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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 11, No 2 (2011)" : 13 Documents clear

BOBOT BADAN DAN UKURAN TUBUH SAPI PERAH BETINA FRIES HOLLAND DI WILAYAH KERJA KOPERASI PETERNAK GARUT SELATAN Asep Permadi Gumelar; Rian Aryanto
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Experiment was conducted from Juli until August 2011. The aims of this experiment is to obtained, study and to find out about weight and size of body female cattle diary Fries Holland at area of Cooperative of South Garut Husbandary in region of Garut. Survey methodology was used to observation and measure weight, size of female diary cattle. Research result showed that female diary cattle have weight about 307,68±21,85 kg; KV 7,1%; LD 157,23±3,88 cm; KV 2,47%; TP 121,63±3,28 cm; KV 2,70%; PB 127,92±3,11 cm; KV 2,43%; LeD 29,74±1,18 cm; KV 3,97% and LeP 36,59±1,73 cm; KV 4,74%. Evaluation continued by using table distribution also showed point 1,68 with t value for BB 2,30; LD 3,77; TP 13,25; PB 6,17; LeD 4,13 and LeP 2,22. It is concluded that evaluation of weight and size of body female diary cattle was accepted due to value of point higher compared with table distribution

PENGGUNAAN BEKATUL FERMENTASI “Aspergillus Niger “ DALAM PAKAN TERHADAP KARAKTERISTIK ORGAN DALAM AYAM PEDAGING Nonok Supartini; Eka Fitasari
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

The purpose of the research was to study the effect of Aspergillus rice bran fermentation on intestinal characteristic (pH, intestinal digest viscosity, proteolitic intestinal digest activity) and internal organs weights (liver, bile, pancreas). The materials used for this research were 96 Lohman broiler chicks with average initial body weight of 47,99 ± 4,93 g without difference on the sexes. The method used Complete Random Plan (RAL) with 4 treatments ie control (P0), control + 5% rice bran fermentation (P1), control + 10% rice bran fermentation (P2), and control + 15% rice bran fermentation (P3) with repeated 6 times. If there were significant influence it would be further tested with Duncan’s Multiple range Test (BNT). The result showed that treatments gave very significantly affected (P0.05) on internal organs. The conclusion is that the using of 15% rice bran fermentation gives the best result based on intestinal characteristics

PENILAIAN PETANI TERHADAP PERANAN PENYULUH PERTANIAN SEBAGAI AGEN PERUBAHAN DI KECAMATAN DAU KABUPATEN MALANG Ahmad Zubaidi; Umi Rofiatin
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Agricultural extension activity in agricultural development acts as a bridge between farmers and agricultural extension agency in order to inform agriculture innovation to support and to enhance farmer business. The study aimed to determine the farmers' assessment of the role of agricultural extension investigators as an agent of change (facilitators, dynamists/liaisons and motivators) with success level of farmers. This research was carried out for 6 months, in the working area of Agricultural Extension Center of Dau Sub District of Malang Regency. The population sample was farmer groups consisted of 6 groups of beginner, 5 groups of advanced, and 3 groups of middle. The study found that farmers' assessment of the role of agricultural extension as an agent of change as a facilitator and dynamist/liaison, was not good enough and as a motivator had not been optimal yet. The success of farmers in farming in the last growing season is not good even though farmers are already implementing any new innovations with awareness. The relationship between farmers' assessment of the role of agricultural extension as a change agent with the success of farmers in farming was as facilitators, motivator, and dynamist affected the success of farmers in farming on the implementation of changes in farming activities and income of the last planting season

FOTOPERIODE DAN PEMBUNGAAN TANAMAN Sutoyo Sutoyo
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Photoperiod is the relative ratio between the length of time during the night. The response is the development of the plant against photoperiod called photoperiodism. Vegetative growth that is affected is the formation of bulbs and tubers, branching, leaf shape, the formation of pigment, hair formation, root development, seed dormancy and death. Reproductive growth is influenced by photoperiod is the formation of flowers, fruits and seeds. Flowering in plants is influenced by three factors: photoperiod, phytochrome and the biological rhythms of plants. Knowledge of plant responses to photoperiod can be used (1) selection of the plant before it is introduced into a region need to be tailored to the requirements photoperiod area, (2) artificial irradiation is widely used in horticultural plants to control flowering season and to increase the yield of plants in greenhouses, and (3) artificial light can allow cross it flowerence different plants that season when the natural conditions

PROSPEK PENGEMBANGAN KOMODITI JAGUNG DI KECAMATAN BLULUK KABUPATEN LAMONGAN Djohan Budiman; Eri Yusnita Arvianti; F. Kasijadi
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Bluluk District is known as a production centre of maize in Lamongan Regency. However, the optimum maize production in this area not has not been met. This study was aimed to (a) implementation of agribussiness system in developing maize, (b) trend of harvesting area and maize yield, and (c) policies supporting maize development. This study was conducted from August 2009 – January 2010. Samples selected for this study comprised 30 farmers. The collected data were primer and secunder and the data to analyses with Qualitative-descriptive, Trend and SWOT. Results of this study showed that: (1) agribusiness system for maize development has not been maximally implemented, (2) trends of harvest area and production of maize were linear and tended to increase every year, and (3) the policy strategies for maize development using agribusiness approach consist of several aspect: (a) production, (b) institutional, (c) financial, (d) harvest technology, (e) marketing, and (f) human resource

KAJIAN EKONOMI USAHATANI KUBIS DI KECAMATAN SUKAPURA KABUPATEN PROBOLINGGO Ana Arifatus Sa’diyah; Rikawanto Eko Muljawan
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Probolinggo Regency especially Sukapura is one of cabage production center area since this area is very suitable for cabage plants. Some problems are always faced by the farmers in that area was restrictiveness of capital such as wide of land, seeds, fertilizer, medicines, and employees. This research aimed to find out the productivity of cabage, factors affecting cabage production, income of farmer business entity of cabage, and efficiency of product ion cost at farmer business entity of cabage. The research method used was descriptive and correlation method, by determining the area purposively (purposive method). The method used to take the example was Disproportionate Stratified Random Sampling Method by stratum of area’s height. The data collection was done by using primary and secondary data. The data analysis used covered: (1) analysis of productivity index to know the productivity of cabage, (2) analysis of production function of Cobb-Douglas to know the factors affecting the cabage productivity, (3) analysis of income to know the profit of cabage farmers, and (4) analysis of R/C ratio to know the efficiency of production cost at farmer business entity of cabage. The research result done showed that: (1) the cabage productivity was 31,500 kg/ha; (2) the cabage productivity was affected by the wide of land, seeds, fertilizer, medicines, employees, and height of location, (3) the farmer business entity of cabage was profitable, and (4) the use of production cost at farmer business entity of cabage was efficient (R/C = 2,33)

MAKSIMALISASI KEUNTUNGAN PADA PRODUK OLAHAN UBI KAYU DENGAN MENGGUNAKAN LINIER PROGRAMMING METODE SIMPLEK Eri Yusnita Arvianti; Kusnia Rindi A.S
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Company cassava chips "dolphin" is one of the agro-industry that can compete with other agro-and agro-industries can increase sales of their products so they can get maximum benefit. So that could be done using linear programming is by using the simplex method. Based on the results obtained by the company gets the maximum profit of IDR 4.04 million/day within 1 week maximum profit of IDR 24.24 million in a month so the maximum profit of IDR 105,040,000,- and known to the optimal production of cassava chips cassava chips located on the sweet taste with the production of 950 kg/day. While for cassava chips savory flavors produce only 350 kg/day

KAJIAN PENINGKATAN PEMANFAATAN KOTORAN SAPI MENJADI BIOGAS DENGAN METODA SWOT DAN AHP DI DESA WANGUNSARI KECAMATAN LEMBANG P. Renosori
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

At present there are 400 dairy cattles belonging to the people in Wangusari village. There is only 50% of the cattle manure used as organic fertilizer and that used as biogas is only 5%. An alternative strategy is thefore needed to improve utilization of the cattle manure. In this study, SWOT analysis was applied to evaluate new strategy and its implementation. Further evaluation of the alternative strategy was conducted using Analytical Hierrcy Procees (AHP). The result showed that there were three high values as follows: continuous supervision on farmer’s group, development of biogas installation to get more effective practices, and investation improvement to install biogas equipment

DEHIDRASI KATALITIK MINYAK JARAK DENGAN DISERTAI PENGALIRAN GAS Taufik Iskandar
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Dehydration to be run by heating castor oil and of natrium sulphate hydrogen at temperature, certain time is at the same time swirled and emited a stream of by carbon gas of dioxid. Result of which is to determined by its iodine number, sour number, viscosity, diffraction index, specific gravity and colour. Situation of good process is usage 0,946 gmol; 100 g castor oil; NaHSO4 3% from oil weight, temperature 1900C, time 45 castor oil amount and minute 100 g, for gourd 500 cc. biggest and time reaction of. Iodine number which have been reached 181,5 or increase of iodine number 98,3 from its value in oil initialy

PENGGUNAAN BEBERAPA MEDIA DAN PEMUPUKAN NITROGEN PADA PEMBIBITAN KELAPA SAWIT Astutik Astutik; Fauzia Hulopi; Ahmad Zubaidi
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

The quality of palm oil is determined by the quality of land and seeds from the seedling. The Selection of seedling media is an important factor to support the development of the seedlings until the seedlings can be planted into the field. The study aims to determine the effect of several types of seedling media and nitrogen fertilization on the growth of palm oil seedlings. The study was conducted at field experiment of Tribhuwana Tunggadewi University with height of 523 m above sea level, for 4 months. The research used Randomized Block Design with three replication (RAK) of factorial with factor 1: seedling medium (M) consisted of: M1 = soil:sand (1:1), M2 = soil:manure (1:1) and M3 = soil:sand: manure (1:1:1). Factor 2 was the nitrogen fertilizer dosage comprising 4 levels of the nitrogen fertilizer: 0 g (U0), 5 g (U1), 10 g (U2) and 15 g (U3), so there were 12 combinations of each treatment was repeated 3 times. Observations were made at high parameters of seed, seed stem diameter, leaf number, leaf area, and total dry weight of seed. The results obtained that the using of media types interact with nitrogen fertilization in supporting the growth of seedlings (stem diameter). The best oil palm seed obtained in the medium of sand: soil:manure (M3) with 15 g of urea fertilizer per seed was able to produce the largest stem diameter (0.37 cm) up to age 2 months. Separately, 15 g urea nitrogen fertilization produces the best seeds (number of leaf, leaf large, and top dry weight), while the best seedling media was the mixed media of soil:sand:manure

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