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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.

Arjuna Subject : -

Articles 500 Documents

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PENERAPAN TEKNIK BUDIDAYA UNTUK MENURUNKAN KADAR NIKOTIN TEMBAKAU Samsuri Tirtosastro; Pramono Sasongko
BUANA SAINS Vol 16, No 1 (2016)
Publisher : Universitas Tribhuwana Tunggadewi

Tobacco still in mainstay of farmers, particularly in dry area, depleted of nutritions with irrigation rainfed. Nicotine levels can depressed through the implementation of cultivation techniques such as assembling new varieties of low-nicotine, choose a type of leaf tobacco and select the appropriate position on the stem, use limited of nitrogen fertilizers, decreased of plant populations, without trim and discard axillary buds and others. Currently, the design of cigarettes needs to be studied closely as the basis for a policies was still in order. Utilization of smoke filter, porous paper, and potential blooming tobacco need to be optimize to produce smoke-free nicotine without changing the quality. While this effort may cultivated, it may impact in loss productivity and sales value. Moreover, natural resources use have not equally optimal due to suppress the levels of nicotine tobacco

KEMANTAPAN AGREGAT SETELAH APLIKASI BIOCHAR DI TANAH LEMPUNG BERPASIR PADA PERTANAMAN JAGUNG DI LAHAN KERING KABUPATEN LOMBOK UTARA Suwardji Suwardji; W.H. Utomo; Sukartono Sukartono
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

Evaluation of changeable agregat stability was done almost one year after application of biochar during rainy season 2010/2011 of three cyles maize planting in dryland of North Lombok. Three points of undisturbed soil samples in depth 0-20 cm were collected one month after maize harvest of previously addedbiochar land. Site of soil sample was treated by application of organic matter consisting of biochar coconut hust (BTK), biochar cow manure (BKS), one season application of manure (PKA), each season aplication of manure (PkB) and control (K : without soil amandement). The results showed that after one year application of biochar increased the limited value stability of soil agregat. The value was 61,37% and 61,18% for BTK and BTS, respectivel, while for treatment of PkA, PkB dan control gave value 58,44%, 66,62% and 57,11%. Increasing stability of soil agregat after application of organic soil amandement positively correlated with i the increase of soil organic and water soil retention. Therefore, experiment suggested that modification is needed for application biochar and manure in long period of maize cropping pattern in dryland of North Lombok

PENGARUH PENGEMBALIAN BERBAGAI BIOMASSA TANAMAN TERHADAP SERANGAN HAMA PENGGEREK BATANG KEDELAI Agromyza sojae Zehntn I. Baidowi; J. Tethool; H S. Pribadi
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

Afield experiment was conducted at Kampung Desay, District of Manokwari to determine the effect of several biomass applied to soil on the development of soybean stem borer infestations. A completely randomized block design was used with three replications. Seven treatments consisting of biomass monoculture of maize, peanut, soybean, mungbean and biomass intercropping maize + peanut, maize + soybean, maize + mungbean were tested. The results showed that biomass monoculture of maize significantly reduced intensity and population of stem borer. There was no significant different among production components, but the highest biomass was observed for intercropping maize + mungbean

EVALUASI KESESUAIAN LAHAN TANAMAN JAGUNG, KUBIS, KENTANG DAN WORTEL DENGAN MENGGUNAKAN PROGRAM ALES (Autometed Land Evaluation System) Bambang Siswanto; Wahyu Fikrinda
BUANA SAINS Vol 17, No 2 (2017)
Publisher : Universitas Tribhuwana Tunggadewi

The increasing need of land from year to year results in the narrowness of fertile and potential agricultural land. This condition causes an imbalance of land use, which can directly harm the agricultural sector. To be able to utilize land resources in a directed and efficient manner, it is necessary to provide complete data and information about land characteristics and land use requirements that will be cultivated. Information in the form of land characteristics and land use requirements is needed in land evaluation activities. Land evaluation conducted by using ALES program (autometed land evaluation system), in addition to facilitate the process can also be used for the evaluation of land economically. To evaluation land physical and economical for maize, cabbage, potato and carrot in Tulungrejo, Batu. This research was conducted in Tulungrejo Substrict region in Tulungrejo, Batu observation map plan soil and economic social data processing, evaluation model on ALES program. The research result was 17 soil mapping unit (SMU) according to soil survei result which consist of soil taxonomi with its spread SMU 1 Andic Dytrudepts, SMU 2 Andic Dystrudepts and Typic Melanudands, SMU 3 Andic Dystrudepts and Typic Melanudans, SMU 4 Typic Melanudands, SMU 5 Andic Dystrudepts and Typic Melanudands, SMU 6 Humic Pachic Dystrudepts, SMU 7 Ruptic Alfic Dystrudepts, SMU 8 Andic Dystrudepts, Tupic Dystrudepts and Typic Melanudands, SMU 9 Typic Hapludans, SMU 10 Typic Melanudands, SMU 11 Typic Hapludands and Andic Hapludolls, SMU 12 Typic Hapludands and Humic Dystrudepts, SMU 13 Typic Hapludands and Inceptic Hapludalfs, SMU 14 Typic Hapludolls, SMU 14 Typic Hapludolls, SMU 15 Typic Hydrudands, SMU 16 Typic Melanudands and Andic Dystrudepts, SMU 17 Typic Udipsamments. Generally the ALES physical land suitability result for maize: S3-eh/nf/nr/rc, S2-nr/rc/wa, S3-oa and N-oa, cabbage S3-eh, S3-eh/nr, S3-nf, S3-rc and N-oa, potato S2-eh/nr, S2-nf, S3-nr, S3-oa and N-oa while for carrot S3-nf , N-eh. Economical land suitability value of maize, cabbage and potato on N1, N2 and S3 while for carrot is S1 because nothing limited class. General the ALES economical suitability result was profitable because there ware no negative (-) economical matric value.

MASALAH DAN PERANAN CO2 PADA PRODUKSI TANAMAN Sutoyo Sutoyo
BUANA SAINS Vol 11, No 1 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Carbon dioxide is a gas that can be as the greenhouse effect. The greenhouse effect can occur naturally, and can occur due to human activities. The process of the greenhouse effect associated with the recycling flow of solar energy. Increased levels of CO2 in the atmosphere due to human activity, especially transportation and industrial activities so that increasing consumption of fossil fuels, and changes in land use. These activities are difficult to control because of the demands for the fulfillment of a better life. On the other hand mitigation and adaptation efforts to reduce the CO2 impact has not been completely worked well. On evaporation and temperature changes due to the greenhouse effect of CO2 and global warming impacts of drought, rising sea water, and other sector losses, but profitable irrigated agricultural land, such as plant seeds and nuts. The direct effect of increased CO2, positive impact on crop production through increased leaf and canopy photosynthesis, its effect on C4 plants also increase water use efficiency because it reduces the opening of stomata

EFEK ENZIM PAPAIN PADA BERBAGAI PAKAN KANDUNGAN PROTEIN BERBEDA TERHADAP PRODUKSI DAN KECERNAAN PROTEIN AYAM KAMPUNG Eka Fita Sari; Akhadiyah Afrila
BUANA SAINS Vol 14, No 1 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

The research was evaluator to know the effect of papain enzyme on low crude protein content of native chicken feed. The research used 12 treatments were P1E1 (17% crude protein of feed + 0,05% enzyme, w/w), P1E2 (17% crude protein of feed + 0,075% enzyme, w/w), P1E3 (17% crude protein of feed + 0,1% enzyme, w/w), P2E1 (16% crude protein of feed + 0,05% enzyme, w/w), P2E2 (16% crude protein of feed + 0,075% enzyme, w/w), P2E3 (16% crude protein of feed + 0,1% enzyme, w/w), P3E1 (15% crude protein of feed + 0,05% enzyme, w/w), P3E2 (15% crude protein of feed + 0,075% enzyme, w/w), P3E3 (15% crude protein of feed + 0,1% enzyme, w/w), P4E1 (14% crude protein of feed + 0,05% enzyme, w/w), P4E2 (14% crude protein of feed + 0,075% enzyme, w/w), and P4E3 (14% crude protein of feed + 0,1% enzyme, w/w). All treatments were repeated 3 times. Research method using Completely Randomized Design (CRD). The research result showed that using papain enzyme on different crude protein level of native feed dosen’t give significant influence for all variables, except on crude protein digestibility which giving very significant effect. The using of papain enzyme 0,075% concentration (w/w) in 17% and 16% crude protein level giving good weight gain and crcass weight of native chicken that was maintained for 2 months period

PENGGUNAAN POLLARD DENGAN ASAM AMINO SINTESIS DALAM PAKAN AYAM PETELUR TERHADAP UPAYA PENINGKATAN KUALITAS FISIK TELUR Nonok Supartini
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

The objective of the experiment was to elucidate the effect of pollard utilization on the layer diets and the addition of critical amino acid to produce the eggs with lower content of cholesterol. The experiment used in the study with 315 Lohman strain were randomly limited in to 7 treatments in 7 replications with 15 birds each. The treatments were: R0 (control diet without pollard and without critical of AA), R1 (10% pollard + 50% critical of AA), R2 (10% pollard + 100% critical of AA), R3 (20% pollard + 50% critical of AA), R4 (20% pollard + 100% critical of AA), R5 (30%pollard + 50% critical of AA), R6 (30% pollard + 100% critical of AA). The results showed that the utilization of pollard with amino acid addition had given no significant different on production and eggs quality. The exception result was in yolk color had significantly different. It can be concluded that the treatment of 30% with amino acid addition resulted better production and egg quality

SINKRONISASI ESTRUS DENGAN IMPLANT CONTROLLED INTERNAL DRUG RELEASE INTRAVAGINA PADA KAMBING PERANAKAN ETTAWA Kresno Suharto; Eko Marhaeniyanto
BUANA SAINS Vol 10, No 1 (2010)
Publisher : Universitas Tribhuwana Tunggadewi

This research was conducted at Field Laboratory of BPT-HMT Singosari Malang. The objectives of current research were to identifity respond, onset and duration of female Etawah crossbreed goat estrus in estrus phase. Eight female Etawah crossbreed goats with live weight of 32.5  2.5 kg were used in this research which feed with 3 kg King Grass and 1 kg concentrate in a day during the research. In order to estrus synchronization, intravagina Controlled Internal Drug Release (CIDR) was implanted in female Etawah crossbreed, then injecting with PGF2. Method used in current research was experimental with purposive sampling. Parameters used in this research were : 1) respond estrus, 2) onset estrus, 3) duration estrus. The results on estrus synchronization used implanted of intravagina Controlled Internal Drug Release (CIDR) showed that respond, onset and duration of female Etawah crossbreed estrus gave a respond estrus of 100% with normal estrus cycle

PENANGANAN PANEN DAN PASCA PANEN TEMBAKAU DI KABUPATEN BOJONEGORO Samsuri Tirtosastro; Wahyu Musholaeni
BUANA SAINS Vol 15, No 2 (2015)
Publisher : Universitas Tribhuwana Tunggadewi

Harvest and post-harvest activities include harvesting, processing (curing) and marketing of tobacco. Bojonegoro area recorded as a centre production of Virginia tobacco from the United States since 1927 or 88 years ago. The colonial government intends to self-sufficiency in raw materials krosok fc (flue-cured) for white cigarette factory which has been established in 1917 in Semarang. The colonial government serious enough to handle the tobacco Virginia Bojonegoro between preparing the development of the tobacco regulation, establish experimental gardens, form a control system of production, harvesting, processing and marketing. Quality control system is well-organized, according to the provisions IHT (Tobacco Industry) as well as the balance of demand and supply.Tobacco development is closely linked to the development of production systems, harvesting, processing and marketing. Harvest and post-harvest management should also be included in the system. Quality and manner of presentation (grade, SNI, packaging, etc.) quality, price formation and others should be in the system. At present time, consumers, producers, and governments are not in the system but have their have own strategy, so the harvest and post-harvest management becomes inefficient

ARANG HAYATI DAN TURUNANNYA SEBAGAI STIMULAN PERTUMBUHAN JABON DAN SENGON S. Komarayati; G. Pari
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

Biological biochar is potential carbon storage in the soil that can increase soil fertility. The aim of this study was to evaluate utilization of saw dust biochar, compost biochar and wood vinegar on growth of Jabon and Sengon seedlings. The result showed that addition of saw dust biochar, mix biochar, wood vinegar, and compost biochar increased height of seedlings by 5%, 5%, 2%, and 10%, respectively. For seedling stem, addition of saw dust biochar and compost biochar increased the diameter by 5% and 10%, respectively. Concentration ratio of saw biochar of 5%, mix biochar of 5%, wood vinegar of 2% and compost biochar of10% were suitable to increase growth of jabon and sengon seedlings

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