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BUANA SAINS

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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 510 Documents

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SUBSTITUSI RUMPUT GAJAH DENGAN TUMPI JAGUNG DAN KULIT KOPI TERHADAP PENAMPILAN SAPI PERANAKAN ONGOLE Dicky Pamungkas; Eko Marhaeniyanto; Agustina Wea; Karolus Eduardus Suhana
BUANA SAINS Vol 10, No 1 (2010)
Publisher : Universitas Tribhuwana Tunggadewi

The purpose of this research is to measure the substitution of pasture grass with corn tumpi and coffe pulp on feed intake, digestibility, feed intake digestibility, average daily gain , biological value and nitrogen balance of the Peranakan Ongole young cattle male. Twelve Peranakan Ongole (approximately 10-12 month old) with weight of 152 – 247 kg were use in this experiment, arrange in Random Block Complied Design with 3 treatment and 4 block. Composition of basal feed were corn tumpi dan coffe pulp (80:20) and the feed supplement were dry onggok and consentrate (50:50) with crude protein = 22%., The treatments applied were R0 (Elephant grass : Feed Supplement = 60% : 40%), R1 (Elephant grass : Basal feed : Feed Supplement = 30% : 30% : 40%), R2 (Basal feed : Feed Supplement = 60% : 40%). The variable observed were the dry matter intake (OMI), organic matter intake (DMO), crude protein intake (CPI), dry matter digestibility (DMD), organic matter digestibility (OMD), crude protein digestibility (CPD), dry matter intake digestibility (DMID), organic matter intake digestibility (OMID), crude protein intake digestibility (CPID), average daily gain (ADG), biological value and nitrogen balance. The result indicates that the average of feed intake (DMI, OMI, CPI), feed intake digestibility ((DMID, OMID, CPID) and biological value and nitrogen balance was very significantly different (P0.05). The usage of Ransum R2 tended to increased performance of the Peranakan Ongole young cattle male

MINAT PEMUDA TANI TERHADAP TRANSFORMASI SEKTOR PERTANIAN DI KABUPATEN PONOROGO Eri Yusnita Arvianti; Asnah Asnah; Anung Prasetyo
BUANA SAINS Vol 15, No 2 (2015)
Publisher : Universitas Tribhuwana Tunggadewi

Youth of the nation in achieving milestones of development of a region Phenomenon among youth is often the case in rural areas. In Ponorogo society showed that in fact a large number of the population worked as agricultural labor switched professions to other sectors. Youth interest in trying peasant farmers are sometimes beaten by their interest to go abroad to look for a better job. This study aims to determine the factors that lead to low interest farm youth in the agricultural sector in Ponorogo from April to August 2015. The research was conducted in six villages, namely: Myrtle village, Mojorejo village, Siwalan village, Sukosari village, Demangan village, and Badegan village, based on the consideration that the location of the farm is still widespread, people do more overseas because earnings as a laborer was minimal. The method used is quantitative method. Each sample using a proportional stratified random sampling, the population is divided into several sections (subpopulations) in each district based on the number of workers employed in agriculture. Samples were taken 72 people. Analysis of data using multiple linear regression with SPSS. The results showed that income, condition family, community, and social significantly affect the interest of farmers and most respondents still have to to farm activity

PENGARUH PEMBERIAN KOMPOS ELA SAGU DAN PUPUK ABG BUNGA-BUAH TERHADAP P-TERSEDIA, SERAPAN-P, SERTA PERTUMBUHAN TANAMAN JAGUNG (Zea mays L.) PADA INCEPTISOLS E. Kaya
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

The aim of this study was to determine the effect of compost application and ABG fertilizer (fruit and flower) on soil pH, availability and absorption of phosphorus, and growth of maize (Zea mays L.) in an Inceptisol. The study was conducted at a green house of Agricultrural Faculty of Pattimura University by employing a completely randomized block design with three repelicates. The treatments consisted of two factors: I sagu compost (0, 25, and 50 g/pot) and ABG fertilizer (0, 1, 2 mL/L of water). The results showed that application of sagu compost and ABG fertilizer separately increased soil pH, availability of phosphorus, absorption of P and diameter size of maize. Mixing application of sagu compost and ABG fertilizer increased plant hight of maize from 54,23 cm to 104,57 cm

PROSPEK PENGEMBANGAN KOMODITI JAGUNG MELALUI PENDEKATAN AGRIBISNIS DI KECAMATAN KULO, KABUPATEN SIDENRENG RAPPANG Muhammad Natsir; Rikawanto Eko Mulyawan
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

This study was aimed to elucidate trend of harvesting area and maize yield, and policies supporting maize delopment through agribusiness approache in Kulo District of Sidenreng Rappang Regency. This study was conducted at Kulo District which is are known as a maize development area in Sidenreng Rappang Samples selected for this study comprised 50 farmers of 310 maize farmers at Kulo District. The collected data were then subjected to Qualitative-descriptive, trend and SWOT analyses. Results of this study showed that: (1) trends of harvest area and production of maize were linear and tended to increase every year, and (2) the policy strategies adopted for maize development using agribusiness approach were (a) production aspect, (b) institutional aspect, (c) financial aspects, (d).Harvest technology aspect, and (f) human resource aspects

KEMAMPUAN Bacillus subtilis dan Pseudomonas fluorescens DALAM MELARUTKAN FOSFAT DAN MEMPRODUKSI HORMON IAA (Indole Acetic Acid) UNTUK MENINGKATKAN PERTUMBUHAN TANAMAN TOMAT Istiqomah Istiqomah; Luqman Qurata Aini; Abdul Latief Abadi
BUANA SAINS Vol 17, No 1 (2017)
Publisher : Universitas Tribhuwana Tunggadewi

Tomato is an important horticultural commodity in Indonesia and plays strategic role in fulfilling daily needs of the public. The increase in production of tomato can be done by optimizing the provision of nutrients that support growth. The ability of bacteria as biological fertilizer to dissolve phosphate and produce IAA (Indole Acetic Acid) are important criteria for the use of bacteria as agents of plant growth promoters. The purpose of this study was to determine the ability of some isolates of Bacillus subtilis and Pseudomonas fluorescens in dissolving phosphate and produce IAA to enhance the growth of tomato. Phosphate test results showed that all isolates of B. subtilis and P. fluorescens capable of dissolving phosphate with the highest value indicated by P. fluorescens UB-PF5 (18 mm). All isolates of bacteria capable to produce IAA. The resulting value IAA ranged from 0.69 to 1.09 ppm with the highest value produced by B. subtilis UB-ABS2 (1.09 ppm). The test results on the parameters of root weight, root length, plant height and number of leaves showed that tomato treated with B. subtilis and P. fluorescens increased significant growth compared with watering only with distilled water. The highest increased root weight and root length were resulted by P. fluorescens UB-PF5 with values 97.10% and 64.83%, respectively. The highest increased plant height and number of leaves length were resulted by P. fluorescens UB-PF6 with values 38,80% and 30,7%, respectively.

POTENSI HASIL UMBI DAN KADAR PATI PADA BEBERAPA VARIETAS UBIKAYU DENGAN SISTIM SAMBUNG (MUKIBAT) Budhi Santoso Radjit; Nila Prasetiaswati
BUANA SAINS Vol 11, No 1 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

The experiment was conducted at Genteng experiment station during January – December 2008. The objective of the experiment is to evaluate yield potential and starch content on grafting cassava (mukibat system). The experiment was arranged in a randomized complet block design with three replication. The first factor are four cassava varieties (Adira 4, UJ-5, Kaspro and local Dampit). The grafting system and ordinary cassava as the second factor. The grafting cassava (mukibat) planted with kenong system (plant/hill), plant spacing 1,5 m x 1,5 m and ordinary cassava planted in flat bad system, plant spacing 100 cm x 60 cm The fertilitation were 300 kg Urea + 100 kg SP-36 + 100 kg KCl ha-1 and fertilation 5 t/ha. The weed control were two times ( at two and four month after planting). The result showed that Adira 4, UJ-5, Kaspro dan Lokal Dampit varieties yielded 90,4 – 99,67 t/ha, with grafting system (mukibat). While the ordinary system yielded 54,3 t – 61,87 t/ha. There are positif corelation among tuber number, tuber diameter and tuber weight per plant with tuber yield. The starch content on mukibat system decrease 0,7 – 2,23% compared with ordinary system. UJ-5 variety has relatively stabil starch content and higher comparing the other variety. The grafting system needs higher cost production (Rp 8.491.000,-) than ordinary system.(Rp 7.971.000,-). The benefit of grafting system increase up to 90,5% from ordinary system and B/C ratio was 4,1

KADAR SAPONIN DAUN TANAMAN YANG BERPOTENSI MENEKAN GAS METANA SECARA IN-VITRO Sri Susanti; Eko Marhaeniyanto
BUANA SAINS Vol 14, No 1 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

The research aims to identify and select of tree foliages as a feed source of protein, saponins and in lower CH4 production in vitro. The research material are 10 tree foliages Hibiscus rosa-sinensis, Linn, Eritrina lithosperma, Gliricidia sepium, Jacq, Calliandra calothyrsus, Meissn, Moringa oleifera, Lamm, Leucaena leucocephala, Swieteria mahagoni, Artrocarpus heterophyllus, Paraserianthes falcataria and Samanea saman. Evaluation of saponin extract from the tree foliages is done by adding a saponin extract on feed control. Control diet consisted of concentrate and forage Zea mays with the proportion of 1:1 crude protein content of 13.3%. The design used a randomized block (RBD) with treatment: R0 = 0.5 g control diet, S1 = R0 + 0.5% saponin extract and S2 = R0 + 1% saponin extract from DM. The variables measured were (a) chemical composition (b) total gas production, (c) the production of CH4, and (d) digestibility DM and OM (DMD and OMD) in vitro. The addition of saponin extract from tree foliages in the control diet caused a decrease in feed digestibility. The use of 1% saponin extract from Hibiscus rosa-sinensis, Linn, Moringa oleifera, Lamm, and Paraserianthes falcataria leaves, lowered DMD and OMD control diet by 7%. Three species Calliandra calothyrsus, Meissn, Moringa oleifera, and Samanea saman shows CH4 production is less than 1%, so the potential to be used as feed ingredients protein source. The highest content of saponins found in Paraserianthes falcataria leaves (15.04%). Use of saponin 1% of Hibiscus rosa-sinensis, Linn, Moringa oleifera and Paraserianthes falcataria leaves lowered the value DMD, OMD control diet for 4,3-6,0% after 96 hours of incubation

STRATEGI BAURAN PEMASARAN DESA WISATA KAMPUNG EKOLOGI TEMAS DI KOTA BATU Ninin Khoirunnisa; A. Yusuf Kholil
BUANA SAINS Vol 18, No 2 (2018)
Publisher : Universitas Tribhuwana Tunggadewi

Marketing strategy is a plan that is done to be able to capture the market, using the 7 P Marketing Mix strategy. This study aims to 1) analyze internal and external factors in the development of the Kampung Ekologi Batu (KEB). 2) Analyzing the development strategy that must be implemented by the Kampung Ekologi Batu (KEB) in increasing tourist visits. 3) Analyzing the development strategy is the most effective way to increase tourist visits of the Kampung Ekologi Batu (KEB). The sample used in this study is divided into 2, namely: Purposive Sampling and Accidental Sampling. Pursposive Sampling consists of: Tourism Marketing Department at the Tourism Office, Head of Community Empowerment and Development of Temas Village, General Chair of Kampung Ekologi Batu (KEB), Chair of KEB Development, and Chair of Rw 06. Accidental Sampling taken by 30 visitors. The analysis used in this study used SWOT Analysis, IFE Matrix and EFE Matrix to produce IE Matrix strategies. The results of this study indicate that the Kampung Ekologi Batu (KEB) has used 7 P Marketing Mix (Product, price, place, promotion, People, Process and Physical Evidence) on the Internal KEB. The results of the IE Matrix obtained based on the weight and rating obtained from IFE and EFE indicate the position of the IE KEB Matrix in the Growing and Building area, which means that the business KEB is developing and has excellent potential to be able to increase tourism, and Analysis Results The most effective SWOT in the research is on the S-O strategy, namely: Improving service quality, package quality or products offered and maintaining the beauty and cleanliness of the Ecology Village and the beautiful environment.

PENGARUH BAHAN PENGEMAS DAN LAMA PENDINGINAN TERHADAP KEASAMAN DAN ANGKA REDUKTASE SUSU PASTEURISASI Akhadiyah Afrila; Wahyu Windari
BUANA SAINS Vol 10, No 2 (2010)
Publisher : Universitas Tribhuwana Tunggadewi

The objective of the research is to know effect the matter package and long refrigeration of acidity and reductase test on pasteurization milk. Material used 9 lt milk from lactating cow. Factorial of Completely Randomized Design (CRD) was used in this study. The first factor was kind of matter package and the second treatment is long refrigeration of 40C (0; 7; 14; 21 day), replicated three times. Variable observed were acidity and reductase test. The result showed that kind of the matter have no significant effect (P>0,05) on acidity and reductase test. Long refrigeration, interaction of the matter and long refrigeration have higly significant effect (P

KARAKTERISTIK FISIKOKIMIA GELATIN KULIT IKAN AYAM-AYAM ( Abaliste stellaris ) DENGAN PRA-PERLAKUAN KONSENTRASI ASAM SITRAT Abdul Aziz Jaziri; H. Muyasyaroh; M. Firdaus
BUANA SAINS Vol 19, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Gelatin is a fibrous protein obtained by partial denaturation of collagen. Traditionally, gelatin derived from mammals’ skins and bones, such as cow and pork. However, both mammals’ gelatin could risk for bovine spongiform encephalopathy (BSE) and foot mouth disease (FMD), besides, gelatin extracted from pork is prohibited in Islam rules. Therefore, fish processing waste is potential as a source of gelatin in terms of starry triggerfish (Abalistes stellaris) skin gelatin. The aims of this study is to characterize physichochemical of gelatin extracted from skin of starry triggerfish. The methods used in this research, experiment with completely randomized design (CDR) by soaking different concentrations of citric acid (0.2; 0.4; and 0.6 M). The results showed that the concentrations of citric acid had significantly different (P0.05) on the yield, viscosity, gel strength, and fat content of starry triggerfish skin gelatin. On the other hand, the pH, melting point, galling point, protein, moisture, and ash value of starry triggerfish skin gelatin did not perform significantly different (P0.05). The most properties of starry triggerfish skin gelatin meet the commercial gelatin, and it is able to as a potential alternative of halal gelatin.

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