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Jurnal Keteknikan Pertanian

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Published by Institut Pertanian Bogor

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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Articles Template Admin Jtep
Jurnal Keteknikan Pertanian Vol. 6 No. 1 (1992): Buletin Ketenikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.06.1.%p

Article Template

Pengembangan Mesin Penanam dan Pemupuk Jagung Terintegrasi dengan Pengolahan Tanah Alur Agustami Sitorus; Wawan Hermawan; Radite Praeko Agus Setiawan
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

The prototype of integrated corn planter and fertilizer applicator for strip tillage has been developed. The development was done by using wheel axis of hand tractor for driven rotor fertilizer applicator and metering device corn planter. Planting furrows were made into two furrows on a single pass with strip tillage. The objective of this study was to develop and to conduct performance test of the corn planting and fertilizing for strip tillage. Stationer test result showed that the fertilizer applicator and corn planter performance could be metering 20.71 g/m NPK fertilizer and 1-3 seeds of corn per planting hole respectively. Field test result showed that the fertilizer applicator and corn planter performance could be metering 15.88 g/m NPK fertilizer and 1-2 seeds of corn per planting hole respectively. Mean seed spacing was 21.5 cm which was longer than the theoretical seed spacing (20 cm). Fertilizer and seed hopper capacity were 16.53 kg and 1kg respectively. Effective fieldcapacity was 0.147 ha/h (low-1)and 0.350 ha/h (low-2) and efficiency for respective speed was 76.24% and 83.78%.

Analisis Laju Pencucian Tanah Salin dengan Menggunakan Drainase Bawah Permukaan Nibras Nasyirah; Dedi Kusnadi Kalsim; Satyanto Krido Saptomo
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Leaching process with subsurface drainage is needed to solve the salinity problem. This research was conducted to determine the leaching rate of saline soil by contaminants flow in the soil experiments, and determine the accuracy of ILRI’s formula (1994) that used in the calculation. Data was collected in some experiments, the experimental of soil physical properties, salt contamination, and soil leaching. The experiments showed the different leaching time to reduce concentration to the desired level, 0.07, 0.13, and 0.08 days, respectively for the percolation rate 1035.73, 1614.12, and 1888.52 mm/day. It is influenced by concentration of dissolved salts (Ct), rate of percolation (q), water storage in field capacity (Wfc), and permeability (K). However there is has a differentation between an experiment and calculating result, so for this condition needs a development of formula that issued by ILRI (1994) with adding a correction coefficient for Wfc value, 0.076, 0.078, and 0.042 for experiments 1, 2, and 3, so the calculation results may approach by the real condition.

Pemodelan Daya Pengadukan selama Proses Dehidrasi Osmotik Irisan Mangga dalam Larutan Gula Leopold O. Nelwan; Fibula Yudisaputro; Hiroshi Nabetani
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

This study discusses mathematical model of agitation power due to the change of sugar solution concentration during the process of mango slices osmotic dehydration. The sugar solution agitation was performed in several levels of rotational speed to correlate the power number with the Reynolds number. Then, the obtained model was used to calculate the power consumption for various temperature and initial rotational speed of shaft. The results showed that the correlation can be used for various conditions of shaft rotational speed and solution concentration. Osmotic dehydration for 8 hours at conditions of 30-50OC with rotational speed of 143-525 rpm results in solution dilution from 61OBx to 50.5-52.5OBx. Temperature of 30OC with initial shaft rotational speed of 500 rpm results in power consumption ten times higher than that of 50OC and 148 rpm. Moreover, power consumption reduction up to 80% of initial energy consumption due to the dilution of the sugar solution during the osmotic dehydration process was obtained.

Pengembangan Model Pendugaan Kadar Hara Tanah Melalui Pengukuran Daya Hantar Listrik Tanah Hasbi Mubarok Suud; M. Faiz Syuaib; I Wayan Astika
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

The key of precision farming is the right decision in terms of time, quality, quantity, and specific location in the farming activities. Soil electrical conductivity (EC) is a variable that is both practical and efficient to implement precision farming. Several methods of EC measurement for precision farming have been developed and applied in precision farming, but inaccuracy on the interpretation of measurement result frequently encountered due to complexity of soil conditions and various geospatial condition. This paper presents a study on EC interpretation by focusing on interaction between moisture content, soil density, and soil N, P, K ratio which affect soil EC measurement. Soil samples of various levels of water, compaction, and N, P, K ratio are measured using a soil box resistivity. The levels of moisture contents were devided into low moisture content that have moisture content less then 20% and high moisture content that have moisture content more than 20%, while the levels of soil compaction were devided into high density condition and low density condition. Regression equations for N, P, and K ratio prediction have been generated and the coefficient of determination (R2) were obtained ranging between 0.6 and 0.89 for low moisture content and

Analisis Debit Sungai dengan Menggunakan Model SWATpada DAS Cipasauran, Banten Maulana Ibrahim Rau; Nora Pandjaitan; Asep Sapei
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Total water demand at non industrial and industrial region in Cilegon is increasing. With its water production capacity of 2,000 l/s, PT Krakatau Tirta Industri (KTI) cannot fulfill the amount number of demand from the industrial and domestic sectors at Cilegon. To cover the shortage of water supply of ±600 l/s, PT KTI requires taking water from Cipasauran Watershed. The objective of this study was to analyze river discharge of Cipasauran Watershed using SWAT model. Input data such as soil characteristics, climate data, landuse, and hydrology data at the area of the watershed were gathered and put at the data input file. In SWAT simulation, 4 processes were done, i.e. watershed delineation, hydrological response unit (HRU) forming, data process and SWAT simulation, and visualization process. The result showed that the daily and monthly calibration process crossed 84% and 83% with the 95PPU area, with daily and monthly p-factor value of 0.84 and 0.83. Thus, calibrated model result was valid, though R2 and NS value were not satisfied. Using the validated SWAT model, the daily discharge in Cipasauran Watershed was about 0 - 3.309 m3/s, whereas the monthly discharge was 0.648 - 3.266 m3/s. This showed that daily and monthly PT KTI’s water demand of 0.6 m3/s were fulfilled about 98.22% and 100%. Within the future time, the SWAT model could be potentially used as an assessment for predictive scenarios. However, to gain optimum results, well-observed and precise data is highly required, especially for such calibrations and validations.

Penggolongan Mangga cv Arumanis Berdasarkan Mutu Internal Yunisa Tri Suci; I Wayan Budiastra; Y. Aris Purwanto
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

The purpose of this study was to assess NIRS method to classify mango cv Arumanis based on its internal quality during cold storage. Reflectances of mango at harvest date (H0), 12 days of storage (H12), and 22 days of storage were measured by using NIRflex Spectrometer at wavelengths of 1000-2500 nm, followed by measurement of physico chemical properties of mango (total soluble solid, total acid, TSS-acid ratio, firmness and weight loss). Unsupervised Principal component analysis (PCA) and pre treatment NIR spectra were performed on NIR spectra to classify mango (H0, H12, H22) and mahalanobis distance was used to validate the results. The result showed that reflectances of mango decreased during storage indicating the increase of NIR absorption by internal compounds of mango. TSS, TSS-acid ratio, and weight loss increased during storage as total acid and firmness decreased. NIRS and PCA analysis with pretreatment of quantile normalization and smoothing, and mahalanobis distance parameter could classify mango of 0, 12 and 22 days of storage based on its internal quality with accuracy of 87 %.

Sistem Tebas Bakar dan Pengaruhnya Terhadap Komponen Fisik Kimia Tanah Serta Vegetasi pada Ladang dan Lahan Bera (Studi Kasus di Desa Pruda Kecamatan Waiblama Kabupaten Sikka Provinsi Nusa Tenggara Timur) Henderikus Darwin Beja; W. I.I. Mella; I. N. Prijo Soetedjo
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Shifting cultivation by slash and burn system is an agricultural activity which is generally done farmers in dry land. Slash-and-burn is practiced by the farmers because it is easy and inexpensive, with aims to improve the content of nutrients in the soil, eradicate weeds, reduce costs, reduce the incidence of pests and diseases and to increase crop production. Land clearing by slash and burn system in a short period of time have a positive impact as the availability of N, P, K, Ca, Mg. However, long periods of slash and burn have negative impact there will be changes in physical and chemical components of soil and change the dominant vegetationin the fields and fallow land. These changes will affect the l evel of productivity of the soil, especially in the land which was done. To reduce the negative impacts, farm management system with slash and burn practices, should be considered with conservation activities, especially from the aspect of land management techniques. Those negative effect might be minimized by arious treatments such as time of burning tehnique, chosen of burned biomass, and time of digged biomass. All those should be supported by a basic information affect of burning to change of physical and chemical soil characteristic at various land cultivation and length of cultivation. Result of study that had been conducted at Pruda village, sub-district of Waiblama, district of Sikka, Propince of Nusa Tenggara Timur showed that total Nitrogen and C organic increased gradually when land has been 3 years fallow. Result of single factor showed that soil aggregation was a ffected significantly by fallow than cultivated land .

Eksplorasi Potensi Airtanah pada Kawasan Industri Air Mineral Dalam Kemasan, Cemplang, Bogor Roh Santoso Budi Waspodo
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Exploration of water resources is an attempt to provide water accesibility for society’s. Required in-depth study of geological analysis-hydrogeological springs and groundwater that it will be processed into clean water to support communities. The intent of this study was to determine the geoelectric-hydrogeological conditions through the distribution characteristic of the aquifer by resistivity rocks around Cemplang, Bogor. The purpose of this investigation was to provide a data where groundwater sources are used for industrial mineral water The exploration results obtained by the location of shallow groundwater in the range between 2-14 m below the surface of the local soil. Free groundwater depth (shallow groundwater) conducted in the study area, groundwater depths ranging between 2-8 m below ground surface (bmt) local. The groundwater is estimated from Mount Salak as a groundwater resource, The estimation geoelectric investigation area is resistivity 3-400 Ωm. Rock aquifer consists of sandy loam, silty sand and sand hydraulic conductivity estimated 3-40 m/day. Layer has a smaller resistivity of 13 Ωm and is at a depth of 17 m bmt. The slopes of this research area is 0017 to obtain the potential of groundwater in at 18,947.37 m3/day, equivalent as 219.30 liters/sec.

Pengaruh Jenis Kemasan dan Penyimpanan Suhu Rendah Terhadap Perubahan Kualitas Cabai Merah Keriting Segar Asmeri Lamona; Y. Aris Purwanto; Sutrisno .
Jurnal Keteknikan Pertanian Vol. 3 No. 2 (2015): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

During postharvest handling of red curly chili, transportation and temporary storage are critical step due to high losses. The objcctives of this study were to analyze the effect of packaging material and low temperature storage on the quality changes of fresh red curly chili and to determine the optimum combination of packaging material and temperature storage. After being harvested, samples of red curly chili were sorted and packed in differents packaging material of 3 kg and transported to the laboratory within 5 hours at ambient temperature condition. During storage period, the visual appearance, change in respiration rate, weight loss, firmness and color were measured. Waring, plastic sack and polipropilene plastic were selected as packaging materials, temperature of 10, 15OC and ambient temperature were set as storage temperature. The results show that packaging material and temperature storage influenced the respiration rate, weight loss and firmness of red curly chili. Lightness (L*) correlated only with packaging material. The interaction between packaging material and temperature storage has only correlation with weight loss. The highest losses of 21.06±0.4 was resulted for the combination of waring packaging at room temperature. The lowest losses of 0.12%±0.1 was found for the combination of polipropoline plastic packaging at 10OC. The longest storage period up to 29 days was found for those red curly chili stored at combination of polipropilene plastic packaging at 10OC.

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Home Page

OAI Link

Editorial Team

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Contact Name Rokhani Hasbullah

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Location Kota bogor, Jawa barat INDONESIA

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Contact Name
Rokhani Hasbullah

Contact Email
rokhani.h@gmail.com

Phone
-

Journal Mail Official
jurnaltep@yahoo.com

Editorial Address
-

Location
Kota bogor,

Jawa barat

INDONESIA