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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 510 Documents

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Kajian Tingkat Kenyamanan Berdasarkan Termal Humidity Index (THI) Lanskap Jalan Soekarno Hatta Kota Malang Rizki Alfian; Nuraini Nuraini
BUANA SAINS Vol 19, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Streets as part of the city's landscape that support the function and activities of the city. Each street in the city area has a streetscape which aims to support the users activities. Soekarno Hatta street is one of the protocol street in Malang city with the track area which is quite famous and one of the loud route in Malang City. This research aims to: 1) identify vegetation on the streetscape on Soekarno Hatta street; 2) analyze thermal comfort on the Soekarno-Hatta streetscape. Based on the observation, it is known that the trembesi population dominates at the Soekarno Hatta streetscape. Soekarno Hatta street has an average temperature of 31.1 ° C and an average humidity of 57%. Soekarno Hatta street has THI value of 28.43 whereas THI value which is categorized as comfortable is between 21 - 27. Based on the physical observation on Soekarno Hatta streetscape needs to be done vegetation arrangement because the vegetation in Soekarno Hatta Street has a high density of trees that will interfere with canopy growth when reaching the maximum size. Selection of appropriate shade vegetation and regular maintenance is expected to improve the comfort level in each way. In addition to vegetation, the physical condition of the pedestrian on Soekarno Hatta Road also needs a redesign to support the comfort of pedestrians.

REVIEW : PEMANFAATAN TEKNOLOGI GREENHOUSE DAN HIDROPONIK SEBAGAI SOLUSI MENGHADAPI PERUBAHAN IKLIM DALAM BUDIDAYA TANAMAN HORTIKULTURA Edi Tando
BUANA SAINS Vol 19, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v19i1.1530

Horticulture plant is essential component of agricultural development. It brings benefits products horticulture meet their food needs , aesthetic and to maintain health and environment. Climate change and the limited resources land causing loss for farmers food crops and horticulture. The purpose of drafting this paper is to inform the utilization of technology greenhouse and hydroponics as solutions to deal with climate change in the cultivation of plants horticulture. To get the result harvest season which is satisfying in the cultivation of plants horticulture , need to pay attention to environmental factor growing plants. The utilization of greenhouse in the cultivation of plants is one of a manner to give the environment that were more accessible for the condition of optimum position for the growth of plants. The use of hydroponics in cultivation crop can be implemented in greenhouse to keep the growth of plants optimally and protected from outside influences

UMUR SIMPAN KOPI LENGKUAS INSTAN MENGGUNAKAN METODE ACCELERATED SHELF LIFE TESTING (ASLT) DENGAN PENDEKATAN PERSAMAAN ARRHENIUS Ratih Yuniastri; Ismawati Ismawati; Dyah Ayu Fajarianingtyas
BUANA SAINS Vol 19, No 2 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Galangal is one of the herbaceous plants that thrive in the Sumenep area and has been utilized by one of the Agro-industries in this area to become an instant galangal coffee product. Galangal processed products are one way to extend the shelf life of galangal. A decrease in quality during product storage can have an impact on the shelf of the product. To provide food safety guarantees for consumers and to support the creation of food independence, information about the shelf life of this product needs to be included. This research is to estimate the shelf life of instant galangal coffee products using the Accelerated Shelf Life Testing (ASLT) method with the Arrhenius approach, using a randomized block design (RBD). An increase in color and water content of instant galangal coffee indicates a decrease in product quality during the storage process. The parameter used to estimate the shelf life of products based on research results is water content. The initial water content of 5,237% with a critical water content of 18,67% and based on the Arrhenius equation the rate of water content increase was K = 656,94.e-3150,7(1/T). The shelf life of the instant galangal coffe product under study was 671 days at storage temperature 30oC; 411 days at 45oC: and 352 days at 50oC wit RH condition maintained at 70%.

PENGARUH SP-36 DAN ASAM HUMAT TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN KEDELAI ( Glycine max L) Fajar Setyawan; Feri Setyawan
BUANA SAINS Vol 19, No 2 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Soybean is a food crop commodity that is needed by the Indonesian population because it is a source of vegetable protein, fat, vitamins, and minerals. To increase soybean production one of the things that needs to be done is the addition of phosphorus to increase the density of soybean seeds. The purpose of this study was to determine the effect of interactions between the administration of SP36 fertilizer doses and humic acid doses on the growth and production of soybean (Glycine max L) Dega 1 variety. Plosoklaten, Kediri Regency, with a height of 105 meters above sea level, with sandy loam soil type with soil pH 5. The study used factorial randomized block design (RBD) consisting of two factors, repeated 3 times. Parameters observed were Plant dried weight, plant growth rate, number of pods/plants, the weight of Seeds per plot, yield, observation data were analyzed using analysis of variance (F test). The results of the analysis of the real variance were continued with the Significant Difference test at a 5% significance level to find out the difference between treatments. The first factor is SP36 fertilizer and the second factor is humic acid. Based on the results of research that has been done, there was an interaction between the administration of SP36 fertilizer and humic acid in the parameters of plant dry weight at the age of 14 and 21, number of pods, seed weight per plot and yield., Giving fertilizer SP36 200 kg /ha with humic acid 50kg / ha can increase crop production by 43% compared to without SP36 and without humic acid.

FORMULASI GULA AREN DAN JAHE PADA PERMEN LEATHER MENGKUDU SEBAGAI PANGAN FUNGSIONAL Rika Diananing Putri; Aryo Wibisono; Dody Tri Kurniawan
BUANA SAINS Vol 19, No 2 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Functional food is a nutrient that is needed by the body, besides the basic components contained in food. Supporting local resources such as spices, tuber crops, vegetables, fruit and so on. Noni is one of the potentials of local plants that are classified in functional food. Noni fruit is rarely liked because of the pungent aroma. With a touch of food engineering technology, the noni fruit can be used as a processed product in the form of snacks that contain nutrients for the body. This supports the research in making noni fruit products into leather candy that can be liked by the public. Noni leather candy formulation with the addition of palm sugar and ginger in a sequence of 25%, 35% and 10%, 20%, 35%. Stages of research using organoleptic (hedonic) tests on the taste, color, aroma, and texture of noni leather candy, using the two-way ANOVA Complete Randomized Design (RAL) method and continued with the Duncan's Method Range Test (DMRT). Panelists included 40 semi-trained, 60 nontrained. The resulting average in color is 3.82; taste 4,6; aroma of 3.58; texture 3.82. Based on these results, the dominant formulation preferred by panelists is A2J3 (35% palm sugar; 30% ginger) followed by laboratory testing which includes water content using a gravimetry /oven method, the result is 20.82%, ash content using a gravimetry method /furnace the result 3.99%, protein content using the Kjeldahl method /tool with a yield of 4.54%, fat content using the Soxhlet method with a yield of 0.07%, carbohydrate content using the method /tool by difference with a yield of 70.58%, antioxidant activity using DPPH produces 38.35Meg / 100gr and vitamin C content using the LOD titration method resulted in 225.7%.

KAJIAN KEARIFAN LOKAL BUDAYA MELAYU DI DESA PANGKALAN BUTON, KECAMATAN SUKADANA, KABUPATEN KAYONG UTARA Irawan Setyabudi; Ade Rohan; Wahidyanti Rahayu Hastutiningtyas
BUANA SAINS Vol 19, No 2 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Human understanding of nature and forms of human behavior due to its closeness to cultural elements, shape the local wisdom of the community. Cultural values, attitudes, and behaviors that are culturally oriented in the life structure of local communities shape the cultural intelligence of a community, which is formed in the existing traditional rituals. Customary rituals have different meanings and procedures in each region, specifically in Pangkalan Buton Village, Sukadana Subdistrict, the surrounding community interprets it as a tribute to their ancestors or ancestors as a form of gratitude. Based on observations made by researchers, there are several traditional rituals such as the tradition of Nyambut Tamu, Tepung Tawa, Betangas, and Mandi Safar. The problem is the tradition is rarely seen because of the rapid progress of the times, making the behavior or knowledge of an object that is Malay culture increasingly fade, especially among teenagers. The purpose of this study was to identify the local wisdom of Malay culture through several traditional rituals in the village of Pangkalan Buton. This research method is a qualitative study, using the Focus Group Discussion (FGD) method as a data processing tool that has been collected previously in the traditional rituals of Nyambut Tamu in the village of Buton base. The stages of the research began from the identification of problems, permits, observational studies in the form of data collection and interviews to the process of analysis-synthesis associated with the Malay cultural traditions. The results of the study were in the form of descriptions of various forms of local community cultural traditions, especially in the residents of Pangkalan Buton village, Sukadana District, Kayong Utara Regency. The study concludes that each region in the archipelago has a unique tradition that is different and needs to be preserved, with the results of this identification will bring up a 'sense of belonging' for local residents.

KETAHANAN PANGAN DAN BEBERAPA ASPEKNYA Adji Sastrosupadi Sastrosupadi
BUANA SAINS Vol 19, No 2 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Food self-sufficiency mainly for rice has been known since the old order regime by the implementation of five efforts to agricultural technology, seven, ten and suprainsus ones. In that condition Indonesia has been succeeded in rice self-sufficiency, therefore Indonesia got appreciation from FAO in 1984. In the reformation era, there was a new paradigm namely food security and in President Joko Widodo's regime known as food-sovereignty. In the first step to realized food security and sovereignty, Indonesia has to be able to food self-sufficiency, especially for rice. In that condition Indonesia has been succeeded in rice self-sufficiency in 1984, therefore Indonesia got appreciation from FAO. The main factors affected these paradigms as mentioned above were technical as agricultural technology and now technically ones as socially, economically and behavioral culture of farmer or community. The first factor easily to be solved because so many technologies have been resulted by the research institute, university and private, but the adoption of technology, which has been resulted in the farmer still not yet optimum. The second ones were more difficult to be solved due to the behavior of the farmer or community. Other than three aspects of food, food safety also necessary to be interested, because healthy food has to be free from bacteria and dangerous chemical substances. The success of all paradigms mentioned before not only need cooperation between agriculture and trade departments, but also other sides concern with all paradigms.

PENGARUH PEMBERIAN HORMON NAA, PUPUK GANDASIL DAN PUPUK GROWMORE PADA PERTUMBUHAN TANAMAN ANGGREK Astri Sumiati; Astutik Astutik
BUANA SAINS Vol 19, No 2 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Orchid is an ornamental plant, including the Orchidaceae tribe, which is widely favored among the ornamental plant community because it has high economic value, unique shapes, attractive colors and longer-lasting blooming flowers, one of which is a Phalaenopsis orchid. One of the efforts to accelerate the vegetative phalaenopsis can be done with the application of the NAA hormone and leaf fertilizers such as Gandasil fertilizer and Growmore fertilizer. The aims of this research to determine the effect of NAA, Gandasil and Growmore fertilizer types on the growth of hybrid Phalaenopsis orchids. The study was conducted at Greenhouse Jalan Tlogomas Kec. Lowokwaru, Malang City, for 5 months. The experiment was carried out using a factorial Completely Randomized Design (CRD) consisting of 2 factors namely, the factor I: NAA concentration: control 0 ppm (N0), 100 ppm (N1), 200 ppm (N2), and 300 ppm (N3). Factor II: leaf fertilizer, Growmore (P1) and Gandasil D (P2). Variables observed included: when buds appeared, leaf length, leaf width and percentage of live plants. The results showed that there was an interaction between the concentration of NAA and the type of leaf fertilizer on the emergence of shoots. When the fastest shoots appear at 100 ppm NAA, Growmore fertilizer (N1P1), which is 29 days. The NAA hormone influences the increase in leaf length and leaf width until 16 weeks of age. The best growth of hybrid Phalaenopsis was obtained at the administration of 200 ppm NAA with an increase in leaf length of 1.49 cm and an increase in leaf width of 1.06 cm until 16 weeks of age. Growmore and Gandasil D did not affect the vegetative growth of hybrid Phalaenopsis Orchid plants.

PENGARUH TIPE MULSA TERHADAP GERMINASI DAN PERTUMBUHAN TANAMAN JAGUNG UMUR MASAK SUSU DI LAHAN PASIR B. Suwignyo; B. Suhartanto; N. Supartini
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

The aims of this study was to determine the effect of mulch type on germination and growth of milk stage corn planted at critical sandy land. Plastic mulch and bio mulch (feedstuff used), were used on three beds planted with Pioneer® seed corn. Corn were planted with 25 x 50 cm in sand land Jangkaran Village, Temon, Kulon Progo, Yogyakarta. Litter manure waste was used as basal fertilizer by spreaded over the beds at the level 7.5 t/ha. Corn seed planted on the bed without basal fertilizer and mulch as a control. Chemical fertilizers in the form of urea and SP-36 is given in equal amounts and the corresponding frequency written on the label. Growth characteristic was measured every week. The study is used completely randomized design (CRD) and the data were analyzed by ANOVA with SPSS advanced analysis of LSD. Utilization of mulch has significant effect on the growth of corn plants compared to corn without mulch; bio mulch has the highest effect. Mulch has no significant effect to the germination. Utilization of mulch (both plastic and bio) in the critical sandy land are very recommended, while the bio mulch recommend to production and economic value

FAKTOR-FAKTOR YANG MEMPENGARUHI TINGKAT PENDAPATAN RUMAH TANGGA TANI DI KOTA BATU (Studi di Desa Tlekung Kecamatan Jonreju Kota Batu) Johanis Nifanngeljau; Muhamad Rifa’i; Nur Ida Iriani
BUANA SAINS Vol 19, No 2 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

Human resources are very important and must be had in an effort to achieve goals. Human resources are the main element for individuals who compare with other elements, which are supported to develop the existing potential. Capital resources or capital is one means to support the production process of an item or service. Capital does not only consist of technological money, equipment, machinery, land, information, and so on, including capital because it can support the production process. With the capital, the production process will become easier and more efficient, for example, the use of tractors by farmers will increase land management by other manual and traditional methods. Natural resources are resources derived from nature, they can be obtained as valuable goods or services. For example in planting patches in an area will make this area a producer of food or vegetables will be very beneficial for humans if it can be processed properly. In this study, the dominant or significant factor related to human resources has a significant 0,000 0.05 with a standard coefficient of 0.680 or contributes to farm household income of 68.0%. Capital resources have significant ownership of 0.001 0.05 with a standard coefficient of 0.526 or contribute to farm household income by 52.6%. While natural resources have significant ownership of 0,000 0.05 with a standard coefficient of 0.712 or contribute to farm household income of 71.2%. To make this refutation, it is necessary to re-evaluate the group in Tlekung Village, Jonrejo Subdistrict, Batu City, which are human resources, capital resources, and natural resources.

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