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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 8, No 2 (2008)" : 13 Documents clear

PENGGUNAAN LIMBAH SABUN SC-88 SEBAGAI PUPUK DALAM USAHATANI PETSAI Said Masduki
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

A demonstration plot on the use of SC-88 soap waste as manure for planting petsai (Brassica chinensis) had been conducted at Tlogomas village, Lowokwaru regency of Malang for 6 month by involving farmers of Barokah Farmer Group of Tlogomas village and extention workers of Malang Agricultural Board in the form of discussion and excursion on the demonstration plot. Results of this activity showed that all farmers of the Barokah Farmer Group were interested in the use of SC-88 soap waste as manure for planting petsai. Extension workers of Malang Agricultural Board will develop the use of SC-88 soap waste as manure for planting petsai as one of their extension course materials. Petsai planted in a 6 m2 field yielded 14 kg of petsai. This will give income that ranged from Rp.35.0000 to Rp. 56.000

PENDAPATAN USAHA PEMBUATAN INSTAN TEMU PUTIH DI KAWASAN LERAGERE KECAMATAN LEBATUKAN KABUPATEN LEMBATA Asnah Asnah; Bediona Felik
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

White temu is one of plants which is included in pharmaceutical commodities and has potentially prospect to be developed in Leragere. So far, white temu has not been managed intensively because there is lack of knowledge about the importance of white temu to explore to be pharmaceutical product. In fact, white temu will give an opportunity to increase people income, especially if white temu is formed as instant drink white temu. This research is aimed to study cost, revenue, profit and efficiency of white temu producing in Leragere area. Location is purposively determined as Leragere is considered as white temu area development. The samples are decided as many as 25 people, in line with quota systematic sampling with reason of population homogeneously characteristic. Collected data is included primary and secondary data, which is managed by using farming analysis tool in line with research goal and it is interpreted as equal as analysis result

PENGARUH PEMANGKASAN TANAMAN SENGON TERHADAP KERAGAAN TANAMAN SELA DALAM SISTEM AGROFORESTRI SENGON Abdul Hamid
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The effects of pruning of Paraserianthes falcataria tree in an agroforestry system on yield of intercrops and tree performance were studied at Perhutani RPH Jatirejo, BKPH Pare, KPJH Kediri. Maize, stick nut, and chili were used as companion crops in between rows of two years old Paraserianthes falcataria tree. A split plot design with four replicates was set up for the experiment. The trees were 25%, 50% and 75% pruned. The measured parameters included growth and yield of the intercrops and performance of the tree. Results of this study showed that regular pruning of the agroforestry tree and planting of intercrops did not hinder growth and performance of the agroforestry tree, especially that was pruned 75%. Pruning of the tree also increase yield of the intercrops

UJI BEBERAPA TEKNIK GRAFTING MANGGA VARIETAS GADUNG Astutik Astutik
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

This research aimed to find out the effect on several mangoes grafting techniques on the growth of seed of Gadung mango variety. Five treatments consisting of A = wedge attached [spleed ent], B = inverse wedge attached [plact ent], C = slanting attached [Kina method], D = grafting [budding], and E = double and stems attached [double spled ent] were arranged in a single randomized block design with three replicates. The observed parameters included the beginning of new sprout of bud, the amount buds, height of the bud, the number of leaves, and the width of leaves, as well as the percentage of grafting succeeded. Results showed that several techniques of grafting influenced the initiation of a new fresh bud, bud heights and widths of bud in approximately 8 and 10 week after grafting, number of leaves in each season of observation, and succeed percentage on grafting. Double ent stem attached [double spleep ent] resulted highest quantity with numbers of buds around 2,59, heights of buds around 8,37 cm, number of leaves were about 17,64 ; the width or leaves around wedge attached [100 %] was better than double ent stems attached [92,5 %]

PENGARUH KOMBINASI DOSIS PUPUK ORGANIK DAN ANORGANIK TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KACANG TANAH Fauzia Hulopi
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

This research aimed to study the influence of inorganic and organic manure combination rate on peanut crop yield and growth. The experiment applied randomized block design which was arranged as factorial. The first factor was rate of farmyard manure and the second factor was rate NPK fertilizer. Data were collected through measurements of plant high, number of branch, number of leaves, plant biomass weight, heavy and wet heavy run dry polong, number of polong and heavy 100 dry seed. The results showed that there are real interaction between treatment of organic manure and inorganic manure to component of vegetative and generative except plant biomass weight. combination farmyard manure 1 kg /plot and NPK fertilize 20 g /plot (A1N1) represent optimum dose at peanut crop conducting posed at by variable is number of polong equal to 21.07 polong, weight of polong equal to 63.16 g, dry weight of polong equal to 37.74 g and 100 dry seed equal to 47.79 g/ plant

ANALISIS USAHATANI DAN PEMASARAN KEDELAI DI KECAMATAN KETAPANG KABUPATEN SAMPANG Ahmad Zubaidi
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The aim of this research were to study and analyze the cost, income and profit of soybeans farming, the efficiency and study the pattern of soybeans marketing and marketing margin and price share toward the farmers. The research has been done during May until June, 2004. The research uses simple random sampling population on soybeans farmers. Total respondent were 51 persons. Data used in this analysis were primary and secondary data. Methods analysis used in this study were farming analysis, Revenue Cost Ratio and analysis of margin and price share. The result of the research showed production cost Rp. 2.414.247,64/ha, farming income was Rp. 4.781.047/ha, farming profit was Rp. 2.366.799/ha and R/C value was 1.98. Soybeans’ marketing in Ketapang District consists of two distribution channels, (a) Farmers  Brokers  Collectors, and (b) Farmers  Collectors. The marketing cost of soybeans in commission agent for first channel was Rp. 185/kg, meanwhile the marketing cost of soybeans in buyer-up was Rp. 198/kg for first channel and Rp. 199/kg for second channel. The profit that commission agent received was Rp. 355/kg for first channel, meanwhile profit that buyer-up received that was Rp. 335/kg for first channel and Rp. 901/kg for second channel. The margin value of soybeans marketing in Ketapang District for commission agent was Rp. 575/kg for first channel and in buy-up was Rp. 600/kg for first channel and Rp. 1.163/kg for second channel

PRODUKSI ENZIM XYLANASE MELALUI SELEKTIFITAS MOISTENING AGENT SECARA FERMENTASI S.P. Abrina Anggraini; Fenni Suryanti
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The environmental pollution is serious problems in the pulp and paper industry especially in lignin degradation process. Recently conventional bleaching process used toxic chemicals such as chlorine that is harm full for the environment. Therefore, an alternative technology, i.e enzyme technology that can reduce chlorine using is required. The goal of this project was to produce the best xylanase activity from Aspergillus niger using solid state fermentation method with wheat bran substrate in which several kind of moistening agent (MA) was selected and the effect of enzyme abilities to degradation hemicelluloses. The experimental result showed that the best xylanase activity was produced using wheat bran : MA ratio (w/v) 1:2, that is 3,1703 IU/ml and cellulase was found to be 1,5299 IU/ml after 4 days incubation with MA nitrogen organic salt solution. With the same variable, addition additive xylose give xylanase activity to be 3,856 IU/ml and cellulase is 1,614 IU/ml

EFEK FEED SUPLEMEN (VITERNA) TERHADAP PENAMPILAN PRODUKSI AYAM PEDAGING FASE FINISHER Nonok Supartini
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

This research aimed to study the effect of Viterna Usage on woof performing production of the broilers finisher. Items witch used in the research were 80 broilers (female) strain Lohman with age 1 – 42 days. Attempt device that used is complete random device (CRD) that using 5 treatment with 4 restating water/day. Treatment description is P0 control; P1 use viterna 0,5 cc/l drinking water/day; P2 use viterna 1,0 cc/l drinking water/day; P3 use viterna 1,5 cc/l drinking water/day; P4 use viterna 2,0 cc/l drinking water/day. The result showed that the effect feed supplement (viterna) with different dose for each treatment do not give the performing production. Suggestion for further more research about influence of viterna usage to woof consume, body weight accretion and woof conversion at broiler with different dose have use woof mixture until viterna usage at broiler with different dose have use woof mixture until viterna usage more effective

KAJIAN KERAGAAN TIGA VARIETAS KACANG TUNGGAK DAN KEBERADAAN RHIIZOBIUM INDIGEN DI LAHAN LEBAK KALIMANTAN SELATAN Jamzuri Hadi
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

A field experiment had been conducted to study growth performance and yield of stick nut in tidal swamp land of South Kalimantan as well as to describe growth of Rhizobium colony and to obtain dominant indigenous Rhizobium isolate in the area. The experiment was conducted in shallow tidal swamp land of Hulu Sungai Selatan Regency and in middle tidal swamp land of Hulu Sungai Tengah Regency of South Kalimantan. Varieties of stick nut used for the study were Nagara local variety, high yielding varieties of KT-2 and KT5. The stick nut seeds were planted in a 4 x 3 m plot with planting distance of 75 cm x 50 cm. Measurements were stick nut performance, nodule distribution patterns and characteristics of indigenous Rhizobium. Results of this study showed that there were no significant differences in plant performance of the tree varieties in the two land types. However, diversity index of Rhizobium and nodule distribution patterns observed in the shallow tidal swamp land differed from those observed in middle tidal swamp land’. Three dominant Rhizobium isolates were found in the two land types

USAHA PENGOLAHAN IKAN TAWES PRESTO DI PESISIR WADUK GAJAH MUNGKUR KABUPATEN WONOGIRI Eri Yusnita Arvianti; Pandoyo Pandoyo
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

A study that was aimed to describe the effects of capital, selling price and labour cost on income from presto tawes fish processing business at area of Gajah Mungkur Reservoir, Wonogiri Regency was conducted at Wonogiri and Wuryantoro Districts. Thirty farmers out of 42 farmers dealing with such a business were used as respondents. Results of this study showed that capital, selling price and labour cost either simultaneously or partially affected income. Capital was the most dominant variable affecting income of presto tawes fish processing business

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