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All Journal EKUIVALEN - Pendidikan Matematika Jurnal technoscientia Jurnal Penelitian Tanaman Industri Buletin Tanaman Tembakau, Serat & Minyak Industri Pharmascience BERITA BIOLOGI Jurnal Ilmu dan Riset Akuntansi AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Jurnal Kebidanan Abdimas Dewantara SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Metalurgi JURNAL FARMASIMED (JFM) Pedagogiana - Jurnal Pendidikan Dasar Dinasti International Journal of Education Management and Social Science Jurnal Berdaya Mandiri Indonesia Berdaya JURNAL TEKNOLOGI TECHNOSCIENTIA Jurnal Insan Farmasi Indonesia JOURNAL LA MEDIHEALTICO Madu : Jurnal Kesehatan Journal Midwifery Jurusan Kebidanan Politeknik Kesehatan Gorontalo Bioed : Jurnal Pendidikan Biologi Jurnal Edu Research Jurnal Ilmiah Ibnu Sina (JIIS): Ilmu Farmasi dan Kesehatan Jurnal Pustaka Mitra : Pusat Akses Kajian Mengabdi Terhadap Masyarakat CHEMTAG Journal of Chemical Engineering Inovasi Pendidikan Fisika Formosa Journal of Science and Technology (FJST) Pharmaceutical Sciences and Research (PSR) Berita Sedimentologi Jurnal IAKP: Jurnal Inovasi Akuntansi Keuangan & Perpajakan Cerdika: Jurnal Ilmiah Indonesia Badranaya: Jurnal Pengabdian kepada Masyarakat Prohealth Journal Journal of Community Empowerment Mohuyula : Jurnal Pengabdian Kepada Masyarakat Jurnal Sains dan Kesehatan Clinical and Pharmaceutical Sciences Journal

Sri Mulyaningsih

Balai Penelitian Tanaman Pemanis dan Serat

Author-ID : 324704

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Pengaruh Cekaman Air Terhadap Karakter Fisiologis Tembakau Temanggung dan Kaitannya dengan Hasil dan Kadar Nikotin Rajangan Kering Djumali, .; Mulyaningsih, Sri
Buletin Tanaman Tembakau, Serat & Minyak Industri Vol 5, No 2 (2013): Oktober 2013
Publisher : Balai Penelitian Tanaman Pemanis dan Serat (Balittas)

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Tembakau temanggung ditanam pada akhir musim penghujan sehingga sering mengalami cekaman air dan berakibat pada penurunan hasil dan kadar nikotin rajangan kering. Penelitian bertujuan untuk mengetahui pengaruh cekaman air terhadap karakter fisiologis tembakau temanggung serta kaitannya dengan hasil dan kadar nikotin rajangan kering. Penelitian dilakukan di rumah kaca Balittas Malang pada MaretâOktober 2010 dengan menggunakan Rancangan Petak Terbagi dan diulang 3 kali. Petak utama terdiri atas 3 jenis tanah yakni Komplek Eutrudepts-Hapludalfs, Komplek Dystrudepts-Hapludalfs, dan Vitraquands. Anak petak terdiri atas 5 tingkat kelembapan tanah (60, 70, 80, 90, dan 100% dari kapasitas lapangan). Hasil penelitian me-nunjukkan bahwa cekaman air pada tiga jenis tanah berpengaruh negatif terhadap konduktivitas stomata, laju fotosintesis, hasil dan kadar nikotin rajangan kering, serta berpengaruh positif terhadap bobot spesifik daun. Pengaruh cekaman air terhadap hasil rajangan kering terjadi melalui penurunan konduktivitas stomata dan laju fotosintesis selama fase setelah pemangkasan. Pengaruh cekaman air terhadap kadar nikotin terjadi me-lalui penurunan konduktivitas stomata sebelum pembungaan dan setelah pemangkasan, penurunan laju fotosintesis setelah pemangkasan, dan peningkatan bobot spesifik daun setelah pemangkasan.Â Temanggung tobacco is grown at the end of wet season which so often experience water stress. Water stress can decrease dry slice yield and nicotine content. The study was aimed to determine the effect of water stress on physiological characteristics of temanggung tobacco and its relation to dry slice yield and nicotine content. Research was conducted in greenhouse of Indonesian Sweetener and Fibre Crops Research Institute, Malang from March to October 2010 using splitplot design and repeated three times. The main plot consisted of three types of soil (Complex Eutrudepts-Hapludalfs, Complex Dystrudepts-Hapludalfs, and Vitraquands). The Subplot consisted of five soil moisture levels (60, 70, 80, 90, and 100% of field capacity). The results showed that water stress on the third series of the soil negatively affect stomatal conductivity, the photosynthesis rate, dry slice yield and nicotine content, as well as the positive effect on specific leaf weight. Effect of water stress on dry slice yield occurred through the decrease of stomata conductivity and photosynthetic rate during the phase after topping. The effect of water stress on nicotine content occurred through a reduction in stomatal conductivity before flowering and after topping, decrease of photosynthetic rate after topping, and increase of specific leaf weight after topping.

Pengaruh Macam Tanaman Sela Terhadap Pertumbuhan Dan Hasil Jarak Pagar (Jatropha curcas L.) Hasil Rehabilitasi Tahun Ketiga Mulyaningsih, Sri; Hariyono, Budi
Buletin Tanaman Tembakau, Serat & Minyak Industri Vol 5, No 2 (2013): Oktober 2013
Publisher : Balai Penelitian Tanaman Pemanis dan Serat (Balittas)

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Pada pertanaman jarak pagar yang masih muda (umur 1â2 tahun) dengan jarak tanam 2 m x 2 m ada lahan kosong yang tidak termanfaatkan. Upaya optimalisasi pemanfaatan lahan adalah menanam tanaman sela, sehingga petani mempunyai pendapatan dari tanaman sela sebelum jarak pagar menghasilkan. Penelitian ini bertujuan untuk mengetahui pengaruh tanaman sela terhadap pertumbuhan dan hasil jarak pagar dan men-dapatkan macam tanaman sela yang sesuai pada jarak pagar hasil rehabilitasi (penyambungan) pada tahun ketiga. Penelitian dilaksanakan di Kebun Percobaan Muktiharjo, Kabupaten Pati, Jawa Tengah mulai bulan Januari hingga Desember 2011, menggunakan rancangan acak kelompok diulang enam kali. Perlakuan yang diuji adalah: 1) jarak pagar + kacang tanah, 2) jarak pagar + kedelai, 3) jarak pagar + kacang hijau, 4) jarak pagar + wijen, dan 5) jarak pagar tanpa tanaman sela. Ukuran petak 8 m x 8 m, jarak tanam jarak pagar 2 m x 2 m. Jarak tanam tanaman sela kacang tanah, kedelai, dan kacang hijau masing-masing 25 cm x 25 cm, sedangkan jarak tanam wijen 50 cm x 25 cm. Hasil penelitian menunjukkan bahwa hasil biji kering tanaman jarak pagar dengan tanaman sela kedelai, kacang hijau, dan wijen tidak berbeda nyata dengan hasil biji kering jarak pagar monokultur kecuali dengan kacang tanah. Hasil biji kering jarak pagar + kedelai 655,87 kg/ha + 1.316,07 kg/ha; jarak pagar + kacang hijau 644,70 kg/ha + 1.557,5 kg/ha; jarak pagar + wijen 511,49 kg/ha + 1.416,67 kg/ha; jarak pagar + kacang tanah yaitu 358,31 kg/ha + 1.015,28 kg/ha; dan hasil biji kering tanaman jarak pagar tanpa tanaman sela 602,27 kg/ha. Tumpang sari jarak pagar dengan keempat macam tanaman sela (kacang tanah, kedelai, kacang hijau, dan wijen), efisien dalam pemanfaatan lahan dan layak secara ekonomi untuk ditanam dan dikembangkan bersama dengan tanaman jarak pagar rehabilitasi tahun ketiga dengan nilai NKL masing-masing: 1,32; 1,64; 1,98; 1,72 dan B/C ratio 4,79; 1,88; 5,71; 7,03.Â In young jatropha plantation (1â2 years aged) with 2 m x 2 m spacing there is fallow land. The effort to optimize of land use was by planting intercrops, so that the farmers get income before the jatropha plant produce. This study aimed to determine the effect of intercrops on growth and yield of jatropha and get suitable intercrops in the jatropha rehabilitated plantation (by grafting) in the third year. Research was conducted at Muktiharjo Research Station, Pati, Central Java from January to December 2011. The experiment was arranged in randomized block design with 6 replications. Treatments were 1) intercropping physic nut + peanut, 2) intercropping physic nut + soybean, 3) intercropping physic nut + mungbean, 4) intercropping physic nut + sesame, and 5) physic nut monoculture. Plot size was 8 m x 8 m, plant distance of physic nut were 2 m x 2 m, and plant distances for peanut, soybean, and mungbean were 25 cm x 25 cm and for sesame was 50 cm x 25 cm. Result showed that intercropping was not significantly effect on seed yield of physic nut, however intercropping physic nut with peanut decreased the physic nut seed yield. Seed yield of intercropping physic nut + soybean 655.87 kg/ha + 1,316.07 kg/ha; physic nut + mungbean 644.70 kg/ha + 1,557.55 kg/ha; physic nut + sesame 511.49 kg/ha + 1,416.67 kg/ha; physic nut + peanut 358.31 kg/ha + 1,015.28 kg/ha; and physic nut monoculture 602.27 kg/ha. Intercropping physic nut with four kinds of intercrop plant (peanut, soybean, mungbean, and sesame), efficient land use and economically viable for the grown and developed along with physic nut rehabilitation third year with the value of each land equi-valent ratio (LER) 1.32; 1.64; 1.98; 1.72 intercropping and B/C ratio 4.79; 1.88; 5.71; and 7.03.

PATOGENISITAS DUA ISOLAT LOKAL JAMUR Nomuraea rileyi (FARLOW) SAMSON TERHADAP Helicoverpa armigera HUBNER (LEPIDOPTERA: NOCTUIDAE) INDRAYANI, IGAA.; PRABOWO, HERI; MULYANINGSIH, SRI
853-8212
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

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ABSTRAKEpizootik Nomuraea rileyi telah berkembang secara alami dalampopulasi lebih dari 30 spesies serangga inang, termasuk H. armigera.Penelitian ini dilakukan di Laboratorium Patologi Serangga BalaiPenelitian Tanaman Pemanis dan Serat Malang mulai Januari hinggaDesember 2011, tujuannya untuk mengetahui patogenisitas dua isolat lokaljamur entomopatogen N. rileyi terhadap larva H. armigera. Penelitianterdiri atas dua faktor perlakuan, faktor 1 adalah dua isolat lokal N. rileyi,yaitu ML 01 dan LG 02, dan faktor 2 adalah konsentrasi konidia, yaitu: 2,2x 10 5 ; 4,5 x 10 5 ; 2,2 x 10 6 ; 4,5 x 10 6 ; 2,2 x 10 7 ; 4,5 x 10 7 ; 2,2 x 10 8 ; 4,5 x10 8 konidia/ml, dan kontrol. Setiap perlakuan disusun dalam RancanganAcak Kelompok Faktorial dengan tiga kali ulangan. Aplikasi jamur padalarva H. armigera dilakukan dengan metode kontaminasi permukaanmedia yang berupa daun kapas muda (1cm 2 ) di dalam ruangan bersuhu25Â±1â°C dan kelembapan 75-80%. Parameter yang diamati adalahmortalitas larva, LC 50 dan LT 50 , serta bobot larva. Hasil penelitianmenunjukkan bahwa tingkat patogenisitas isolat ML 01 terhadap larva H.armigera lebih tinggi dibandingkan dengan isolat LG 02. Isolat ML 01menyebabkan mortalitas larva H. armigera antara 51,13-85,56% (LC 50Â =2,5 x 10 2Â Konidia/ml) dan isolat LG 02 antara 43,36-78,90%, (LC 50Â =5x10 6Â Konidia/ml). LT 50 isolat ML 01 antara 5,2-5,5 hari, sedangkan isolatLG 02 antara 6,8-7,0 hari, terutama pada konsentrasi 2,2-4,5 x 10 8konidia/ml. Terdapat korelasi positif yang erat antara konsentrasi konidiadan mortalitas larva baik pada isolat ML 01 (r=0,975) maupun LG 02(r=0,980), demikian pula antara konsentrasi konidia dan kehilangan bobotlarva pada isolat ML 01 (r=0,982) dan LG 02 (r=0,972).Kata kunci: Helicoverpa armigera, Nomuraea rileyi, patogenisitas, isolat,mortalitasABSTRACTThe epizootic of the fungi Nomuraea rileyi has naturally developedin more than 30 species of insect host population, including cottonbollworm, H. armigera. A study on pathogenicity of two local isolates ofNomuraea rileyi (Farlow) Samson fungi against Helicoverpa armigera(Hubner) (Lepidoptera: Noctuidae) was conducted at Insect PathologyLaboratory of Indonesian Sweeteners and Fibers Crops Research Institute(ISFCRI) in Malang from January to December 2011 in order to find outthe pathogenicity of the isolates against H. armigera larvae. This studyconsists of two factors as treatment. The first factor was N. rileyi isolates,e.g. ML 01 and LG 02, and the second factor were eight conidiaconcentrations, viz. 2.2 x 10 5 ; 4.5 x 10 5 ; 2.2 x 10 6 ; 4.5 x 10 6 ; 2.2 x 10 7 ; 4.5x 10 7 ; 2.2 x 10 8 ; 4.5 x 10 8 conidia/ml, and one untreated control.Treatments were arranged in Factorial Randomized Block Design withthree replications. Suspense of conidia was applied by surfacecontamination method of cotton leaf as medium at 25Â±1â°C of temperatureand 75-80% of humidity. Parameter observed were larval mortality, LC 50 ,LT 50 , and larval weight. Result showed that ML 01 isolate was morepathogenic against H. armigera larvae than LG 02 isolate based on larvalmortality, LC 50 , and LT 50 . Percentage of mortality of H. armigera larvaedue to ML 01 and LG 02 infection were 51.1- 85.56% and 43.36-78.90%,respectively. The LC 50 of ML 01 and LG 02 isolates was 5.2-5.5 days and6.8-7.0 days, respectively.There are closest positive correlation betweenconidia concentration and percentage of mortality on ML 01 (r = 0.975)and LG 02 (r = 0.980) isolates as well as between conidia concentrationand larval weight loss on ML 01 (r = 0.982) and LG 02 (r = 0.972)isolates.Key words: Helicoverpa armigera, Nomuraea rileyi, pathogenicity,isolate, mortality

PENGARUH PERPUTARAN KAS, PERPUTARAN PIUTANG DAN PERPUTARAN PERSEDIAAN TERHADAP PROFITABILITAS Mulyaningsih, Sri; Handayani, Nur
Jurnal Ilmu dan Riset Akuntansi (JIRA) Vol 4, No 4 (2015)
Publisher : STIESIA

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This research is conducted to test the influence of cash turnover, account receivable turnover and inventory turnover to the profitability on food and beverages companies which are listed in Indonesia Stock Exchange (IDX) in the 2009-2013 periods. The cash turnover, account receivable turnover, and inventory turnover are the independent variables. Meanwhile, the profitability is the dependent variable. The samples are food and beverages companies which are listed in Indonesia Stock Exchange (IDX) in the 2009-2013 periods. The sample collection method has been done by using purposive sampling method and 8 companies have been selected as samples. The multiple linear regressions are used as the analysis method.The result of this research shows that significantly cash turnover has influence to the profitability whereas the account receivable turnover and inventory turnover do not have any influence to the profitability. The value of adjusted R square is 0.251 which shows that 25.1% of ROA can be explained by the independent variables i.e.: cash turnover, account receivable turnover, and inventory turnover whereas the remaining is explained by the other variables outside this research. Â Keywords:Â Â Â Â Â Â Â Â Â Â Return on Assets, Cash Turnover, Account Receivable Turnover and Inventory Turnover.

PENGARUH TUMPANGSARI TERHADAP PERTUMBUHAN DAN HASIL PANEN JARAK PAGAR (Jatropha curcas L.) HASIL REHABILITASI [The Effect of Intercropping on Growth and Yield of Rehabilitated of Physic nut (Jatropha curcas L.)] Mulyaningsih, Sri; Hariyono, Budi
BERITA BIOLOGI Vol 11, No 3 (2012)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v11i3.500

A research to study the effect of intercropping on rehabilitated of physic nut (Jatropha curcas L.) was conducted in Muktiharjo Research Station, Pati, Central of Java, from January to December 2010. Plant materials were physic nut rehabilitated by grafting of main branch with IP-2A (1 year old) and intercrops (peanut, soybean, mungbean and sesame). The experiment arranged in randomized block design with 6 replications. The treatments were: 1) intercropping peanut + physic nut, 2) intercropping soybean + physic nut, 3) intercropping mungbean + physic nut, 4) intercropping sesame + physic nut, and 5) physic nut monoculture. Plot size was 8 m x 8 m, plant distance of physic nut 2 m x 2 m, and plant distance for peanut, soybean and mungbean were 25 cm x 25 cm and sesame was 50 cm x 25 cm. The result showed that jatropha seed yield on intercropping physic nut with soybean (980.05 kg/ha) and mungbean (974.22 kg/ha) were not significantly different from physic nut monoculture (1,094.84 kg/ha). Crop that appropriate for intercropped with rehabilitated physic nut (second year) were soybean and mungbean.

PERTUMBUHAN DAN PRODUKSI JARAK PAGAR (Jatropha curcas L.; Euphorbiaceae) PADA TIGA TINGKAT POPULASI TANAMAN DI LAHAN KERING BERPASIR [Growth and production of physic nut (Jatropa curcas L.; Euphorbiaceae) on three population levels in the sandy upland areas] Mulyaningsih, Sri; Djumali, Djumali
BERITA BIOLOGI Vol 14, No 3 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v14i3.1830

Seed production of Jatropha grown on dry land is very low. Productivity could be increased by increasing plant population size. This study aimed to obtain a plant population that was capable of supporting optimum growth and seed production on sandy upland. This research was conducted at the Asembagus Experimental Station, Situbondo, East Java from January to December 2012. The planting material used were seeds and cuttings. Three populations levels: (1) 2,500 plants ha-1 (2 m x 2 m), (2) 5,000 plants ha-1 (2 m x 1 m), and (3) 10,000 plants ha-1 (1 m x 1 m ) were arranged in a randomized block design with 5 replications. Destructive observations were made in each month to measure the dry weight of plants, shoot, root, leaf, and leaf area index.The production component were observed at harvesting time by measuring dry weight of fruit, fruit skin, seeds, 1000 fruits, and 1000 seeds. Data were analyzed by analysis of variance and LSD test of 5%. Results showed that the use of 10,000 plants ha-1 could increased dry weight of plants, shoots and roots by134.0-544.6%,125.9-549.4% and 167.8-693.3% respectively. They could also increased seed production by 77.5-178.2%.

PENGARUH KELEMBABAN TANAH TERHADAP KARAKTER AGRONOMI, HASIL RAJANGAN KERING DAN KADAR NIKOTIN TEMBAKAU (Nicotiana tabacum L; Solanaceae) TEMANGGUNG PADA TIGA JENIS TANAH [Soil Moisture Effects on Agronomic Characters, Yield and Nicotine Content of Temanggung Tobacco (Nicotiana tabacum L; Solanaceae) at Three Types of Soil] Djumali, Djumali; Mulyaningsih, Sri
BERITA BIOLOGI Vol 13, No 1 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Research on the effect of soil moisture on agronomic characters, yield and nicotine content of Temanggung tobacco has been conducted in the Research Institute for Tobacco and Fibre Crops at Malang, East Java from March to October 2010. The treatment has been arranged in a Splitplot design with 3 replications. The experimental plot consisted of three types of soil: Complex Eutrudepts-Hapludalfs, Vitraquands, and Complex Dystrudepts-Hapludalfs. The subplot comprised 5 levels of soil moisturation: 60, 70, 80, 90, and 100% of field capacities. The results showed that the dry slice yield, content of nicotine, and agronomic characters of the Temanggung tobacco were affected by the result of interaction between soil moisture and type. The decreasing of soil moisture up to 40% from field capacity in the Complex Eutrudepts- Hapludalfs had decreased dry slice yield, nicotine content, plant height, root length, dry weight of plant, shoots, roots, stems, leaves, flowers, and suckers accounted for 54.3, 19.3, 33.7, 17.1, 74.1, 71.4, 82.3, 80.1, 54.3, 60.5 and 86.5% respectively, in the Vitraquands 72.7,20.2, 37.0, 13.2, 79.8, 78.5, 84.3, 80.7, 72.7, 63.3 and 87.8% respectively, and in the Complex Dystrudepts-Hapludalfs 74.2, 23.0, 39.6, 15.7, 79.3, 78.0, 83.6, 80.3, 74.2, 79.1 and 80.6% respectively.

PENGARUH SUMBER PUPUK ORGANIK TERHADAP PENAMPILAN TEBU (Saccharum officinarum L.) PADA TATA TANAMBARIS GANDA BENIH GANDA [Effect of Organic Fertilizer Resources on Sugarcane (Saccharum officinarum L.) Performances in Double Rows Double Seeds Planting Arrangement] Busro, Djumali; Mulyaningsih, Sri; Basuki, Teger
BERITA BIOLOGI Vol 17, No 1 (2018)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Increased productivity of sugarcane in upland area can be done through the implementation of the integration of manure with a high dose of inorganic fertilizer in the double rows and twice plant populations of single row (âdouble rows double seedsâ) planting arrangement. Limited availability of manure and inorganic fertilizer entails the replacement of manure with green manure fertilizer. The research wasÂ aimed to obtain a green manure as replacement manure that can be intercropped in the double rows double seeds planting arrangement. The experiment was done in the Asembagus Experimental Station, Situbondo, East Java on January to December 2014 for plant cane (PC) and from January to December 2015 for ratoon cane (RC). Treatments were arranged in a Randomized Block Design time for replication. The treatment includes (1) the four rows of Crotalaria juncea, (2) two rows of Crotalaria juncea, (3) four rows of peanuts in width between rows of sugar cane, (4) manure, and (5) no organic fertilizer. The results showed that the integration of organic fertilizer with a low dose of inorganic fertilizers increases productivity and sugar yield 5.20 to 41.78% and 33.33 to 69.90%, respectively in PC and 7.33 to 32.67% and 5.74 to 29.61%, respectively in RC from no organic fertilizer. Four rows of Crotalaria juncea could replace the role of manure in improving the productivity and sugar yield for PC and two rows of Crotalaria juncea for RC.

ANALISIS DISTRIBUSI KERUSAKAN AKIBAT GEMPABUMI 27 MEI 2006 MELALUI PENDEKATAN KEGUNUNGAPIAN DI DAERAH WONOLELO DAN SEKITARNYA, KABUPATEN BANTUL, DAERAH ISTIMEWA YOGYAKARTA Mulyaningsih, Sri; Husadani, Y T; Devi, L R; Irawan, S N
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Northern Wonolelo area till Berbah was the areas with the most damaged generated by an earthquake of 27 May 2006. On the other hand, volcanic rocks within circular features characterize the areas. Palaeovolcanism had intensively deformed their lithology, generated normal faults and shear joints, in radial pattern with the axis of the vent. The earthquake force reactivated the existing faults and shears. Area with past central eruptions easier to deformed than the others. Volcanic-stratigraphy analyses found three periods of explosively volcanisms intersecting with composite volcanisms, created three escarpments separating each others. There fore, there were three zones of the most damaged areas according to the distributions of central eruptions; i.e Wonolelo and it vicinities, Sudimoro (Segoroyoso) and its vicinities, and Watuadeg-Senthong and its vicinities. Further subsurface research is necessary to verify the central of old volcano that caused the damages.

ANALISIS RESISTANSI PENTANAHAN SEBAGAI UPAYA UNTUK ANTISIPASI SAMBARAN PETIR DI DAERAH PERBUKITAN WILAYAH BANTUL Suyanto, Muhammad; Mulyaningsih, Sri
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 2 No 1 Agustus 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

The aim of this study was to find an information about varying soil resistant along residence area in Bantul Regency. The aim of the study is to compiling fixed grounding system. Factors controlling the grounding are ground resistivity, electrode resistivity, environmental condition, size and shape of the system. Ground resistivity needs a good grounding system, that accomplish to savety standard for people and its equipments. The ground system should be able to prevent dangerous caused by flash, whenever nuisance come out. It parposes to overcoming the current of ground system nuisance of electricity power, in order the power could be flowing to the ground, directly; not to the equipments. The resistivity data resulted from the field work measurements, shows some different va-lues in each place, that probably caused by different kinds of soils. For examples are re-gusol soil has a resistivity value of 22.05â„¦, latosol 17.04â„¦, and red mediteran 15.12â„¦. Grumusol soil has resistivity of 7.8â„¦, but after itâ€™s analyzed by grounding with 4 electrode, the value is decrease into 4.22â„¦. Those are caused by grumusol soil is clayy, while the other soils are sandy. Based of IEEE recomendation of ground resistivity values, home electricity should be <10â„¦, while for flash protection should be < 5â„¦. Up to now, the solu-tion for quenching the overload power, in order itâ€™s unable to damage the equipments, itâ€™s flowed to the ground directly.

Co-Authors -, Nova Anggreni . Djumali A. Hiola, Fidyawati Aprianti Ahmad, Ardha Nurul Ahmad, Zul Fikar Alamri, Luthfia Ali, Rizky Nikmathul Husna Anastasya, Yolanda Andhika Djalu Sembada Anggreni, Nova Annajmi, Annajmi Apriliani, Leni Arcat, Arcat Arief, Syachrul Arif Budi Setianto Arif Wardana, Muhammad Budi Hariyono Budi Priyono Busro, Djumali dabutar, afif handika De Budi Irwan Taofik Devi, L R Devi, L R Dina Tania DJUMALI DJUMALI, DJUMALI Dwi Indah Purnamawati, Dwi Indah Edhy Sutanta (Jurusan Teknik Informatika IST AKPRIND Yogyakarta) Emilliana Natalia Trisakti Susanti, Maria Endang Darmawan Ery Fatarina Purwaningtyas Euis Erlin Fathoni, Shalsabila Destyari Fatmah Zakaria, Fatmah Firsty, Girly Risma Gani, Samsul Abdul Habibi, Nurul Is'ad Hasan, Nuradnin Hasanah, Setia Nur Heri Prabowo Heriyadi, Nur Widi Astanto Agus Tri Hidayati, Fika Hiola, Fidyawati Aprianti A. Husadani, Y T Husadani, Y T Husna Ali, Rizky Nikmathul Husni Mubarak Ichwan Ridwan Rais IGAA. INDRAYANI, IGAA. Iis Wahyuningsih Imam Riadi Indrawati Wilujeng Irawan, S N Irawan, S N Ishak, Fifi Jussac Maulana Masjhoer Karwanto, Karwanto Katili, Dwi Nur Octaviani Katili, Tressan Eka putri Laila, Wahyu Kumil Leni Sri Mulyani Lestari, Taufika Putri Levana Sondakh Lusi Eka Afri Ma'la, Sidqi Yajidil Maghfirah, Rahmayani Manjurungi, Gia Arista Putri Maulani, Rakhil Meylina, Meylina Moch. Saiful Bachri Mufarrihul Hazin MUHAMMAD SHOLEH Muhammad Suyanto, Muhammad Mulyani, Eva Nining Sugihartini Nur Handayani Nur Mahdi Nur Rahmawati Nuraeni, Sinta Nurdin, St Surya Indah Nurdin, St.Surya Indah Nurrahmawati Nurul Hasanah Pertiwi, Citra Prakoso, Aditha Agung Priyanto, Sabda Elisa Rahayu, Hanifah Aulia Rahmandhala, Ilvan Dino Ranila, Suciati Rauf, Efri Leny Ria Indah Pratami Samuel Kristiyana Sanjoto, Siwi Santi Anggraeni Sapto Yuliani Septina, Norma Dewi Sidiq, Purnomo Siti Fatmawati Fatimah, Siti Fatmawati Suhartono Supratno, Haris Supriyadi, Asep Adang Susila, Aceng Ahmad Rodian Teger Basuki Umar, Siskawati Umboro, P A Vienastra, Septian Widayati, Wiludjeng Wiloso, Danis Agoes Wirono, Maryani Eka Wiwik Handayani Yosef Prihanto, Yosef Yuliandary Yunus Yunengsih, Yuyun

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