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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 11 Documents

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Search results for , issue "Vol 9, No 1 (2009)" : 11 Documents clear

STUDI KELAYAKAN FINANSIAL PENGOLAHAN LIMBAH CAIR TAPIOKA SEBAGAI NATA DE CASSAVA Dianawati Dianawati; Widowati Widowati
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

Tapioca industries produced liquid waste containing substantial amount of starch that can be used as a source of carbon. Considering its relatively high carbon content, the liquid waste of tapioca production can be used as a raw material of nata de cassava. This study was aimed to elucidate financial feasibility of nata de cassava production at PT Sumber Timur, Dampit, Malang. The financial feasibility parameters included Break Even Point, Payback Period, RCR, Net BCR, Net Present Value and Internal Rate of Return. The information and assumptions for financial analysis were: liquid waste of tapioca was about 500 l/day, 1 kg cassava pulp produced 8,27 l liquid waste, from 500 kg fermented liquid waste of tapioca, taken 50 kg for starter, rendement = 99,54%, lifetime of the factory was 10 years, Price was increased 4%/ years started from third years, product was sold 100% from 1st - 10th years, production cost was increased 4%/ years started from third years. Results of this study indicated that production capacity for 1 year was 179.160,00 kg, the price was Rp. 1.112,21/ kg, production of nata de cassava from liquid waste of tapioca was financially feasible with NPV (18%)=Rp. 130.082.978,55, BEP = 26.015,29 kg or Rp. 28.934.382,83 or 15%; IRR 37%, Payback Period 4,14 years, Net BCR 1,02 and RCR 1,56

UJI KONSENTRASI IAA (INDOLE ACETIC ACID) DAN BA (BENZYLADENINE) PADA MULTIPLIKASI PISANG VARIETAS BARANGAN SECARA IN VITRO Ricky Indri Hapsari; Astutik Astutik
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

A study that was aimed to determine the effects of IAA and BA concentrations on number of shoot at multiplication phase of barangan banana, was conducted at Plant Tissue Culture Laboratory of Tribhuwana Tunggadewi University from October 2007 to January 2008. Treatment combinations of three levels of IAA, i.e. 0,0 mg/l; 0,15 mg/l and 0,30 mg/l, and three levels of BA, i.e. 4,0 mg/l; 4,5 mg/l and 5,0 mg, were arranged in a completely randomized design with three replicates. Results of this study indicated that there was interaction effect of IAA and BA to shoot variable at 6, 8, 10 and 12 weeks after sub culture application. Combination of concentration IAA 0,0 mg/l and BA 4,0 mg/l (I0 B1) achieved highest shoot number. But there was no significant effect of I0B2 and I1B3 treatments. The fastest shoot growth was observed for application of BA 4,0 mg/l, and BA 4,5 mg/l

VARIABEL YANG MEMPENGARUHI PEMILIHAN SALURAN DISTRIBUSI BAGI PETANI PRODUSEN SALAK (Studi pada petani salak di Desa Kresikan Kecamatan Gondangwetan Kabupaten Pasuruan) Eri Yusnita Arvianti; Suntara Suntara
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

The aims of this research were to describe the market balance, goods balance, producer balance, and distributor balance influencing channel selection of zalacca producers in Pasuruan, and to analyze the dominant variable considered by the zallacca producer farmer in Pasuruan. The respondents were taken from the population of zalacca farmers by simple random sampling method resulting 50 respondents. The research results showed that market balance, goods balance, producer balance, and distributor balance variable simultaneously affected the selection of distribution channel. The distributor balance variable was the most dominant variable influencing the distribution channel selection

PENGGUNAAN POLLARD DENGAN ASAM AMINO SINTESIS DALAM PAKAN AYAM PETELUR TERHADAP UPAYA PENINGKATAN KUALITAS FISIK TELUR Nonok Supartini
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

The objective of the experiment was to elucidate the effect of pollard utilization on the layer diets and the addition of critical amino acid to produce the eggs with lower content of cholesterol. The experiment used in the study with 315 Lohman strain were randomly limited in to 7 treatments in 7 replications with 15 birds each. The treatments were: R0 (control diet without pollard and without critical of AA), R1 (10% pollard + 50% critical of AA), R2 (10% pollard + 100% critical of AA), R3 (20% pollard + 50% critical of AA), R4 (20% pollard + 100% critical of AA), R5 (30%pollard + 50% critical of AA), R6 (30% pollard + 100% critical of AA). The results showed that the utilization of pollard with amino acid addition had given no significant different on production and eggs quality. The exception result was in yolk color had significantly different. It can be concluded that the treatment of 30% with amino acid addition resulted better production and egg quality

KAJIAN PENAMBAHAN Effective Microorganisms (EM4) PADA PROSES DEKOMPOSISI LIMBAH PADAT INDUSTRI KERTAS Nana Dyah Siswati; Herwindo Theodorus; Puguh Wahyu Eko S
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

The solid waste at PT Kertas Leces Probolinggo has not been properly handled as it is just ended in the waste landfill. Composting is a method to process the solid waste with a high organic content. In that process the organic agent is degraded by micro organism that driving to stabilize the organic content. In this research effective micro organism (EM4) was used as a disspator organism in some range of concentrate (2,4,6,8,10) (%) v/b and observed in 5,10,15,20,25 days composting time. The best result was reached on the concentrate of 2 % EM4 & 25 days decomposting time, with the rasio C/N = 14,11 (most land has rasio indicator C/N closed to 10) comparing to the previous grade = 33,24.

PENDAPATAN USAHATANI KACANG TANAH DI DESA TAGAWITI KECAMATAN ILE APE KABUPATEN LEMBATA Asnah Asnah; Virgilius Natal
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

Peanut has been known and developed by farmers in Indonesia. Besides of easy and simple in technique to grow, peanut can cultivate in all type of soils, resistant of weather changes, and disease and insect attack, and has widely marketing prospect. This research is aimed to study cost, revenue, income, profit and efficiency of peanut farming. Location is purposively determine in Tagawiti village, Ile Ape district, Lembata area, by using random sampling, gradually based on land wide. Analysis data method is research result is tabulated and interpreted as equal as analysis result and goal

PENINGKATAN KUALITAS BIBIT PISANG KEPOK MELALUI RADIASI SINAR GAMMA SECARA IN VITRO Astutik Astutik
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

This research was aimed at understanding and examining plantlet response to Kepok Banana in various doses of gamma ray radiation. Single Complete Random Planning was employed with 5 levels of gamma ray radiation doses. These five treatments comprised to 0 krad (A); 2.5 krad (B); 5.0 krad (C); 7.5 krad (D); and 10.0 krad (E). Every treatment had 5 replications. Each replication had 2 bottles such that 50 bottles emerge for a unit of experiment. The observation involved parameters such as shooting period, number of shoot, number of leaf, shoot height, plantlet stem, rooting period, number of leaf chlorophyll, and esterase iso enzyme tape pattern. Results of research indicated that gamma ray radiation doses affected its morphology characteristics (shooting period, number of shoot, number of leaf, shoot height, and number of leaf chlorophyll) and its genetic characteristics (esterase iso enzyme tape pattern from leaf). Dose of 2.50 krad gamma ray was able to produce mutant-based Kepok Banana shown by different morphology and genetic characteristics from original seed. Doses of 5.0, 7.5, and 10.0 krad gamma ray radiations had harmful effect on plantlet of Kepok Banana

KAJIAN POTENSI PENGEMBANGAN AGROWISATA KAWASAN GUNUNG SALAK ENDAH Murdaningsih Murdaningsih; Nina Nurdiana
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

The research about potency of agrotourism development was conducted the first step from agrotourism planning in Gunung Salak Endah Area (GSEA). This research was studied about physical aspects, biological aspects, social aspects and economical aspects. The area appropriate for every agriculture commodity on agrotourism development were agrotourism comprehension; and tourist preference to activity types, agriculture works and facility in agrotourism development were analyzed with chi square. Agrotourism development was coursed to the activities that use agriculture as a tour object and can see the view. Land can used agrotourism development is 418,93 ha with using wet fields A (109,03 ha; wet rice), wet fields B (7,88 ha; wet rice or corn), dry fields A (132 ha; dry rice), dry fields B (22,78 hectare; orange, red pepper, cucumber, papaya, banana or livestock), dry fields C (128,98 hectare; red pepper, long beans, green beans, cucumber, papaya or banana), dry fields D (8,84 hectare; tomato, red pepper, long beans, green beans, cucumber, papaya or banana), calm fishery (9,36 hectare) and flowered plants. The activity form of fishery agrotourism, horticulture and food plant are cultivation whereas for livestock is ranch

PENGEMBANGAN BUDAYA KEWIRAUSAHAAN AGRIBISNIS DI PERGURUAN TINGGI Aldon Sinaga; Wahyu Mushollaeni; Akhadyah Afrillia
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

Opportunities to develop the productive sector in the agricultural sector in eastern Indonesia is one of the drivers of entrepreneurship in the provision of student materials from eastern Indonesia, which aims for the prosperity and welfare of local communities, which are the responsibility of every scholar who came from Eastern Indonesia. In UNITRI curriculum development plan, entrepreneurship as a compulsory subject more specific to the field and science groups. This subject will be taken by all students of science group and integrated with other courses in their curriculum courses in UNITRI. UNITRI trying to take advantage of development opportunities through programs Entrepreneurship Development from DIKTI, with the hope will be able to increase the effectiveness of achieving the vision and mission UNITRI. The purpose of the activity field Agribusiness Entrepreneurship Lecture at the Tribhuwana Tunggadewi University were providing insights into the concept of entrepreneurship and entrepreneurs, how to start entrepreneurship and entrepreneurial finance, the role of entrepreneurship, entrepreneurial process, the identification of various types and how to start self-employment, entrepreneurial opportunities for potential areas of Agribusiness and productive, and the motivation and courage to jump on the student Agribusiness Entrepreneurial activity. Learning methods used in the Agribusiness Entrepreneurship Lecture activities, includes some combination of learning methods are lecture, discussion, Project Based Learning, Student Centered Learning, and comparison / Role Play, and Initiation

PERUBAHAN KONSENTRASI ALUMINIUM DAN SERAPAN FOSFOR OLEH TANAMAN PADA ULTISOL AKIBAT PEMBERIAN KOMPOS Imam Wahyudi
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

A glasshouse experiment was conducted to judge the beneficial effects of Gliricidia sepium and Tithonia diversifolia composts on plant growth improvement, P availability and reduction of aluminium concentration in an Ultisol. Thirteen treatments consisting of two composts, six rates of each compost (5, 7.5, 10, 20, 40 and 80 t/ha) and one control (no added compost) were arranged in a randomized block design with three replicates. Each mixture of compost and soil was placed in a pot containing 8 kg of soil, and maize of Srikandi cultivar was grown on it for 45 days. At harvest, plant P content, soil pH, and soil aluminium concentration were measured. Results of this study showed that application of Gliricidia and Tithonia composts significantly reduced Alo concentration, increased Alp content, increased soil pH, increased P availability, and increased P taken up by maize grown for 45 days. The optimum rate of both Gliricidia and Tithonia composts should be 45 t/ha. However, at the same rate, optimum production gained by application of Tithonia compost would be higher than that of Gliricidia. This was due primary to the difference contents of humid acid and fulvic acid of the composts

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