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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.

Arjuna Subject : -

Articles 510 Documents

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PENGGUNAAN PROBIOTIK KOMBINASI lactococcus lactis DAN L actobacillus acidophilus SEBAGAI PENGGANTI ANTIBIOTIKA PADA AYAM PETELUR YANG DIINFEKSI E scherichia coli TERHADAP ANALISIS USAHA Hana Cipka Pramuda Wardhani; Widya Paramita Lokapirnasari; Koesnoto Soepranianondo
BUANA SAINS Vol 19, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Escherichia coli is a normal flora in the digestive system of laying hens that are non-pathogenic, which can change into pathogens and cause the egg production to decrease. So the combination of Lactococcus lactis and Lactobacillus acidophilus probiotics is expected to be able to overcome E. coli and become a substitute for the antibiotics (Virginiamycin) in animal feed. This study aims to determine business analysis including Break Event Points (BEP), Revenue Cost Ratio (R / C Ratio), Payback Period (PP) and Return On Investment (ROI). The best results obtained for the calculation of Break Event Point (BEP) on a0b2 treatment with a BEP of Rp. 17,587,24 with BEP production on a1b2 of 14,36 kg, Revenue Cost Ratio (R / C Ratio) generates a value of 1,543 for treatment a0b2, Payback Period (PP) generates a value of 1 year 3 months 9 days and Return On Investment (ROI) generates a value of 3. It was concluded that the a0b2 treatment had good results to be developed.

PENGARUH UMUR DAN SISTIM PENANAMAN AKAR WANGI (Vetiveria zizanioides L.) DALAM PERBAIKAN KUALITAS LIMBAH CAIR PABRIK TAPIOKA Eko Rini Indriyatie; E. Handayanto; W.H. Utomo
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

A series of experiment had been conducted to elucidate the effects of age and planting system of fragrant root (Vetiveria zizanoides) in improving quality of tapioca industry liquid waste. Eight treatments generated from two planting systems, i.e. hydroponics system (To) and wetland system (T1), and four levels of plant age, i.e. 7 days after planting (LiV1), 45 days after planting (L1V45), 60 days after planting (L1V60), and 75 days after planting (L1V75), were arranged in a randomized block design with three replicates. pH, BOD, COD, DO and CN values were measured periodically for 61 days. Results of the study showed that various age of fragrant root plant were capable of reducing BOD, COD and CN concentrations, as well as increasing DO concentration and pH value for the two planting systems. During remediation process, the LiV75 treatment at wetland system produced better quality of tapioca liquid waste than that of hydroponics system

FITOREMEDIASI LIMBAH CAIR INDUSTRI TAPIOKA DENGAN TANAMAN ENCENG GONDOK Muhammad Felani; Amir Hamzah
BUANA SAINS Vol 7, No 1 (2007)
Publisher : Universitas Tribhuwana Tunggadewi

The objective of this study was to elucidate the possible phytoremediation of liquid waste of tapioca industry using Eichhornia crassipes prior its usage for watering maize grown on an Entisol of Malang. Tapioca liquid waste was mixed with pure water at various concentrations and then Eichhornia crassipes was grown on a water bath filled with the mixture. After twenty eight days, the mixture of tapioca liquid waste and pure water was analyzed for BOD, BOD, COD, DO, TSS, CN, total N, and total P, prior to its usage for watering maize grown on a pot filled with an Entisol. Results of this study showed that during twenty eight days Eichhornia crassipes grown on 25% tapioca liquid waste was capable to reduce BOD, COD, and CN concentrations of the liquid waste and to increase pH of the the mixture of liquid and pure water. This has resulted in a significant increase of maize growth

PENGGUNAAN BIOCHAR DIPERKAYA NITROGEN PADA TANAMAN JAGUNG Titik Islami
BUANA SAINS Vol 19, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Most agricultural land in lndonesia has a low organic matter content, and this is due to the fast decomposition rate of soil organic matter. The rapid decomposition of soil organic matter causes low soil fertility. To maintain high agricultural yields, it is necessary to add soil organic matter repeatedly in each planting season with a high dose ( 10 tons / ha). Farmers considered that the addition of high-dose organic matter to their agricultural land is not economical and difficult to do. Therefore, soil organic matters which is resistant to decomposition is needed, so that it can last longer in the soil. One of the recalcitrant soil organic matter is biochar, and many studies have shown that biochar can reduce the need for nitrogen in the next cropping season. Previous research has shown that biochar can be enriched with nitrogen as an organic fertilizer. This study aims to study the effect of biochar which has enriched nitrogen from ammonium on the growth and yield of maize. The study was conducted in Landungsari Village, Malang City in July to December 2018. This study used a randomized block design (RBD) with combinations of 5 treatments and 5 replications. The treatments in this study were: B0 (control); B1 (nitrogen fertilizer 90 kg / ha); B2 (nitrogen fertilizer 90 kg / ha + biochar); B3 (biochar enriched with ammonium sulfate 4 tons / ha); B4 (manure 4 tons / ha + nitrogen f'ertilizer 90 kg / ha). The results of the study showed that biochar enriched with ammonium sulfate at a dose of 4 tons / ha increased the growth and yield of maize. Biochar enriched with ammonium sulfate shows the ability to hold nitrogen which can then be released in the soil in the form of NH4 + to be absorbed by plants.

PERMUKIMAN TRADISIONAL DI KAWASAN LANSKAP PANTAI DI SENDIKI, DESA TAMBAKREJO KECAMATAN SUMBERMANJING WETAN KABUPATEN MALANG Irawan Setyabudi; Petrus Paulus Pain Pati
BUANA SAINS Vol 19, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Traditional settlements are places that still hold customary and cultural values related to beliefs or religion that are specific or unique to a particular society. In each region of Nusantara there are various cultures, and in it there are traditional settlements as identities. This research is located in the Sendiki beach area which is a tourist attraction in the southern Malang district, precisely in the village of Tambakrejo. The problem is the diminishing public awareness in preserving the existence of settlement forms because of the current of modernization. The unique settlement pattern model in the village of Tambakrejo lined up along the road following the traditional settlement pattern of Tanean Lanjeng, because the settlements were dominated by Madura race. On the other hand because it is located in East Java, the formation of his house was also adapted to the building form of joglo. Another problem is the low public awareness in maintaining environmental quality which impacts the degradation of ecosystem quality. The aims of this research include identifying the architectural forms of houses, landscapes and traditional settlements in the village of Tambakrejo, as an effort to preserve them. The research method was conducted qualitatively by analyzing the data using Focus Group Discussion (FGD). The research thinking is adapted to the ideas of Rapoport. The stages of research start from the identification of physical, biophysical, socio-cultural and economic aspects, to the description of analysis and synthesis in settlement patterns and traditional homes. The results obtained in the form of a description of traditional settlement patterns, the formation of residential architecture and landscape patterns of settlements. The conclusions of this study include documentation of traditional architecture, landscapes and settlements as knowledge to respect the natural environment and culture of the people living.

PEMANFAATAN BEKICOT SAWAH (TUTUT) SEBAGAI SUPLEMENTASI PAKAN ITIK UNTUK PENINGKATAN PRODUKTIVITAS ITIK PETELUR DI DESA SIMOREJO-BOJONEGORO Supartini, Nonok; Darmawan, Hariadi
BUANA SAINS Vol 16, No 1 (2016)
Publisher : Universitas Tribhuwana Tunggadewi

The aim of this research are (1) to know the best composition of snail as duck’s feed supplementation with bran and parcher rice;

ANALISIS BAURAN PEMASARAN TERHADAP PERILAKU KONSUMEN DAGING SAPI DAN IMPLIKASI STRATEGI PEMASARAN DI HYPERMART KOTA MALANG Farida Kusuma Astuti; Karunia Setyowati Suroto; Erik Priyo Santoso
BUANA SAINS Vol 19, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

This research is attempt to bring out marketing mix that dominate the consumer behavior in purchasing beef, to know marketing factors model that recognized by consumer to purchase the beef and to know what marketing strategy implemented by Hypermart MATOS. The research conducted from May to July 2018 involving 100 respondents. A purposive sampling methods was carefully used in determining respondents. Research is conducted by gathering data from primary source that is questionnaire and secondary source directly collected from the firm. Primary data analysis processed in order to highlight factor model that considered by consumer and SWOT analysis to describe company’s condition in specifying marketing strategy. The result shows that marketing mix most considered by consumer to purchase the beef including the product it self, place and promotions influences 26,414 percent, 26,165 percent and 22,778 percent, respectively. Factor model we considered including: factor 1 : competitive price and product it self such variable X5 (flavor), X7 (color), X8 (expiration date), X11 (price changes); factor 2 : the package involving variable X1 (packaging form), X2 (the package easy to open), and X3 (packaging materials); factor 3 : display product on show case as variable X4 (product display). Each factor model has their impacts 33,474 percent, 14,948 percent and 11,413 percent, respectively. Marketing strategy growth and build consists of market penetration by selling product in lower price to market segment which is sensitive to price, product development (diversification) referred to product factor model and price comparison, packaging and displays by giving recipes information from each type of beef and market development in order to fit demography condition and beef consumer characteristics in Malang.

STRATEGI PEMBERDAYAAN PETERNAK DALAM USAHA KONSERVASI SAPI JAWI PANDAAN DI KECAMATAN PRIGEN KABUPATEN PASURUAN N. Supartini; H. Darmawan
BUANA SAINS Vol 12, No 2 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

Prigen district is one of the development zone of husbandary Jawi Pandaan Cow is East Java local breed one of the local breed which have similar characteristic with Bali cow. Aim of this research is to identify factors of empowered strategies of Jawi Pandaan cow’s farmer at Prigen district in order to conservation. This research used simple random sampling method. Materials research were 88 farmer who have 381 cows. Data analized using descriptive analysis. Conclusion of this research showed that empowered strategies of Jawi Pandaan cow’s farmer at Prigen district in order to conservation need regulation which protect the purebred, and empowered strategies by people centered, participatory, empowering and sustainable priciples. Need other programs, such as elite bull program, market orientation for production system, integrated and continously famer welfare development program

POTENSI BAKTERI Lactococcus lactis DAN Lactobacillus casei TERHADAP PERFORMA PRODUKSI AYAM PETELUR YANG DIINFEKSI Escherichia colii Rifqi Najwan; Nabil Fariz Noorrahman; Hana Cipka; Khoirul Huda; Mirni Lamid; Widya Paramita Lokapirnasari
BUANA SAINS Vol 19, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

The purpose of this study was to find the effect combination probiotic Lactococccus lactis and Lactobacillus casei on the laying hens infected with bacteria Escherichia coli on feed consumption and feed conversion ratio (FCR). The materials used in this experiment were 120 laying hens aged 25 weeks. Feeds were used commercial concentrate produced by PT. New Hope East Java, type 7183A. In this study were added of six treatments that is (a0b0) chicken without infection and without treatment, (a0b1) chicken without infection plus Antibiotic Growth Promoter (AGP), (a0b2) chicken without infection plus probiotic, (a1b0) chicken infection without treatment, (a1b1) chicken infection plus AGP. (a1b2) chicken infection plus probiotic. Each treatment was repeated four times. The variables measured were are feed consumption (g/bird/day) and feed conversion ratio (%). Data were analyzed statistically using Analysis of Variance (ANOVA), if between treatment showed significant effect were analysed by Duncan’s Multiple Range Test (DMRT). The result of this research shows that the use of probiotic Lactococccus lactis and Lactobacillus casei on the laying hens infected with bacteria Escherichia coli give a real distinction ( P0,05) towards feed consumption and showed a real distinction (P 0.05) towards feed conversion ratio. Based on the results of this research, it can be concluded that the addition of probiotic Lactococccus lactis and Lactobacillus casei on the laying hens infected with bacteria Escherichia coli can improve feed consumption, feed conversion ratio (FCR) of laying hens, hen day production (HDP) and egg weight.

PERENCANAAN JALAN SURYAKENCANA – SILIWANGI SEBAGAI RUANG INTERPRETASI BUDAYA DI KAWASAN PECINANKOTA BOGOR Moh. Sanjiva Refi Hasibuan; Ray March Syahadat; Nuraini Nuraini; Nurhayati H.S. Arifin
BUANA SAINS Vol 16, No 1 (2016)
Publisher : Universitas Tribhuwana Tunggadewi

Each year, Chinatown of Bogor Municipality as heritage city whichis located on Suryakencana - Siliwangi Road usually hold Cap Go Meh celebration. By 2013, this tradition was held again by the name of Bogor Street Festival. The rapid development and an increasing number of vehicles became a problem in this activity. Based on the description of the problem, it is necessary to plan the Suryakencana-Siliwangi Road as a space of cultural interpretation in the Chinatown area of Bogor, in order to obtain an act of preservation and development of cultural activities in order to avoid loss of quality in the cultural activities. The results of this study are obtained by an appropriate planning concepts for the Chinatown area of Bogor especially Suryakencana – Siliwangi’sstreetscape as cultural path. The concepts are improving the function of space planning and optimizing the use of the existing space to support the Cap Go Meh celebration in order to provide the knowledge, experience, comfort and satisfaction for the participants and visitors. This concept was then developed into the concept of circulation and concept of space then overlaid to produce an appropriate block plan

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