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Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian

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Published by Institut Pertanian Bogor

ISSN : 20888732 EISSN : 27225232 DOI : https://doi.org/10.29244/jstsv

Core Subject : Economy, Health, Science, Agriculture, Social,

Agriculture, Biological Sciences & Forestry Computer Science & IT Economics, Econometrics & Finance Social Sciences Veterinary

Jurnal Sains Terapan (JST) publishes articles in Applied Science, Applied Agriculture, Applied Technology-Information, and Applied Agribusiness issues.

Arjuna Subject : Umum - Umum

Articles 9 Documents

Search results for , issue "Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014" : 9 Documents clear

Aplikasi Probiotik Bacillus NP5 Bentuk Segar dan Mikrokapsul Untuk Pencegahan Infeksi Aeromonas hydrophilla Pada Ikan Mas (Cyprinus caprio) (Application of the Fresh Culture and Microencapsulated of Bacillus NP5 Probiotic to Prevent Aeromonas hydrophilla infection on Common Carp (Cyprinus carpio)) Widanarni Widanarni; Alit Brilliant; Sukenda Sukenda
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

This study aimed to evaluate the effectiveness of fresh culture product and microencapsulated Bacillus NP5 for the growth performance and immune response of common carp infected by Aeromonas hydrophilla. The 5.09 ± 0.01g common carps were reared in aquarium and fed 3 times a day for 30 days. The dose of probiotic added to feed was 1%. The treatments in this study were positive and negative control (K+ and K-; without probiotic addition), the addition of fresh culture probiotic (A), and the addition of microencapsulated probiotic (B). Each treatment was repeated in 3 replications. On day 31, the fish of K+, A, and B were injected by 0.1mL (107cfu/mL) A. Hydrophilla. While the fish of K- were injected by phosphate buffer saline (PBS). The post-infection observation was carried out for 14 days. Treatment B showed the better results which were 96% survival rate, 2.66% of daily grown rate, 1.65 of feed conversion ratio, total bacteria in the intestine and immune response which were better than control.Keywords : Bacillus NP5, fresh culture, microencapsulated, Aeromonas hydrohilla, common carp

Karakteristik Asam Resin Kopal Agathis loranthifolia Sukabumi (Characteristic Resin Acid of Kopal Agathis loranthifolia Sukabumi) Ika Resmeiliana; Kurnia Sofyan; Suminar S. Achmadi
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

Copal is originated from the exudate of Agathis loranthifolia tree, which flows out from tapping. copal is one of Indonesia's export comodities. Unfortunately, since the export was still in the form of raw materials, it was necessary to study the identification of resin acid content of the copal of Sukabumi. It was also necessary to test the quality of the copal. Extraction was done by using acetone: MeOH (9:1) solvent. Then the extraction of resin acid content was identified by using Gas Chromatography Mass Spectrometry (CGMS). The quality of copal was evaluated based on SNI 7634-2011. Resin acids of the copal which were identified by CGMS are limonene (44%), ethylene oxide hexamer, cis-limonene oxide, toluene, trans-carveol, 2-siclohexane-1-one, trans-limonene oxide, and alpha pinene. Copal of Sukabumi belong to the first class, because the obtained parameters are not all included in the premier class ranges. However it is still possible to be upgraded to their premier class by removing the dirt.Keywords : Agathis loranthifolia, copal, limonene, resin acids.

Invigorasi dan Pengaruhnya Terhadap Pertumbuhan Bibit Iles-iles (Amorphophallus muelleri Blume) (Invigoration and Its Impact on Seedling Growth of Iles-iles (Amorphophallus muelleri Blume)) Edi Santosa; Anas Dinnurrohman Susila; Adolf Pieter Lontoh
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

The experiments of vacuum-asisted seed invigoration was conducted in Bogor, Indonesia, in order to increase crop production of iles-iles (Amorphophallus muelleri). This research was conducted in two series of experiments. The first experiment was conducted to determine the level of vacuum. The research was using 5 treatments i.e., control 1 (soaked in the water), control 2 (soaked in a solution of 2% N), control 3 (vacuum in water media), vacuum in solution containing 2% N, 4% N, 2% NPK (2:1:1), 4% NPK, vacuum in solution of supplementary liquid fertilizer (PPC) 2% and 4% PPC. The results of of the first experiment showed that the vacuum treatment increased the germination of iles-iles, the best vacuum pressure was -250mmHg. In the second experiment, the vacuum in a solution 4% PPC generated the highest growth followed by vacuum in 2% solution of NPK and 4% of PPC. In addition, the vacuum in the nutrient solution over 4% lead to inhibition of growth. The implication of this study is that the provision of nutrients in the seeds can increase plant growth of iles-iles. Vacuum treatment can enhance the effectiveness of invigoration.Keywords : NPK, PPC, seed treatment, starter solution, vacuum

Dispersi Polutan Karbon Monoksida di Sekitar Pintu Tol Baranangsiang Bogor (Carbon monoxide Dispersion in the Vicinity of Baranangsiang Toll Gateway in Bogor) Yudith Vega Paramitadevi
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

Over the past decade, emission from carbon monoxide (CO) has risen due to the increase of vehicles per year. Bogor as a weekend tourist tour town has a heavy burden in the terms of the volume of motor vehicles. The object of this study is Baranangsiang Bogor toll gateway, where queue of motor vehicles is often the case, and allegedly produces many pollutants CO. This study was conductes to simulate the CO concentration by the method of Finite Length Line Source (FLLS) aroung Baranangsiang Bogor toll gateway and recapitulate types of diseases associated with CO impacts on communities around the toll is in line with the pattern of increase in the volume of vehicles at 6% per years. Based on the result of measurements and simulations that were conducted on four sampling points within 20 m and 190 m from the sources pollutions on 26th August to 1st September 2014, the concentration of CO is still within the range of quality standards in accordance with Regulation No. 41 of 1999 which is 634-9189 µg/Nm3. Dispesion of pollutants CO dominantly heading Eastwards with the wind speed measurements 1.5-5.2 m/s and atmospheric stability class B. Kampung Sawah RT 02 RW 07is exposed to higher CO. Recapitulation of medical records showed that CO intoxication suspected cases of the disease are more common in Kampung Sawah housing than IPB Baranangsiang 4 Settlement.Keywords : Baranangsiang Toll Gate, Carbon Monoxide, CO Intoxication, Dispersion CO

Verifikasi Metode Uji Arsen dalam Contoh Mainan Anak dengan Spektrofotometer Serapan Atom Generator Uap Hidrida (Method Verification of Assay Arsenic in Toy Sample with Absorption Atomic Spectrophotometer Hydrid Vapor Generator) Fahrizal Hazra; Susanti Pratiwi Purnama; Suri Mulyani Sari
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

The safety of toys as one of important factors needs to be considered. It can be seen from the presence of heavy metals such as arsenic (As). The analysis of heavy metal arsenic in children's toys can use the verified SNI ISO 8124-3 : 2010 method. Verification activities are needed to verify that the laboratory is able to perform a test which is using such method, and the result are valid. Parameters used in this verification were linearity, limit of detection (LOD), limit of quantitation (LOQ), precision, and accuracy. Based on the verification result of Assay Arsenic in toys with Atomic Absorption Spectrophotometer Hydrid Vapor Generator (HVG), good liearity had a correlation coefficient (r) of 0.9993. The limit of detectin (LOD) and limit of quantitation (LOQ) obtained was 0.0113 mg/Kg and of 3.39%. The accuracy had a recovery value 97.66%. The experimental results showed that the Assay Arsenic in toys with Atomic Absorption Spectrophotometer Hydrid Vapor Generator (HVG) can be used as routine analysis.Keywords : arsenic, atomic absorption spectrophotometer, hydrid vapor generator, verification

Analisis Efisiensi Teknis pada Usaha Peternakan Sapi Perah Rakyat di Kecamatan Lembang (Technical Efficiency Analysis of Smallholder Dairy Farming at Lembang) Anggraeni Efrika Cahyawati; Bagus Priyo Purwanto; Suryahadi Suryahadi
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

This study aims to analyze the level of techincal production efficiency of smallholder dairy farming at Lembang, West Java Province. Data were collected from selected 60 farmers by using proportionate stratified judgemental sampling method. The respondents were categorized into two groups based on lactating cow : category 1 = 1-5 lactating cows, and category 2 = 6-10 lactating cows. Each category comprised of 30 respondents. The data analysis in this study used stochastic frontier production. The result of the analysis of category 2 indicated that the presence of technical inefficiency had effects in milk production by the significant estimated gamma coefficient, the likelihood ratio test and the predicted technical within farmers. The estimated gamma parameter (ɣ) of model for production function was 0.99, indicating about 99 percent of variation in output milk among farmers was due to differences in their technical efficiencies. The result indicated that smallholder dairy farming in Lembang is efficient with an average of technical efficiency of 91 percent. Factors influencing production efficiency are farmer's age, farming experience, and livestock ownership.Keywords : dairy farms, technical efficiency, stochastic frontier analysis

Nilai Tambah pada Tindakan Pascapanen Curing, Pengeringan Askip dan Penyimpanan Bawang Merah Tingkat Petani (Studi Kasus Kabupaten Cirebon) (Added Value of Curing Treatment, Askip Drying, and Postharvest of Shallot in Farmers) Sazli Tutur Risyahadi; Emmy Darmawati; Y Aris Purwanto
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

Added value of curing treatment, askip drying and storing are used for knowing the benefit of shallot postharvest process. Postharvest technique of shallot makes longer shelflife but adds cost. The method adopted in the study relied on informal interview with key informants and a number of participants at different stages of postharvest chain including the producers of shallot. Data was calculated by Hayami method. The results of the study showed that curing process has losses up to 20% and margin at Rp 1.050. The storage of shallot showed different margin between conventional and cold storage. There is higher margin of cold storage than conventional. Loss at cold-storage is only 15%for 2 months. Cold-storage margin is Rp 4.025 per kg, higher than the conventional one, which is only Rp 725 per kg.Keywords : added value analysis, Hayami method, postharvest of shallot

Pengaruh Kualitas Produk Sayuran Organik Terhadap Kepuasan Konsumen dalam Membentuk Loyalitas Pelanggan (The Effect of Organic Vegetable Product Quality to Customer Satisfaction in Creating Customer Loyalty) Nurul Hidayati; Ma'mun Sarma; Muhammad Syamsun
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

Development of organic vegetables in Bogor is still having problems. One is the failure to maintain market confidence. Failure is reflected in the behavior of consumers who are reluctant to buy organic product prevent consumers to buy back the organic products. This shows people confidence to attributes and benefits of organic products (organic vegetables) are not able to meet theor needs and create satisfaction in the minds of consumers so that customer loyalty can be realized. This study aimed to asses the effect of organic vegetable product quality to customer satisfaction and customer loyalty, and customer satisfaction to customer loyalty in Bogor city. The results of this study indicate that the quality of organic vegetable products directly gives positive and significant effect to customer satisfaction, customer satisfaction directly gives positive and significant effect to customer loyalty; and the quality of organic vegetable product through customer satisfaction indirectly gives positive and significant effect to customer loyalty. The quality of the product directly gives positive effect to customer loyalty, but it's not significant.Keywords : customer loyalty customer satisfaction, organic vegetables, product quality, Structural Equation Modeling

Peran Knowledge Management dan Organizational Learning Terhadap Inovasi Produk pada Usaha Kecil Menengah Olahan Pangan di Bogor (Relationship between Knowledge Management (KM) and Organizational Learning (OL), and Their Impacts on Product Innovation in SMEs Food Processing at Bogor) Irwan Siswanto; M. Syamsul Maarif; Mukhamad Najib
Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Vol. 4 No. 2 (2014): Jurnal Sains Terapan, Volume 4, Nomor 2, Tahun 2014
Publisher : IPB University

The purpose of the study is to establish tbe relationship between knowledge management (KM) and organizational learning (OL), and their impacts on product innovation in SMEs food processing. 60 SMEs in food processing industry were selected in Bogor, and structural equation modeling (SEM) SMART PLS was applied to test the hypotheses in this research model. The result showed that the knowledge manangement (KM) and organization learning (OL) have a positive relationship. Knowledge manahement does not have positive effect on product innovation, while the organizational learning gives positive effect on product innovation.Keywords : Knowledge Management, Organizational Learning, Product Innovation, Small Medium Enterprise (SME)

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