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INDONESIA
Jurnal AGROTEKNOLOGI
Published by Universitas Jember
ISSN : 19781555     EISSN : 25024906     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroteknologi terbit 2 (dua) nomor per volume, dan mempublikasikan hasil penelitian dalam bidang ilmu dan teknologi pertanian yang mencakup teknologi hasil pertanian, enjiniring pertanian, dan agroindustri. Selain itu, dimungkinkan membahas berbagai ulasan ilmiah, resensi buku, komunikasi singkat, dan paket industri yang terkait dengan agroteknologi.
Arjuna Subject : -
Articles 262 Documents
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ANALISIS PENENTUAN LOKASI PENGEMBANGAN KLASTER INDUSTRI BERBASIS SINGKONG DI KABUPATEN JEMBER Emi Kurniawati; Yuli Wibowo; Ida Bagus Suryaningrat
JURNAL AGROTEKNOLOGI Vol 13 No 02 (2019)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (885.046 KB) | DOI: 10.19184/j-agt.v13i02.9552

Abstract

Cassava-based industry in Jember Regency had good potential to be developed. The development could be done by forming industrial clusters. Cassava-based industrial clusters could be developed through determining potential locations. The study aimed to provide information about determining the location of the cassava-based industrial cluster development in Jember Regency. The study was conducted using the location quotient (LQ) method and the scalogram method. The results showed that the sub-districts in Jember Regency had potential locations for developing cassava-based industrial clusters, such as Kaliwates Sub-District, Patrang Sub-District, and Sumbersari Sub-District. The three sub-districts had advantages compared to other sub-districts in terms of the concentration of LQ values produced by cassava-based products. Scalogram results showed sub-districts in the highest service center hierarchy, i.e. Kaliwates Sub-District, Patrang Sub-District, and Sumbersari Sub-District. All three sub-districts had complete facilities compared to other sub-districts so that they could become centers of economy and trade. Based on the results of the LQ method and scalogram, the location of the cassava-based industrial cluster development in Jember Regency was determined in Kaliwates Sub-District, Patrang Sub-District, and Sumbersari Sub-District. Keywords: cassava, determination, development, location, industrial cluster
INDONESIAN NANOCLAYS FOR THE REMOVAL OF NITRATE IN LIQUID WASTE CONTAINING PALM OIL MILL EFFLUENT Untung Sudadi; Syaiful Anwar; Rendy Anggriawan; Tengku Afrizal
JURNAL AGROTEKNOLOGI Vol 13 No 02 (2019)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.587 KB) | DOI: 10.19184/j-agt.v13i02.15327

Abstract

Land application of liquid waste containing palm oil mill effluent (LW-POME) as soil ameliorant can cause water contamination due to its high content of nitrate if improperly treated. Indonesia is rich with volcanic tuff materials that contain variable charged soil clay minerals. This study was aimed at to extract nanoclays (fraction sized <200 nm) from volcanic tuffs of Mt. Salak, West Java, Indonesia, and evaluate their potential use as adsorbent of nitrate in LW-POME. By applying dispersion, ultrasonication, centrifugation, and dialysis separation techniques, it could be extracted positively charged nanoclays nc3 and nc4 from the respectively tuff materials tv3 and tv4. Their potential use as natural adsorbent of nitrate as anionic contaminant was evaluated using Langmuir isothermal adsorption model. After 48 h equilibration, it could be extracted 4.33 mg nc3/g tv3 and 7.73 mg nc4/g tv4 with nitrate adsorption maxima of 48.3 and 40 mg/g for nc3 and nc4, respectively. The removal of nitrate in the LW-POME from 62 to 20 mg/L as to comply with the Indonesian liquid waste quality standard required 29.81 mg nc3/L or 39.34 mg nc4/L. The extracted nanoclays were considered prospective to be utilized as natural adsorbent for nitrate removal in LW-POME. Keywords: anionic contaminant, natural adsorbent, nitrate adsorption, volcanic tuff
PENENTUAN JUMLAH PERSEDIAAN BAHAN BAKU PRODUK TEMPE DENGAN METODE ECONOMIC ORDER QUANTITY (EOQ) Noer Novijanto
JURNAL AGROTEKNOLOGI Vol 4 No 01 (2010)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (147.182 KB)

Abstract

Tempe is one of traditional and most delicious Indonesian food. Tempe is made up of soybean which is fermented to become tempe. Therefore management activities and stock controlling is very important for the company because its impact to the performance especially financially. Those activities often creating problem if not well manage, such as over stock or even creating stock out.This research was conducted to know the optimum soybean stock properly available by using economic order of quantity (EOQ) for a period of time. Result showed that before applying of EOQ the need for raw material for the production period of April 2010 was 2297 kg of soybean, while amount of raw material, while amount of raw material provided by that home industry or quantity of material ordered was 2655.8 kg. However, after applying EOQ it was known that the most economical stock ordered and frequent of stock. Stock ordered was 126,23 kg for 21 times of stock ordered in April 2010. Therefore, total cost for ordering raw material was reduced. Total cost by using EOQ was Rp 6,350.- in one period time of ordering, whilst without using EOQ was Rp 67,000.- causing in the reduction ordering cost in April 2010 Rp 134,650.--.Keywords: economic order of quantity, inventory, tempe
INVESTIGASI Bacillus cereus DAN Salmonella PADA NASI GORENG PEDAGANG KAKI LIMA DI SEKITAR KAMPUS UNIVERSITAS JEMBER Eka Ruriani; . Nurhayati
JURNAL AGROTEKNOLOGI Vol 4 No 01 (2010)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (409.963 KB)

Abstract

Food safety in fast food is very important to be observed, since it is potential to cause the incidence of food borne diseases. This research investigated the presence of two pathogenic microorganisms that are Bacillus cereus and Salmonella in fried rice, as one of fast food sold by street vendor around Jember University campus. The sampling was done three times at five location for every two hours started at six pm until ten pm in temperature 25-280C and RH 55-66%. The media used in this investigation were MYP for B. cereus and some media (LB, SSA, BSA, SCB, TSIA, and LIA) for Salmonella. The result founded that seven samples contamined by B. cereus, four samples contamined by Salmonella (S. parathypimurium B or C) and three samples contamined by another pathogens which were suspected as Yersinia enterolitica or Vibrio cholerae.Keywords: Bacillus cereus, food borne disease, fried rice, Salmonella
PEMBUATAN ASAP CAIR TANDAN KOSONG KELAPA SAWIT UNTUK PENGAWET DAN FLAVOURING IKAN PINDANG KEMBUNG (Rastrelliger sp.) Lina Widawati; Budiyanto Budiyanto
JURNAL AGROTEKNOLOGI Vol 8 No 01 (2014)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (306.649 KB)

Abstract

Solid waste from oil palm factory such as oil palm fruit bunches can polute environment it if doesn’t get an appropriate treatment. This research tried to investigate the use of oil palm fruit bunches for liquid smoke that is used in making boiled salted Kembung (Rastrelliger sp.) fish. The objective of this research is to find the effect of liquid smoke from oil palm fruit bunches on boiled salted kembung fish and also to evaluate the result from microbiologist and organoleptic of view. And also to investigate the economic value liquid smoke from oil palm fruit bunches when it is used for making liquid smoke. Boiled salted kembung fish was dyeing in liquid smoke 1%, 2%, and 3%, then do analyze Total Plate Count and organoleptic during storage on 0, 3, 5, and 7 days at room temperature. The result shows that boiled salted kembung fish on a microbiologically test as a control treatment only stand until the third day of storage, mean while with the application of liquid smoke 1%, 2%, and 3% the boiled salted kembung can stand until the seventh day of storage. From the organoleptic point of view, the panelists are prefer to consume the kembung fish with liquid smoke process. From the economic value, process of liquid smoke from oil palm fruit bunches is more potential than conventional process of oil palm fruit bunches.Keywords: liquid smoke, oil palm fruit bunches, boiled salted kembung fish, total plate count, organoleptic
SIFAT FISIK DAN ORGANOLEPTIK BERAS TIRUAN DARI MOCAF DAN TEPUNG JAGUNG DENGAN TEPUNG KETAN SEBAGAI BAHAN PENGIKAT Triana Lindriati; . Djumarti; Lila Ismawati
JURNAL AGROTEKNOLOGI Vol 8 No 01 (2014)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (257.167 KB)

Abstract

Indonesian is the greatest consumer of rice in the world. Their dependence on rice would bother national food security. The availability of artificial rice made from local materials is expected to overcome food security problem. Cassava and corn flour with glutinous rice flour addition as binding agent expected could produce good properties of artificial rice. This research used Modified Cassava Flour (MOCAF) to replace cassava flour. The experiment divided two levels and every level used factorial design with one factor. There were two levels which glutinous rice flour addition was factor in the first level and MOCAF and corn flour composition was factor in the second level. The best values of physical characteristic in the first level are 0% of glutinous rice flour addition with swelling power 94,16%, rehydrating power 73,73%, lightness 84,59, and chrome 28,14, also 20% of glutinous rice flour addition with dispersed material value 5,60%. Whereas, the best sensory evaluation is 0% of glutinous rice flour with whole hedonic score 4,02. The glutinous rice flour addition would reduce the presentage of dispersed material and reduce score of sensory evaluation. In the second level, the best values of swelling power is 118,57%at 40% of MOCAF, dispersed material is 3,60%at 100% of MOCAF. Whereas the best value of rehydrating power is 77,43% at 0% of MOCAF, lightness 87,16%, and chrome 27,24. The best value of sensory evaluation is 0% of MOCAF with score 4,68. Increasing of MOCAF would reduce dispersed material and reduce score of sensory evaluation.Keywords: artificial rice,starch gelatinyzation, mocaf, glutinous rice flour
SIFAT-SIFAT PREBIOTIK RIPE BANANA CHIP (RBC) Musa sinensis Nurhayati Nurhayati; Tamtarini Tamtarini; Jayus Jayus; Eka Ruriani; Leni Nurul Hidayati
JURNAL AGROTEKNOLOGI Vol 8 No 01 (2014)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (92.712 KB)

Abstract

Ripe banana chip (RBC) Musa sinensis is one type of ripe banana chip that can be processed by using the vacuum frying technology combined with freezing process. This technology could affect the prebiotic properties of the RBC product. Therefore, this research aims to evaluate the prebiotic properties of ripe banana chip (RBC). Insoluble indigestible fraction (IIF) was isolated from RBC by enzymatic method. using. The prebiotic properties of IIF were based on their ability to increase probiotic population and decrease enterobactericeae (Eschericia coli and Salmonella sp.) population in the volunteers fecal, profile of short chain fatty acids (SCFA) and the value of prebiotic index (IP). The results showed that Frozen vacuum-RBC and vacuum-RBC were able to increase the probiotic growth about 1-2 log of the bacterial population, but unable to decrease enterobactericeae population. Vacuum-RBC was higher to produce butyric acid (3.46 mM) than frozen vacum-RBC and higher of IP (0.39) than RBC frozen vacuum (0.04). It can be concluded that vacuum-RBC have better prebiotic properties than frozen vacuum-RBC.Keywords: ripe banana chip (RBC), vacuum frying, freezing, short chain fattry acid, prebiotic index
MODEL MATEMATIKA PERTUMBUHAN JUMLAH ANAKAN DAN TINGGI TANAMAN PADI YANG DITANAM DENGAN METODE SRI Murtiningrum Murtiningrum; Willy Adi Purba; Sewan Delrizal Lubis; Wisnu Wardana
JURNAL AGROTEKNOLOGI Vol 5 No 02 (2011)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (605.875 KB)

Abstract

The food requirement in Indonesia is highly dependent on rice and its requirement is increasing. On the other hand, the avalability of natural resource especially land and water are getting more limited. Consequently,there is a need to increase rice production with efficient resources. On the other hand, there is a necessity to apply sustainable agriculture. SRI (System of Rice Intensification) method was developed to deal with the problems. In the field, the SRI method still shows a wide variation of yields, therefore researches are necessary to reveal the phenomena behind this method. This paper aims to develop mathematical models of rice tillers and plant height of rice growth as well as to compare the growth of rice plants at several locations and treatments. Mathematical models developed were the rice tillers’ growth model which follow the exponential polynomial function order 2 and the crop heights model which follow the monomolekuler function. The number of seedlings from one seed planted in SRI would result more tillers than conventional crops after more than 30 days after planting. Conventional crop height was relatively higher than that of SRI because close spacing and inorganic fertilizers trigger vegetative growth.Keywords: mathematical model, SRI, crop physiology, rice
KEKUATAN GESER TANAH PADA BERBAGAI DOSIS PUPUK ORGANIK GRANUL Gatot Pramuhadi; Dymaz Gonggo Yuda Arditha
JURNAL AGROTEKNOLOGI Vol 5 No 02 (2011)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.262 KB)

Abstract

Plants can grow and reach maximum production on optimum soil condition. Plants growth and agricultural machines application in farm fields were influenced by physical, chemical, and mechanical properties of soil. Granule organic fertilizer (GOF) application with a certain dosage could influence physical, chemical, and mechanical properties of soil. The objective of the research was to analyse interaction relationship between physical and mechanical soil properties alterations on GOF dosages variation. Soil consistency test, compaction test (Proctor’s test), and direct shear test were applied to soil samples on GOF dosages variation. Research results showed that the increasing of GOF dosages from 0 ton/ha up to 90 tons/ha would increase soil posity of (49.43-55.85)%, soil moisture content of (24.14-49.97)%, plastic limit of (35.96-41.82)%, and liquid limit of (56.01-61.75)%, but it would decrease maximum soil dry bulk density of (1.34-1.17) g/cc. Soil shear strength decreased from (0.91-1.41) kgf/cm2 down to (0.42-0.58) kgf/cm2 by the decreasing of soil dry bulk density of (1.14-1.09) g/cc and soil cohesion of (0.68-0.34) kgf/cm2 which resulted by the increasing of the GOF dosages.Keywords: soil shear strength, granule organic fertilizer, soil density, and soil cohesion
KELAYAKAN FINANSIAL AGROINDUSTRI PEKTIN DAN PAKAN TERNAK TERFERMENTASI BERBAHAN BAKU KULIT PISANG Shanti Akhiriani; Soetriono Soetriono; Nurhayati Nurhayati
JURNAL AGROTEKNOLOGI Vol 8 No 02 (2014)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.491 KB)

Abstract

Banana peel has the potential to be processed into pectin and fermented feed products. This study aims to determine the financial feasibility of the agro-industry of banana peel pectin and fermented feed, and sensitivity to the increasing of the raw material prices, rising prices and declining selling prices. The study used a descriptive and analytical approach. The results showed that pectin agro-industry and fermented feed from banana peel as raw material feasible to be developed based on five criteria: Net Present Value (NPV), Gross B / C, Net B / C, Internal Rate of Return (IRR) and Payback Period (PP). Banana peel pectin agroindustry was feasible to manage based on five financial feasibility criteria, including: (1) Net Present Value (NPV) of IDR 720,114,699.00 (> 0); (2) Gross B/C of 1.06 (> 1); (3) Net B/C of 2.34 (> 1); (4) Internal Rate of Return (IRR) of 40.89% (> 13%); and (5) Payback Period (PP) of 2.9 (<10 years). Fermented animal feed agroindustry was feasible to manage based on five financial feasibility criteria, that is: (1) NPV of IDR 366,118,110.00 (> 0); (2) Gross B/C of 1.16 (> 1); (3) Net B/C of 1.93 (> 1); (4) IRR of 32.54% (> 13%); and (5) PP of 3.7 (<10 years).Keywords: financial feasibility, banana peel, pectin, fermented feed, sensitivity

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