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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 16 Documents
 1   2 
Search results for , issue "Vol 11, No 1 (2022): March" : 16 Documents clear
Effect of Extreem Rainfall Pattern on The Growth and Yield of Chili Peppers Wini Prayogi Abdila; Bayu Dwi Apri Nugroho; Chandra Setyawan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.117-129

Abstract

The purpose of this study was to observe the effect of extreme rainfall patterns in the DI Yogyakarta region on the growths of rawit/cayenne (Capsicum frutescens L.) and keriting/curly (Capsicum annum) chili peppers. The experimental design used was Randomized Complete Block Design (RCBD) with single factor consisting of three levels namely: maximum frequency index (P1), rainfall intensity index (P2), and control treatment (K).  The frequency and intensity indexes (P1 and P2) of May-June-July from each weather station were used as the bases of rainfall simulations applied in watering the rawit and keriting chili pepper cultivations. Whilst, control (K) was the watering on the basis of optimum crop water requirement. The growth parameters observed included plant height, number of leaves, age of flowering, age of fruiting, age of first harvest, final weight of biomass, and yield. The data sets were analyzed by using one-way Analysis of Variance (ANOVA) at α=0.05 for each species. The results showed that the three levels of treatments did not significantly affect the growth and yield based on all parameters observed for both of the two species. So even the potted media were flooded, the water easily drained through the holed base of pots, making plant growth undisturbed. This finding suggested that planting chili peppers in pots or elevated media could mitigate the effect of extreme rainfalls.Keywords: Extreme Precipitation, Extreme Indices, Plant Growth, chili pepper
Response of Biofertilizer Application and Alkali Supplement Fertilizer on the Growth and Yield of Curly Red Chili (Capsicum annuum L.) Devi Puspita Amartha Yahya; Kus Hendarto; Fitri Yelli; R.A. Diana Widyastuti
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.15-23

Abstract

This research aimed to determine the effect of biofertilizer application and alkali supplement fertilizer on the growth and yield of chili (Capsicum annuum L.) This research is arranged in a randomized block design (RBD) consisting of two factors and three replications. The first factor is biofertilizer with three levels, i.e., H0=without biofertilizer; H1= dose of 4 ml/plant; H2= dose of 8 ml/plant. The second factor is alkali supplement fertilizer with three levels, i.e., P0=without alkali supplement fertilizers; P1= dose of 0,05 gr/plant; P2= dose of 0,1 gr/plant. The results showed that the growth variable did not have a significant interaction effect between biofertilizer and alkali supplement fertilizer. Meanwhile, in production variables, there are interaction effects between the application of biofertilizers and alkali supplement fertilizer in variables of number of flowers, number of fruit consumption, and fruit weight per plant. The biofertilizer application with a dose of 8 ml/plant accompanied by alkali supplement fertilizers dose of 0,1 gr/plant resulted in the highest fruit weight, 436.70 grams/plant. The biofertilizer application of 8 ml/plant produced 402.12 grams/plant3, while the application of alkali supplement fertilizer with a dose of 0,1 gr/plant produces chili production of 400.51 grams/plant.Keywords: alkali supplement fertilizer, biofertilizer, chili 
Physico-Chemical Properties of Corn Bread Fortified with Moringa Leaves (Moringa oleifera) Flour Maria Susana Medho; Endeyani V. Mohamad
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.79-89

Abstract

This study aimed to examine the effect of Moringa leaf flour concentration on the physical and chemical properties and level of preference of Moringa corn bread. The study was conducted with variations of Moringa leaf flour concentration (TK): TK1 = 1%; TK2 = 3%; TK3 = 5%; TK4 = 7%. Parameters to be analyzed included physical properties, namely bread volume, specific volume of bread and bread elasticity. Chemical properties included water content, protein, vitamin C, β-karoten. The results showed that the highest macro- and micronutrient values in the addition of 7% Moringa leaf flour was inversely proportional to the physical properties of the bread, namely a decrease in the specific volume and elasticity of Moringa cornbread which resulted in a decrease in panelists' acceptance of Moringa cornbread products. TK3 was the best with protein value of 7.27 mg/100g, vitamin C 60.0 mg/100g, β-karoten 13909.99 µg/100g, specific volume of bread 3.71 cm3/g and bread elasticity. 75.14% and the highest sensory acceptance of moringa cornbread. Keyword: Physical, Chemical, Bread, Corn, Moringa
Drip Irrigation Technology Performance on Rice Cultivation Priatna Sasmita; Nurwulan Agustiani; Swisci Margaret; Shinta Dewi Ardhiyanti; Suprihanto Suprihanto; Yudhistira Nugraha; Suhartini Suhartini
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.130-145

Abstract

This study aims to determine the performance of drip irrigation technology as compared to conventional farmer’s practice on rice growth and yield, grain quality, and water consumption. The research was carried out at the Sukamandi Experimental Station, Subang, West Java in July - October 2019. The test was arranged by a nested randomized block design with 5 replications. The main plot was water management with 2 levels: (1) Drip Irrigation Technology (DIT) and (2) Conventional Farmer’s Practice (CFP) (flooded condition) as a comparation. Subplot was varieties with 4 levels: two hybrid rice (1) Hipa 8 and (2) Hipa 18, upland rice (3) Inpago 11, and irrigated inbred rice (4) Inpari 42. The result showed that yield of DIT not significantly different to CFP with higher number of tillers per m2. However, it was lower for plant height, tillering ability, grain filling, 1000 grains weight, transpiration rate, assimilation rate and stomatal conductance. For grain quality determination, DIT gave an increase in the average of grain density and impurities, but decreased in the average percentage of chalky and immature grains. In Hipa 18, DIT was able to produce a higher percentage of head rice. DIT only consumed 3864 m3/ha/season water irrigation compared with average water consumption in Sukamandi Field Station which range of 7460-8740 m3/ha/season.Keywords: Drip irrigation, Rice, Water, Yield, Grain quality 
Characterization of Traditional Market Solid Waste (TMSW) and Its Recycling Potential (Case Study : Traditional Markets in Bandar Lampung) Muhammad Haviz; Dewi Agustina Iryani; Puspita Yuliandari; Udin Hasanudin; Elhamida Rezkia Amien; Agus Haryanto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.70-78

Abstract

Solid waste has always been a problem for developing countries. In Bandar Lampung, the traditional market is the second largest contributor of solid waste, after households. Data for Traditional Market Solid Waste (TMSW) composition and generation rate in Bandar Lampung is rarely found, even though, data is needed to write the policy for TMSW management and its recycling potential. This research aims to provide data on TMSW composition, generation rate and chararacteristic in Bandar Lampung, also its recycling potential. The sample from 10 of 31 traditional markets in Bandar Lampung is collected for 8 consecutive days in morning and afternoon. Then, the sample was processed to obtain its composition, generation and density. 48.06% of TMSW compositions is donated by vegetable. Meanwhile, metal is rarely found in traditional markets, with only 0.37%. The average density of TMSW is 180.11 kg/m3, while Kangkung Market has the highest density with 237.84 kg/m3 and Cimeng Market has the lowest TMSW density with 123.07 kg/m3. The generation rate of TMSW is 53,602.35 kg/day. Biodegradable wastes from traditional markets in Bandar Lampung, with 53% water contents, can be potentially recycled by composting and/or anaerobic digester because of its economic value and characteristic. Keywords:   Recycling, Solid Waste Management, Traditional Market Solid Waste, Waste Characterization
Classification of Freshness Levels and Prediction of Changes in Evolution of NH3 and H2S Gases from Chicken Meat during Storage at Room Temperature Pramilih Nastiti; Nursigit Bintoro; Joko Karyadi; Sri Rahayoe; Darmawan Nugroho
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.90-98

Abstract

Chicken meat has a high nutrient content. However, its quality is easy to be degraded. The degradation is normally characterized by the formation of metabolite gases (NH3 and H2S) as deterioration indicators. Sensors detect phenomena better than human senses. This study aimed to classify meat quality based on gas formation during meat storage. In addition, a kinetics model of gas changes was determined. The gases were detected using a set of equipment consisting of Raspberry Pi and Metal-Oxide-Semiconductor (MOS) gas sensors. Samples were put in a 10 x 10 x 10 (cm) black container. MOS sensors were put inside the box to detect the gases at room temperature for 24 hours, with data collection being recorded every hour. Obtained data were then analyzed using Principle Component Analysis (PCA) for quality classification. The study showed that the quality of chicken meat was classified into three groups with a total variance of more than 95%. PC1 explained 88.2%, and PC2 explained 9.0%. The constant rate of H2S and NH3 changes followed the first-order kinetics with a constant rate of 0.2641 and 0.2925, respectively. The equation for H2S and NH3 changes were Ct=1.70 e0.2641 t and Ct=1.00 e0.2925 t, respectively. Keywords: Chicken meat, Freshness, H2S gas, NH3 gas, Sensor
Analysis of Maros River Discharge Using the Modified Soil and Water Assessment Tools (SWAT) Program Ahmad Fausan; Asep Sapei; Yuli Suharnoto; Nora Herdiana Pandjaitan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.146-160

Abstract

Soil and Water Assessment Tools (SWAT) which is developed in America was used to analyze the effect of land management on discharge, sedimentation, and water quality in a river basin area. The hydrological conditions in the Americas are different from Indonesia, so a modified SWAT is done. This research aimed to implement a modified SWAT program to predict the results of a better discharge analysis based on hydrological analysis in the sub-Watershed area. About 13.90% of the area was paddy fields. The evaluation of the module had been done by looking at the coefficient of determination (R²) and Nash-Sutcliffe Efficiency (NSE) based on the comparison of simulated discharge results with an observation discharge. Research began with delineation DEM, HRU formation, simulation, calibration, and validation. The R² value for daily data on modified SWAT was 0,725. It was better than the original SWAT and SWAT with Pothole, which were 0,706 and 0,708 respectively. Likewise, the NSE value for daily data on modified SWAT was 0,721, on original SWAT and on SWAT with Pothole was 0,668 and 0,685 respectively. The analysis result showed that the modified SWAT provide good discharge prediction results, indicated by relatively high R2 and NSE values.Keywords: hydrological analysis,modified SWAT, paddy field, pothole, SWAT
Analysis of Mulching Effects on The Growth Performence of Spring Onion Freda Variety (Allium fistulosum L.) Novani Wahyu Christanti; Nugraheni Widyawati
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.110-116

Abstract

The use of mulch aims, among others, to provide a more ideal microclimate to support the growth of spring onion. The purpose of this study was to analyze the effect of mulch on the growth performance of the spring onion Freda Variety. The research location was conducted at the Salaran Experimental Garden belonging to the SWCU Agriculture and Business Faculty from May 2021 to August 2021. This experiment used RAK which consisted of five treatments, namely M0 (without mulch), M1 (black-silver plastic mulch), M2 (transparent plastic mulch), M3 (corn stem mulch), M4 (reed mulch). Each treatment was repeated five times and the data were analyzed using variance and DMRT 5%. The result showed that the best treatment to support spring onion performance was reed mulch because it had the highest average of all growth components and plant fresh weight of 53,17 cm, stem diameter 14,92 mm, number of leaves 6,50 leaves, number of tillers 1,90 and fresh weight 441 grams and has the highest soil organic matter content, lower temperature soil and increase soil moisture. Keyword: Reed, Corn stem, Spring onion, Plastic mulch, Mulching
Effect of Coconut Shell Biochar Application on the Effectivity of NPK Fertilizer in Red Onion (Allium ascalonicum L.) Cultivation Agata Desinta Yoanma; Agus Haryanto; Oktafri Oktafri; Sugeng Triyono
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.1-14

Abstract

Shallot cultivation in Lampung faces challenges because the land is dominated by ultisol soils, which have low nutrients. Therefore, soil improvement materials such as biochar and fertilizers are needed. This study aims to determine the effect of coconut shell biochar addition on the effectiveness of NPK fertilizer in the production of shallots. The study was arranged in a Factorial Completely Randomized Design consisting of 2 factors, namely the dose of biochar (0, 40, 80, and 120 g/pot) and the dose of NPK fertilizer (0, 0,8, 1,6, and 2,4 g/pot). Each treatment combination was repeated 3 times. Parameters included soil characteristics (pH, soil volume shrinkage) and plant parameters (plant height, number of leaves, canopy area, buld number and diameter, evapotranspiration, fresh root weight, bulb air dry weight, and water productivity. The results showed that coconut shell biochar had a significant effect (α = 0.05) in increasing soil pH and decreasing soil shrinkage. The dose of biochar 80 g/pot (B2) with a dose of NPK 1.6 g/pot (N3) was the best treatment. In this treatment combination, shallots produced an average weight of 120.54 g/pot of fresh stover, 14 bulbs with diameter of 2.05 cm and air dry bulb weight of 70.17 g/pot, and the water productivity of 18.22 kg/m3. Keyword: Canopy area, Fertilizer dose, pH, Soil shrinkage, Water productivity
Utilization of Lerak Juice (Sapindus rarak DC) as Natural Surfactant in the Liquid Washing Soap Production La Choviya Hawa; Naura Lulu Farhanrika; Ary Mustofa Ahmad
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 11, No 1 (2022): March
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v11i1.24-34

Abstract

Before detergent was commonly used, a natural cleanser which function is to help people to clean several things in their houses was Lerak berry (Sapindus Rarak DC).  This berry contains saponins (28%) which can be used as the ingredient for shampoo, soap, and other kind of cleaning agents. Dilutting Lerak juice into soap base will produce liquid washing soap which can be an alternative to reduce the use of detergents. This study aims at finding the best treatment, balance ratio of Lerak juice (2:1; 3:2; 1:1; 2:3), and diluting method for the soap base (heating and non-heating) to be used for producing liquid washing soaps with the best characteristic. This study uses two-factor randomized block design method which later be analyzed using ANOVA. Organoleptic testing of the hedonic quality to the color, scent, foam quantity, cleaning-power, the after-effects impression, and the general assessment of the liquid washing soaps results a 2:1 Lerak juice balance ratio with heating method is found to be the best treatment for diluting method. The balance ratio affects the consistency and viscosity which also affects the density, pH, and water holding capacity, but does not affect the foam’s stability. Keywords: Lerak, Liquid Washing Soap, Sapindus Rarak, Surfactant

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