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Kota malang,
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INDONESIA
BUANA SAINS
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 13 Documents
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Search results for , issue "Vol 17, No 1 (2017)" : 13 Documents clear
POLA WILLINGNES TO PAY (WTP) KOMODITI TAHU DAN DAGING MASYARAKAT KOTA MALANG Umi Rofiatin; Taufik Iskandar
BUANA SAINS Vol 17, No 1 (2017)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.589 KB) | DOI: 10.33366/bs.v17i1.584

Abstract

Soybeans and meat are the most strategic food commodities and are very risky if it is fully entrusted to the mechanism of the free market. The point is, soy and meat commodities have a very central role in national food policy channels. One of the agricultural ministry targets for 2010 - 2014 is to increase food diversification, especially to reduce rice and wheat consumption. During 2010 - 2014, rice consumption is targeted to fall by 1.5% per year and balanced by increasing in consumption of tubers, animal foods, fruits and vegetables. On the other side, it is also strived to achieve a diverse, nutritious, balanced and safe food consumption pattern as reflected by the increase of Expected Food Pattern (PPH) scores from 86.4 in 2010 to 93.3 in 2014. This study aimed to determine the characteristics of the community in taking decision to buy food products from both tofu and meat sources and to analyze the key factors of consumer’s willingness to buy tofu and meat by using multiple linear regression methods. The results of the study showedthat the characteristics of respondents in the research that affected the gender of respondents were women because married women were the decision makers in terms of household needs. The factors that affected the willingness of consumers to pay tofu were: taste, price and size. Meanwhile, thefactors that affected consumers' willingness to pay for meat were price and shape.
ANALISIS RESIDU PESTISIDA PADA JERUK MANIS DI KECAMATAN DAU, MALANG Astri Sumiati; Reza Prakoso Dwi Julianto
BUANA SAINS Vol 17, No 1 (2017)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (275.783 KB) | DOI: 10.33366/bs.v17i1.574

Abstract

Citrus is one type of fruit that is highly favored by the people. Citrus plants are vulnerable to pests and plant diseases that intensive use of pesticides in the field can not be avoided. Citrus fruits commonly consumed in the form of raw materials that need to be considered food quality and safety of citrus fruits to public health. This study aims to identify and analyze pesticide residues in citrus fruits in the district of Dau, Malang (a case study in the Village Tegalwaru subdistrict Dau, Malang) as one of the centers of citrus production in East Java with the use of pesticides are quite diverse. This research is a survey and observational with cross sectional approach. Data use of pesticides by farmers was measured by a survey conducted for the farmers and merchants. The sample was 3 kg of oranges produced by three farmers and 3 kg of oranges produced by 3 merchants Village Tegalwaru District of Dau, Malang where interviews illustrate the differences in the type and frequency of the use of pesticides during the growing season oranges, which is a high level (sample A ), medium (sample B) and low (sample C). The measurement results residues acephate, carbofuran, carbosulfan, diazinon, dimethomorp, fenobucarb, profenofos, pyrethrin everything is still below the Limit of Detection (LOD) testing in the laboratory PT. Angler Biochem Lab. In profenofos residue tests on samples found to be higher farmer is 0.108 ppm compared with a sample of traders is 0,050 ppm. The conclusions of this study are bauh oranges produced by farmers in the sub-district Tegalwaru Dau, Malang get evidence that pesticide residues are still below the prescribed MRL.
KEMAMPUAN Bacillus subtilis dan Pseudomonas fluorescens DALAM MELARUTKAN FOSFAT DAN MEMPRODUKSI HORMON IAA (Indole Acetic Acid) UNTUK MENINGKATKAN PERTUMBUHAN TANAMAN TOMAT Istiqomah Istiqomah; Luqman Qurata Aini; Abdul Latief Abadi
BUANA SAINS Vol 17, No 1 (2017)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (299.403 KB) | DOI: 10.33366/bs.v17i1.580

Abstract

Tomato is an important horticultural commodity in Indonesia and plays strategic role in fulfilling daily needs of the public. The increase in production of tomato can be done by optimizing the provision of nutrients that support growth. The ability of bacteria as biological fertilizer to dissolve phosphate and produce IAA (Indole Acetic Acid) are important criteria for the use of bacteria as agents of plant growth promoters. The purpose of this study was to determine the ability of some isolates of Bacillus subtilis and Pseudomonas fluorescens in dissolving phosphate and produce IAA to enhance the growth of tomato. Phosphate test results showed that all isolates of B. subtilis and P. fluorescens capable of dissolving phosphate with the highest value indicated by P. fluorescens UB-PF5 (18 mm). All isolates of bacteria capable to produce IAA. The resulting value IAA ranged from 0.69 to 1.09 ppm with the highest value produced by B. subtilis UB-ABS2 (1.09 ppm). The test results on the parameters of root weight, root length, plant height and number of leaves showed that tomato treated with B. subtilis and P. fluorescens increased significant growth compared with watering only with distilled water. The highest increased root weight and root length were resulted by P. fluorescens UB-PF5 with values 97.10% and 64.83%, respectively. The highest increased plant height and number of leaves length were resulted by P. fluorescens UB-PF6 with values 38,80% and 30,7%, respectively.

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