the effectiveness of the grant of the irrigation water tertiary swath size of maximum 50 ha on rice plant growth phase. The irrigation network that can not meet the needs of irrigation area water means the granting of water in irrigation service areas is not appropriate. The methods used in this research is a survey method. discharge measurement carried out at specified tertiary irrigation channels at random in the field. Results of the study showed measurable discharge on tertiary buildings by using door type Crump of de Gruyter is larger than the discharge should be available, the effectiveness of the grant of the irrigation water which is pretty good going on in the area with extensive irrigation services 30 – 40 ha, with a value of efficiency reached 68%. Keywords:  Irrigation network, Kota Gajah, Performance of irrigation, Tertiary level irrigation

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