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BUANA SAINS

buanasains
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Published by Universitas Tribhuwana Tunggadewi

ISSN : 14121638 EISSN : 25275720 DOI : -

Core Subject : Science, Education,

Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics

BUANA SAINS p-ISSN : 1412-1638 | e-ISSN: 2527-5720 is a double-blind peer-reviewed, open-access journal, published by UNITRI PRESS. It publishes original and applied research in all areas of natural science. The Editorial goal is to provide a forum exchange and an interface between researchers and practitioners in any natural science related field.

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Articles 13 Documents

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Search results for , issue "Vol 8, No 1 (2008)" : 13 Documents clear

NILAI TAMBAH DAN PENYERAPAN TENAGA KERJA PADA INDUSTRI KECIL TEMPE DI DESA PANARUKAN KECAMATAN KEPANJEN KABUPATEN MALANG Wahyunindyawati Wahyunindyawati; Asnah Asnah
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The objective of this study were to analyze cost structure, added value and profit as well as absorption, incentives and labour share of tempe small scale industry. This study was conducted at a tempe production centre of Panarukan Village, Kepanjen District of Malang Regency. The analytical methods used were cost structure and added value analyses. Results of this study showed that for each process needed cost of more than Rp 181.000, that was dominated (90%) by variable costs. The net profit of each process was more than Rp 100.000. Conversion factor reached 2,86 and added value reached more than Rp 1.400 (added value ratio 21,44%), consisting profit of Rp 1.184,55/kg of row material (profit rate 54,46%) and labour incentive of Rp 218,01/kg of row material (labour share 14,86%). The labour absorption reached 1 MDE/process that was mostly family labour. Producer added value reached Rp 1.402/kg of row material, most of them as net profit and labour incentives

PENERAPAN MODEL KONVENSIONAL DAN HOUTHAKKER-TAYLOR DALAM MENGANALISIS PERMINTAAN BERAS DI JAWA TIMUR Asnah Asnah; Dyanasari Dyanasari
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

This research was aimed to recognize determinant factors influencing rice demand behaviour, income elasticity number, its price elasticity, cross price elasticity and rice demand number in East Java which are needed in incoming ten years. This research used secondary time series data during 32 years, starting from 1971 until 2002. The data was processed and analyzed with Houthakker-Taylor dynamic demand behavior analysis and conventional models. In the meantime rice demand projection was predicted by a technique developed by Ferris (1998). Analysis of results showed that the partial factors influencing toward rice demand in East Java were rice price of delta, corn price, corn price of delta, cassava price of delta, flour price of delta, inhabitants’ number of delta, income per capita of delta, and rice demand of lag. Houthakker-Taylor model is better than conventional model used for analyzing rice demand in East Java

BEBERAPA FAKTOR SOSIAL EKONOMI YANG MEMPENGARUHI TINGKAT ADOPSI PANCA USAHA PETERNAKAN SAPI PERAH Kusumahadi, Didik
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The purpose of this research was to elucidate the adoption grade of “Panca Usaha” of milking cow farmers and economic social factors influencing the adoption grade of “ Panca Usaha Peternakan sapi perah”. This research was a case study executed by survey technique in Pacet District of Mojokerto Regency. Samples of the research were 80 milking cow farmers that were selected using a stratified random sampling method. The data was analyzed using Rank Spearman’s correlation method and linear multiple regression model. The results showed that the adoption grade of cattle farmers was very much influenced by variables of education and knowledge. Cattle farmer’s grade adoption of “Panca Usaha” was distributed with high adoption grade of 10%, medium adoption grade of 68,75%, and low adoption grade of 21,25%. Intensity and quality dimensions of stratum I adoption grade were 2,5% high adoption, 10% medium adoption and 2,5% low adoption, while those of stratum II were 15% high, 45% medium and 0% low adoption

PERBAIKAN KETERSEDIAAN P DAN EFISIENSI SERAPAN P OLEH TANAMAN BAWANG PREI DENGAN PEMBERIAN ASAM-ASAM ORGANIK DAN CMA PADA TANAH Machfud Effendy
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

A study on the influence of organic acids and AMF application to availability of P before planting and after harvesting, as well as contribution to P absorption by Leek plant had been done. The treatments consisted of 2 combinations. There were 8 treatments for the first factor, i.e. control, oxalic acid (Ao), C2H2O4.2H2O (0,01 % and 0,02 %), citric acid (As), C6H8O7.H2O 0,01 % and 0,02 %), mix of Ao 0,01 % + As 0,01 %, Ao 0,02 % + As 0,02 %, and inoculation of AMF A.tuberculata. Treatments of the second factor were P-fertilizer and no P-fertilizer. The experiment was arranged in fully randomized design (FRD) with 3 replicates. Results of the study showed that application of organic acids at soil having high potency to P adsorption increased P availability before planting, but AMF inoculation did not give any effect. After harvesting, availability of P was lower than that of the control, nevertheless the treatment of AMF inoculation gave stabile availability of P. Organic acids did not contribute to plant in efficiency of P absorption, moreover at the mix of oxalic acid and citric acid to lower in efficiency

PENGATURAN LAJU MINERALISASI PANGKASAN Tithonia diversifolia DAN Lantana camara UNTUK MENINGKATKAN SINKRONISASI FOSFOR Yulia Nuraini; Neny Sukmawatie
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The effect of mixing of Tithonia diversifolia pruning which decomposes and mineralizes rapidly and Lantana camara pruning which decomposes and mineralizes slowly on rates of decomposition and mineralization of the prunings to improve synchronization between P released from the prunings with crop demand for P was studied in a laboratory and in a glasshaouse. Tithonia diversifolia pruning (Td), Lantana camara pruning (Lc), and farmyard manure (Pk) were thoroughly mixed with the proportion (% of dry weight) of : 25Td+75Lc; 50Td+50Lc; 75Td+25Lc; 90Lc+10Pk; 45Td+45Lc+10Pk; 100Td and 100Lc, and than mixed with 100 g of air-dried soil with a rate equivalent to 100 kg P/ha. Results of the study showed that the pruning mixtures decomposed and mineralized faster than that of Lantana camara pruning only, but slower than that of Tithonia diversifolia pruning only. The amount of P released from the mixtures increased with increasing proportion of Tithonia diversifolia pruning in the mixtures. Increasing proportion of Tithonia diversifolia pruning in the mixture applied to the soil increased the amount of P taken up by maize

ANALISIS PROSES DAN FINANSIAL INDUSTRI KECIL MIE PANGSIT WAHYU AGUNG JAYA MALANG Wahyu Mushollaeni
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The aims of this research were to elucidate the process and financial aspect of making boiled noodles in small scale industry Wahyu Agung Jaya Malang. Data was collected through observation and interview. Materials used for making boiled noodles were flour, tapioca, water and NaCl. The processes were mixing, pressing, dividing, boiling, cutting, drying, cooling and packing. The factory has a standard to controlling the process to produce good quality of product. Sanitation was applied in facilities, machines, employess and other facilities. NPV, IRR and PBP values were 69.261.988,98.; 0,41 or 41%; and 3 years and 4 months. Production capacity were 360 kg noodles/day

KAJIAN AGRIBISNIS TAHU (Studi Kasus di Kabupaten Biak Numfor) I Made Suaryadana; Eri Yusnita Arvianti
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

A study that was aimed to describe financial feasibility of tofu home industry development in Biak Numfor Regency has been conducted from October to December 2008. The existing six tofu home industries in Biak Numfor Regency were subjected for this study. Results of the study showed that the average production capacity of tofu home industry in Biak Numfor Regency was 163.093 ton/year. This was based an assumption that one year is 365 days, the average production was 1.162.182 pieces. Production capacity was recorded to be 1.173.077 - 1.233.658 pieces and raw material need was 120.651 -126.882 ton / year. Labours used for tofu processing ranged from 5-6 persons with salary of Rp. 1.200.000/month/person. Own capital spent for tofu production was Rp. 1.689.700.000,- per year. Tofu producers could make profits when they could produce at least 470.941 pieces/year at a price of Rp. 2.000,- / piece. Based on the average total production for 5 years of 941.881.225 pieces with total production cost of Rp 1.233.658, the price BEP was 763,49. Considering to the B/C ratio value of 2,62, the tofu home industry was feasible for further development. Investment of tofu home industry was also feasible. This was based on the discount rate of 16%, the NPV value of Rp 967.206.279,- form the present value of Rp 995.385 542,- with investment value of Rp. 28.179.262. This indicated that tofu home industry was feasible for further development in Biak Numfor Regency

PENENTUAN MASAK FISIOLOGIS DAN PELAPISAN LILIN SEBAGAI UPAYA MENGHAMBAT KERUSAKAN BUAH SALAK KULTIVAR GADING SELAMA PENYIMPANAN PADA SUHU RUANG Budi Santosa; Fauzia Hulopi
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The research aimed to determine the appropriate harvest age of Salak Gading fruit to get the best quality and the longest storage period as well as to find out the effect of wax coating to ward the storage period and the quality of Salak Gading fruit at room temperature. The fruit was obtained from salak plantation at Turi Yogyakarta area. The research was divided into two stages. The first stage was the determination of ripe physiology in which the fruit was harvested at 6, 7 and 8 months after pollination. Afterwards the physical and chemical natures of the fruit were observed. The second one was wax coating in which the coated Salak Gading fruit was harvested at 7 and 8 days after pollination. The wax concentration used was 10% then the observation on physical and chemical nature were undergone once in three days. The determination of the storage period was accomplished when Salak Gading fruit has reached the level of decaying by 25% during the storage period. The results indicated that the best quality was at the period of 7 months. The wax coating influencing the quality of Salak Gading fruit also could keep loss down resulted from bacteria and inhibited the reduction of sugar and tannin inside the fruit. The determination of the harvest age of Salak Gading fruit and the wax coating could reform the quality of Salak Gading fruit

PENGGUNAAN AIR KELAPA DALAM MEDIA KULTUR JARINGAN PISANG Astutik Astutik
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The objectives of this research were to study and to find out the influence of various liquidity in tissue culture’s media of banana toward the development of banana’ meristem, and to obtain a precisely coconut pond concentration in media of tissue culture resulted in the best plantlet. Treatments employed for this study comprised two factors. Liquidity of coconut pond as the first factor consisted of four levels, i.e. 0 % (A0), 7,5 % (A1), 15 % (A2) and 22,5 % (A3). Varieties of banana as the second factors consisted of Kepok (P1) and Ambon (P2). Parameters observed were initiation of rhizomes, number of rhizomes, number of leaves, root initiation, and number of roots. The results indicated that there were interactions between the liquidities of coconut ponds and variety of bananas during rhizomes initiation, number of leaves, period of root initiation and number of roots. The liquidities of coconut ponds in the concentration of 7,5 % and 15 % resulted in better rhizomes quality than other solutions. Whereas the liquidity of 7,5 % resulted in best quality of rhizomes initiation and number of leaves in Ambon variety. Best root initiation and number of roots was observed at 15 % liquidity of coconut pond treatment

VARIABEL YANG MEMPENGARUHI PEMILIHAN SALURAN DISTRIBUSI SALAK KRESIKAN KECAMATAN GONDANGWETAN KABUPATEN PASURUAN Eri Yusnita Arvianti; Said Masduki
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The aims of this research were to describe the market balancing variable influence, goods balancing, producer balancing, and distributor balancing toward the distributor channel choosing for zalacca in Pasuruan. Respondents were taken from the population using random simple sampling technique toward the zalacca farmer. The results showed that market balancing variable, goods balancing, producer balancing, and distributor balancing simultaneously influenced decision of distribution channel choosing of zalacca by farmers at the study area. The distributor balancing variable was the dominant factors influencing the decision of distribution channel choosing

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