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Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)
Published by Universitas Lampung
ISSN : 2302 559X     EISSN : 2549 0818     DOI : -
Core Subject : Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Engineering
Jurnal Teknik Pertanian Lampung or Journal of Agricultural Engineering (JTEP-L) is a peer-reviewed open-access journal. The journal invites scientists and engineers throughout the world to exchange and disseminate theoretical and practice-oriented researches in the whole aspect of Agricultural Enginering including but not limited to Agricultural Mechanization, Irrigation, Soil and Water Engineering, Postharvest Technology, Renewable Energy, Farm Structure, and related fields. The first issue was published in October 2012 by Department of Agricultural Engineering, Faculty of Agriculture, University of Lampung. Jurnal Teknik Pertanian Lampung has ISSN number 2302 - 559X for print edition on October 10, 2012 then 2549 - 0818 for online edition on January 10, 2017. Jurnal Teknik Pertanian Lampung is issued periodically four times a year in March, June, September, and December. Jurnal Teknik Pertanian Lampung has been indexed by Google Scholar, Crossref, Directory Open Access Journals (DOAJ), and CABI. Since Volume 5 Issue 1 (2016) Jurnal Teknik Pertanian Lampung has been accredited as SINTA 3 by Directorate General of Higher Education (DIKTI). Starting Volume 10 Issue 3 (2021) the journal received accreditation SINTA 2.
Arjuna Subject : -
Articles 1,077 Documents
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Specifications of Sugar Cane Varieties Based on Land Characteristic and Typology Basuki Basuki; Vega Kartika Sari
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 1 (2024): March 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i1.132-146

Abstract

The productivity of sugarcane is decreasing and there are more and more varieties in circulation. The decrease in productivity is caused by the incompatibility of each variety of land typology. The purpose of this research is to arrange the right varieties in increasing the productivity of sugarcane. The research method is surveying and matching. Parameters used include soil texture, land type conditions, soil drainage conditions, and rainfall. Based on the research results, the total working area of 11,866.81 ha was divided into 4 land typologies, namely BHJ with an area of 2,910.95 hectares (24.53%), BPJ with an area of 2,047.44 hectares (17.25%), RHL an area of 471.12 hectares (3.97%), RPL area of 1,527.01 hectares (12.87%). Based on land typology the suitability of BHJ varieties of sugarcane suitable varieties PSMLG 1 AGRIBUN, VMC76-16, NX03, PS921, PSJT941, PSDK923; BPJ land typology of suitable varieties Cenning, VMC71-238, PA0218, NX01, Kentung, AASAgribun, PSJT 941, PSDK923, PSBK051, NX02; RHL land typology of suitable varieties PSKA 942, PA028, PSBK061, VMC76-16, AMS Agribun, ASA Agribun, PSJT941, NXI4T, MOJO01, Bululawang; RPL land typology of suitable varieties PS881, TLH02, PSKA 942, PSBK061, PS091, PSJK922, VMC86-550, PS862, PS851, PSCO902, Kidang Kencana, PS882, PS092, PS865, PS864, NXI4T, Bululawang.  Keywords: Soil drainage, Soil texture, Soil type, Soil typology, Sugarcane varieties. 
Identification of Leading Commodity Areas in the Agricultural Sector Based on Historical Data and Land Suitability Delvi Yanti; Eri Stiyanto; Nika Rahma Yanti; Choiruddin Batubara; Ferdian Ariyadi
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 12, No 3 (2023): September 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v12i3.698-709

Abstract

In determining the utilization of the area, many government regulations have been made from the Central, Provincial, and Regional levels using a production data approach. However, it is getting different results with the same slice. The purpose of the study is to identify areas and determine priority agricultural commodities for food crops, horticulture, and plantation groups in Pasaman Regency. Analytical techniques used in Pasaman Regency are LQ analysis, shift share (SS) analysis, and field observation with a stakeholder approach. Based on the research, it is found that LQ and SS were able to determine the leading commodities of food crops, horticulture, and plantations in Pasaman Regency. The main food crop is corn, with the central development area in Tigo Nagari District. The superior horticultural crops and their development areas are chilies in Panti District and mangoes in Mapat Tunggul. The main plantation crop is rubber in a central development location in South Rao District. Keywords: Featured commodities; Historical data; Production; Land suitability; Pasaman  
Empirical Model for Estimation of Soil Permeability Based on Soil Texture and Porosity Siti Suharyatun; Mareli Telaumbanua; Agus Haryanto; Febryan Kusuma Wisnu; Mayrani Tri Pratiwi
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 12, No 3 (2023): September 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v12i3.533-544

Abstract

Soil permeability is the ability of the soil to pass water or air. Soil permeability is affected by texture, structure, and soil porosity. This study aims to develop a mathematical model to predict the value of soil permeability as a function of the percentage of the constituent fraction of the soil and soil permeability as a function of porosity. The study used soil taken from 7 different locations, with 6 samples for each location, 4 samples for model building and 2 samples for model validation. Parameters observed consisted of the percentage of sand (x1), the percentage of silt (x2), the percentage of clay, (x3), soil porosity (x4) and soil permeability (y). From the analysis, the empirical model obtained is soil permeability as a function of the percentage of constituent fractions of the soil which is expressed by the equation y1=36.796-16.022x2-23.938x3 and soil permeability as a function of porosity is expressed by the equation y2=12+0.65(x4-0.06)-2.92 . The permeability equation as a function of soil constituent fraction (y1) can predict soil permeability with a value of R2 = 0.925 and an RRMSE value of 5.461%, better than the permeability equation as a function of porosity. Keywords:   Empirical model, Multiple linear regression, RRMSE, Soil physical properties, Model validation
Application of Agro-industrial Solid Waste as Biochar for Iron (II) Removal from Aqueous Solution Rusnam Rusnam; Nika Rahma Yanti; Aninda Tifani Puari; Nurmala Sari
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 1 (2024): March 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i1.155-164

Abstract

In recent years, various industrial activities have introduced a high concentration of iron in the waterbody which causes serious problem to environment. This paper proposed the application of Exhausted Coffee Husk (ECH) as the biosorbent (BS) for removing iron (Fe) (II) in the aqueous solution. The ECH was carbonized into biochar before performing biosorption of the heavy metal ion. The effect of carbonization temperature, time and rate on the performance of the ECH biochar for removing Fe (II) were evaluated. The percentage of removal efficiency (RE) and the capacity of biosorption (mg/g) were considered as the determining parameters. The pyrolysis temperature was varied in a range of 200-600 °C with 50 °C of interval, while the time was in between 1h – 3h with a n interval of 0.5 h, and the temperature gradient of 5 – 25°C/min. The results showed that the temperature had a significant effect on the properties of the ECH biochar as BS for Fe (II). The temperature of 550 °C, at 1.5 h of time and 25 °C/min was chosen as the suggested carbonization temperature of biochar from ECH for biosorption of Fe (II).  Keywords:  Agro-industrial solid waste, Biosorption,  Carbonization, Exhausted coffee husk (ECH), Heavy metal.   
Response of Growth and Seed Yield of Mung Bean (Vigna radiata L.) to Chicken Manure and Banana Hump Liquid Organic Fertilizer Application Kurniasari, Leli; Anggriawan, Feri; Lestari, Sri Ayu Dwi; Sulistyo, Nanti Bambang Eko; Syahban, Rahmat Ali; Rahayu, Sri
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 1 (2024): March 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i1.147-154

Abstract

Mung bean is highly important legume crop in Indonesia. Attempts to improve the yield and quality of mung bean seeds can be done through improving the planting media by adding organic fertilizer. The objective of this study was to determine the response of growth and seeds production of mung bean due to chicken manure and banana hump organic fertilizer. The research was performed in the greenhouse at the Balai Pengujian Standar Instrumen Tanaman Aneka Kacang (BSIPTAKA), Muneng Probolinggo. This study was structured in a factorial block design with three replications executed randomly. The first factor was doses of CM consisting of 0, 8.3, 16.7, and 25 ton/ha. The second factor was concentrations of banana hump liquid organic fertilizer (LOF) consisting of 0, 10, 20, and 30 ml/L. The result showed that doses of CM had a significant effect on plant height at 10 DAP, seed weight per plant, and seed yield. The interaction between CM doses and banana hump LOF was able to increase leaf chlorophyll index at 30 DAP. Combination of 16.7 ton/ha CM and 20 ml/L banana hump LOF produced the highest average chlorophyll index of 55.07 CCI. Keywords: Chlorophyll index, Manure, Mung bean, Organic fertilizer, Seed.
The Implementation of Micro/Nanobubbles (MNBs) Technology to Treat Basin Water as The Primary Water Source for Hydroponics in Greenhouse Asep Yusuf; Chay Asdak; Mimin Muhaemin; Sophia Dwiratna N.P; Anto Tri Sugiarto; Hilman Syaeful Alam
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 1 (2024): March 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i1.197-204

Abstract

The greenhouse plays a pivotal role in creating an ideal environment for hydroponic cultivation. The greenhouse has utilized rainwater and basin water as a source of raw water for hydroponic farming. Presently, the water quality of Leuwi Padjadjaran basin fails to meet the standards required for hydroponics due to its turbidity, sediment content, discoloration, pH levels exceeding 7, and low dissolved oxygen (DO) concentration of 2.2 mg/l. The micro/nanobubbles (MNBs) technology stands as a viable method for water treatment owing to its capacity to bind impurities via radical OH. The application of MNBs for the treatment of basin water involves the use of a hydrodynamic cavitation MNBs generator with a dual-chamber rotating flow nozzle. The parameters evaluated in this research encompass DO concentration, MNBs stability, microbubble size, and the visual response to MNBs application. MNBs treatment was conducted with three different gases: air, oxygen, and ozone. Microbubbles were measured using the particle image velocimetry (PIV) method. The DO concentration reaches 21.6 mg/l when employing oxygen-based MNBs. On the third day post-generation, MNBs stability still maintains DO concentrations above the initial levels. Thus it can be used as hydroponic raw water.  Keywords:  DO concentration, Greenhouse, Micro/nanobubbles, Water treatment.
Cover Vol 12 No 4, December 2023 Agus Haryanto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 12, No 4 (2023): December 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Detection of Formalin Content in Chicken Meat Using Portable Near Infrared Spectrometer Agita Rakhmawati; Yohanes Aris Purwanto; Slamet Widodo; Dewi Apri Astuti
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 12, No 4 (2023): December 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v12i4.831-839

Abstract

Food safety is essential for consumers. One of the compound that are prohibited from being used to preserve chicken meat is formalin. It demands a fast classification and sorting process for chicken meat, whether it is processed further or not. The main objective of this research is to develop a model that can predict the formalin content of chicken meat at room temperature using a portable NIR spectrometer. The NIRS method utilizes electromagnetic waves in infrared radiation with wavelengths ranging from 740-1070 nm. The method used to process the data is partial least square discriminative analysis (PLS-DA) to determine the presence of formalin in chicken meat. The results showed that the best pre-treatment was using the 1st derivative which had calibration results with an accuracy value of 92.86%, sensitivity 94.05%, specificity 91.67%, and FPR 8.33%. While the validation results obtained an accuracy value of 92.86%, sensitivity 92.86%, specificity 92.86%, and FPR 7.14%. Keywords: Chicken meat, formalin, NIRS, non-destructive method, PLS-DA.
Application of Micro-Nanobubble Aeration in Spinach (Amaranthus viridis) and Pakchoi (Brassica rapa Chinensis) Cultivation with the Wick System Elisabet Mutiara Hutabarat; Hilman Syaeful Alam; Asep Yusuf; Taufik Ibnu Salim; Norberta Yuni Rusmintia
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 12, No 3 (2023): September 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v12i3.756-764

Abstract

This study aimed to determine the effect of micro-nanobubble generator (MNBG) aeration on the cultivation of spinach (Amaranthus viridis) and pakchoi (Brassica rapa chinensis) hydroponic wicks. The basic principle of this system is that the axis capillary action flows nutrients to the planting medium. There are no moving parts so the nutrients can settle rapidly and the dissolved oxygen content is limited. Micro-nanobubbles (MNB) have the characteristics of a long residence time in the water so that their generation can operate intermittenttly. This study aims to determine the effect of applying (MNBG) with a flow rate of 0.98 L/minute on root length, plant height, and wet weight of spinach and pakchoi plants in wick hydroponics. Cultivation was hold on a free environment. There are three kinds of treatment; without aeration (N0), aeration 15 minutes x 4 for 24 hours (N15), and aeration 30 minutes x 4 for 24 hours (N30). Variations in the types of materials used in this study were spinach and pakchoi, as per treatment was repeat five samples. The study used a Randomized Block Design (RBD). The measurement results compared by the One-Way ANOVA test (5% level), then continued with Duncan's test to determine the difference. The results showed that there was an effect of applying intermittentt MNBG aeration on the average weight and height of the spinach plants, N15 treatment was more effective than the N0 and N30. Intermittentt MNBG aeration did not show a significant difference in the average weight of pakchoi. Keywords:   Aeration, Hydroponics, Spinach, Pakchoi, wick
Identification of Termite House Cementation as an Effort to Make Synthetic Cementation for Soil Conservation Angga Prasetya; Sri Nuryani Hidayah Utami
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 12, No 3 (2023): September 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v12i3.745-755

Abstract

Termites are social insects that have strong and hard nests. The purpose of this study was to identify the cementation material for termite nests which makes termite nests sturdy so they are resistant to rain or erosion. Sampling was carried out by random sampling method in three different districts, namely Gunung Kidul, Kulon Progo and Bantul. Parameters observed for the identification of cementation materials were pH, C-organic, organic matter, texture, protein and fat. In general, the parameters in the termite nest have a higher value than the soil around the termite nest. C-organic termite nests in Gunung Kidul by 2.82%, Kulon Progo 3.05% and Bantul 3.46%. While the organic matter content in the soil of Gunung Kidul is 2.06%, Kulon Progo is 2.21% and Bantul is 3.00%. The protein content in termite mounds is 0.17% in Gunung Kidul, 0.19% in Kulon Progo, and 0.15% in Bantul. The protein content in the soil around the nests was 0.10% in Gunung Kidul, 0.12% in Kulon Progo and 0.10% in Bantul. The texture of the termite nest and the soil around the nest is loamy and loamy loam. Based on the results of the analysis obtained, the construction of termite nests is dominated by clay material with adhesive or cementation of organic matter and protein produced from termite saliva. Soil conservation can be done by adding organic matter and protein to stabilize and strengthen soil aggregates. Keywords : Clay, Protein, Termite, Soil Conservation

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