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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 32 Documents

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Search results for , issue "Vol 12, No 1 (2012)" : 32 Documents clear

PENGGUNAAN ENZIM PAPAIN DALAM PAKAN TERHADAP KARAKTERISTIK USUS DAN PENAMPILAN PRODUKSI AYAM PEDAGING E. Fitasari
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

This research was aimed to evaluate the influence of papain enzyme on fee, intestinal characteristic, microflora and the broiler production performance. There were used 4 treatments : P1 (control), P2 (papain 0.050% w/w), P3 (papain 0.075 w/w), and P4 (papain 0.100%). Observed variables were; intestinal characteristic (pH, intestinal viscosity, intestinal proteolitic enzyme activity, ileum villi height and number) and production performance (consumption, weight gain, feed convertion, carcass weight, and income over feed cost/IOFC). This study was carried out in Randomized Complete Design. The significant influence, tested with Duncan’s Multiple Range test. The result showed that the treatments gave significant difference (p

PEMANFAATAN BIOMASSA KERING (KAYU) SEBAGAI BAHAN BAKAR UNTUK MENGUJI KERJA PROTOTYPE KOMPOR BIOMASSA C. F. Mamuaja; L. Y. Hunta
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

The aims of this study were to evaluate prototype biomass stove by using wood fuel (dry biomass), to account number of wood fuel used to boil water, time for boil, fire of temperature, water temperature, pan temperature, hot energy and water heating efficiency. Descriptive analysis was used to evaluate prototype biomass stove by using wood fuel about 1 kg with three replicates. The evaluation showed that by using wood fuel process water boiled faster than that using fuel. To make water boiled only needed 6 minutes using 93 g of wood fuel while fire temperature was 792°C . To boil water about 2 liter using stove biomass needed 6 minutes using total fuel of 92,87 g. Fire temperature observed was 792°C, where pan wall temperature was 256°C and water temperature was 105°C. Total heat energy used to boil water was: 7336,73 cal; 2507,49 cal and 1578,79 cal. Efficieny of water heat that was calculated from water boil process by using stove biomass was 38,5%. Prototype stove biomassa needed smaller hole out of fire to make flame not so high, and adding hole of wind in side of fuel tube to make air aeration better and to control equipment volume fuel

KAJIAN DAMPAK LINGKUNGAN PADA PEMBANGUNAN INFRASTRUKTUR BLOK OFFICE KABUPATEN MALANG G D. Pandulu; Suhudi Suhudi
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

By the decision that Kepanjen District becomes the capital of Malang Regency, there will be displacement of governmental infrastructure, from Malang City to Kepajen District, Malang Regency. One of infrastructures that will be built there is the Office Block in Penarukan Village and Panggungrejo Village. In the utilization of natural resources, the Government of Malang Regency takes wisdom of environmentally sustainable development. The purpose of this study is to identify effect at were actifity to environmental component, predict the impacts on the environment component, and compose prevention, mitigation, and control the negative impacts. This study is used descriptive qualitative and quantitative analysis. Based on the analysis of chemical components of geophysics, slope of 0-2%, alluvial soil, ambient air quality, and noise remained below standard of ambient air quality specified under the Rule of Governor of East Java No. 10/2009, clean water quality of inhabitant and clean water quality of river are still below standard of traffic analysis on Panji Streat is at the service level C. The environmental management direction at the pre construction stage are by using social approach and inviting a survey expert and measurement equipments which have been certified, construction stage, and post construction by social and technological approach by implementing Standard Operation Procedures

APLIKASI PUPUK ORGANIK BERBASIS MIKORIZA UNTUK MENINGKATKAN HASIL KEDELAI DI DAERAH SEMI ARID TROPIS LOMBOK UTARA W. Astiko; I. R. Sastrahidayat; S. Djauhari; A. Muhibuddin
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

A pot trial using sandy soil samples from the dryland farming system of Northern Lombok was conducted in the Faculty of Agriculture, Mataram University to study the role of indigenous of mycorrhiza to improve soil fertility, nutrients uptake, soybean growth and yields. Treatments tested were: without mycorrhiza inoculation with no fertilizers as control (Ko), inoculation of mycorrhiza with no fertilizers (K1), inoculation of mycorrhiza with cattle manure (K2), inoculation of mycorrhiza plus rock phosphate (K3) and inoculation of mycorrhiza plus inorganic fertilizers (K4). The five treatments were arranged in a Completely Randomized Block Design with four replicates. Soil fertility status observed were concentrations of N, P, K, and organic-C and soil pH. Agronomic measurements were crop nutrients uptake (N, P, K and Ca), growth and yield. Variables dealing with mycorrhiza were recorded for: total population of mycorrhiza and percentage of roots infection. Overall, the results of study showed that soil fertility status as well as performance of growth and yield of soybean tended to be higher in arbuscular mycorrhiza (AM) inoculated soils compared to other treatments. Therefore, the application of AM along with application of cattle manure would be promising to sustain soil productivity under soybean cropping system

PEMANFAATAN LIMBAH PERTANIAN SEBAGAI ENERGI ALTERNATIF MELALUI KONVERSI THERMAL T. Iskandar; N D. Siswati
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

Waste agriculture (biomassa) availability in society is quite a lot but did not yet been exploited in an optimal. Biomassa as organic matters which contain hydrocarbon compound is able as source of energi like to be is ready of heat, making fuel, and power plant. Biomassa exploiting as source of alternative energi thermal can conversion by gasifikasi process. Gasifikasi is imperfect combustion process or with limited oxygen yield CO, H2 and metan gas, used as balmy and peaceful of hot energy and also for the power of diesel, turbine etc. Besides, in course of this also yielded aqueous vapour (H2O) and dioxide carbon (CO2) which do not burnt, mote and tar. Syngas biomassa is one of product gasifikasi can be mixed with diesel fuel in room burn diesel motor moving generator to yield electric power. Mixing of diesel fuel with biomassa syngas can economize usage of diesel fuel till 70% of the amount of usage initialy, its mean that if generator set required 0,4 diesel fuel litre per kWh hence by enhancing syngas result of gasifikasi process 2 kg biomassa, required diesel fuel only 0.02 l/kWh

PENGARUH SUHU DAN LAMA THAWING TERHADAP KUALITAS SPERMATOZOA KAMBING PERANAKAN ETAWA Fitrik Fitrik; N. Supartini
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

The purpose of this study was to determine the temperature and duration of thawing optimally of frozen sperm of Etawa crossbred (PE) goats used in the implementation of IB conducted in Laboratory of Animal Health and Reproduction of BBPP Batu. The material used in this study was 48 straw of goat sperm in size of 0.25 ml from Central Artificial Insemination (BBIB) Singosari. This research method used completely randomized design (CRD) with 3x4 factorial and 4 times repeating. The first factor is temperature of thawing and the second factor is thawing duration. The results show that the temperature and duration of thawing significantly affected (P

KEMAMPUAN BIOCHAR MEMEGANG AIR PADA TANAH BERTEKSTUR PASIR S. Sutono; N. L. Nurida
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

Traditionally biochar is already used for different kinds of people activities such for cooking, cloth ironing. However, utilization of biochar in agriculture is limited only for pot media. Application of biochar in agriculture land is a carbon conservation technology due the long standing capacity in the soil. A laboratory study was conducted at soil physics laboratory of Soil Research Institute, Bogor using sandy soil. A factorial experiment with three factors was applied. The first factor was soil consisting of 20, 30, 40, 50, 60 and 92 percent of sand. The Second factor was three kinds of biochar: rice husk, palm oil, and cocoa skin fruit. The third factor was concentrations of biochar: 0, 10, 20 and 40 t/ha. Water holding capacity was measured by pF ceramic plate (pF1, pF 2, pF 2.54 and pF 4.2). The results indicated that biochar made from cacao skin fruit gave high pore aeration and increased number of water availability followed by made rice husk biochar and palm oil biochar

EFEK PENAMBAHAN EKSTRAK KASAR ENZIM BROMELIN DALAM PAKAN TERHADAP PENAMPILAN PRODUKSI E. Fitasari; Soenardi Soenardi
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

Abstract The research about bromeline crude extract was conducted to determine the giving of enzyme on broiler production performance (consumption, weight gain, feed convertion ratio and income over feed cost). This research used 5 treatments: P0 (control), P1 (bromeline crude extract 2% w/w), P2 (bromeline crude extract 4% w/w), P3 (bromeline crude extrac 6%), and P4 (bromeline crude extrac 8%). This study was carried out in Randomized Complete Design. The significant influence, was be tested with Least Significant Difference Test. The result showed that the treatments didt’n gave significant difference (p>0.05) on consumption, weight gain, feed convertion ratio and very significant effect (p

PENGARUH PENGGUNAAN BIOCHAR DAN PUPUK KALIUM TERHADAP PENCUCIAN DAN SERAPAN KALIUM PADA TANAMAN JAGUNG Widowati Widowati; Asnah Asnah; Sutoyo Sutoyo
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

A glasshouse experiment was conducted to study the effect of biochar and potassium fertilizer on potassium leaching and potassium absorption by maize. A completely randomized block design was used with three replications. There were seven treatments consisting of : Ko : control (no biochar and no KCl), K1: 200 kg KCl, K2 (30 t/ha biochar), K3: (30t/ha biochar + 50 kg/ha KCl), K4: (30t/ha biochar+100 kg KCl), K5:(30 t/ha biochar + 150 kg/ha KCl), K6 : (30 t/ha biochar + 200 kg/ha KCl). The results showed that applications of biochar without potassium fertilizer resulted in leaching, availability and total of potassium soil were high and maximum potassium absorption was 33.95 kg/ha. Potassium absorption from biochar applications did not significantly differ if the treatments were combined with biochar and low application of potassium fertilizer. Application of biochar combinaed with potassium fertilizer did not increased leaching and absorption of potassium by maize

PENGGUNAAN PUPUK N P K PADA TANAH BEKAS PEMBERIAN BAHAN ORGANIK TERHADAP PERTUMBUHAN DAN HASIL KACANG HIJAU F. Hulopi
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

One of the factor causing the low of productivity of mungbean in Indonesia is soil fertility, seed, planting, protection, and irrigation. The existance of organic element absorbed by plants is one of the factor affecting the plant production. This research aimed to find out the effect of N P K fertilizer on the residual effect of organic substance derived from hull of rice and chicken manure to the growth and result of mungbean. The experiment was using Split Plot Design by the main plot was the level of residual of organic substance (B), consisted of B1: hull of rice 10 t/ha and B2: chicken manure 10 t/ha. As the sub-plot was: dosage of N P K fertilizer (N) consisted of (N1): without fertilizer, (N2): 33 kg P2O5 ha-1, 37 kg K2O ha-1, (N3): 23 Kg N ha-1N, 37 Kg K2O ha-1, (N4): 23 Kg N ha-1N, 33 Kg P2O5 ha-1,(N5): 23 Kg N ha-1N, 33 Kg P2O5 ha-1, 35 Kg K2O ha-1. The variables observed were height of plant, sum of leaf, dry weight of plant, small pimple root of plant, wide of leaf, and LAI (Leaf Area Index), sum of pea, weight of pea, weight of 100 peas, dry seed per ha, sum of harvest plant, and weight of pea. The result showed that N P K treatment given to the residual of organic substance of chicken feces or hull of rice did not give a significant effect. Data indicated that N P K fertilizer increase the growth and yield of mungbean. The complete N P K fertilizer dosage (N5) given to residual of organic substance of chicken manure of 10 t/ha could increase the yield of ha-1dry seeds

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