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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 500 Documents

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BEBERAPA FAKTOR SOSIAL EKONOMI YANG MEMPENGARUHI TINGKAT ADOPSI PANCA USAHA PETERNAKAN SAPI PERAH Kusumahadi, Didik
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

The purpose of this research was to elucidate the adoption grade of “Panca Usaha” of milking cow farmers and economic social factors influencing the adoption grade of “ Panca Usaha Peternakan sapi perah”. This research was a case study executed by survey technique in Pacet District of Mojokerto Regency. Samples of the research were 80 milking cow farmers that were selected using a stratified random sampling method. The data was analyzed using Rank Spearman’s correlation method and linear multiple regression model. The results showed that the adoption grade of cattle farmers was very much influenced by variables of education and knowledge. Cattle farmer’s grade adoption of “Panca Usaha” was distributed with high adoption grade of 10%, medium adoption grade of 68,75%, and low adoption grade of 21,25%. Intensity and quality dimensions of stratum I adoption grade were 2,5% high adoption, 10% medium adoption and 2,5% low adoption, while those of stratum II were 15% high, 45% medium and 0% low adoption

EVALUASI KELONGSORAN TANAH PADA BANTARAN SUNGAI KONTO DI KECAMATAN PUJON DAN PENANGANANNYA Suhudi Suhudi; Maradona Supriyanto
BUANA SAINS Vol 16, No 1 (2016)
Publisher : Universitas Tribhuwana Tunggadewi

Retaining wall serves to hold the soil and prevent it from sliding danger. Either as a result of rain load, heavy soil itself, also a result of the load that works on it. Nowadays, construction of retaining wall is very often used in civil works construction of a retaining wall even if it turns out the land is long enough known in the world. Landslide that occurred along the River Konto at Abdul Manan Wijaya Street Pujon caused by the dimensions of the retaining wall is too small so unstable to the safety factor (SF), the value of the safety factor in the review is a safety factor to bearing capacity , shear forces and stability against roll style. The purpose of this research is to analyze the cause of the collapse of the retaining wall and re plan retaining wall that had collapsed. The unstable retaining wall caused by shear force that is 1.28 < 1.5 (unsafe). The replan of the retaining wall by gravity type retaining wall with the rear side of upright because of this type is suitable for a high retaining wall. Dimensional stability toward sliding wall: 1.67 > 1.5 (safe) and stable toward the bolsters: 3.9 > 1.5 (safe).

PERANAN BIOCHAR SEBAGAI PEMBENAH TANAH PADA PERTANAMAN JAGUNG DI TANAH LEMPUNG BERPASIR (SANDY LOAM) SEMIARID TROPIS LOMBOK UTARA Sukartono Sukartono; W.H. Utomo
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

The aims of this study to were evaluate potential of biochar for improving several soil physical characteristics and yield of maize in a sandy loam soil of North Lombok during three cyles of sowing times (December 2010-October 2011). Five treatments, i.e. application of coconut sheld biochar (BTK), application of cow dung biochar (BKS), application of famyard manure only for one season (PKA), applications of farmyard manure each season (PKB) and control (K). Biochar application increased C-organic, and concentration of nutrient (N, P, K, Ca and Mg), absorption of N, P, K and seed yield. During three seasons, application of biochar led to higher C-organic content and more stabile compared with farmyard manure application. It indicated that biochar was potential for sequenstration of CO2, increased micro pores and soil water retention. Water holding capacity of biochar treatment was higher than PKA (application farmyard manure only for one season) and control. Maize plants showed positive response to biochar applications. Seed yield of maize for three cyles of seasons were 5,54 t/ha, 5,51 t/ha for BTK and BKS, repectively. Application of manure each season, application of farmyard manure at one season and control treatments yielded 5,62, 5,36 and 4,83 t/ha of maize seed, respectively

HERETABILITAS DAN NILAI PEMULIAAN DOMBA EKOR GEMUK DI KABUPATEN SITUBONDO H. Darmawan; N. Supartini
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

Situbondo district is one of the development zone of fat tail sheep. However, there are still have problems in base information of fat tail sheep genetic potential. Aim of this research are to identify genetic potential of fat tail sheep and determine factors of fat tail sheep genetic potential development at Situbondo district. This research used simple random sampling method. Materials research were 99 of third to fourth months old of fat tail sheep which have weaned based on respondents report and assumed from their experiences. Data analized using unpair t-test and estimation of heritability, breeding value and correlation coefficient. The result showed that genetic potential of fat tail sheep known from breeding value estimation with the value of weaning weight heritability as genetically parameter. The heritability of weaning weight corrected on 100 days of age is 0,1462, and the highest breeding value was sire number 19, which is 15,98 kg and it mean that this value is higher 0,64 kg than the population rate. So, we need completely and continously recorded datas of base information of fat tail sheep ganetic potential in order to evaluate the next development prgramme of fat tail sheep

FAKTOR-FAKTOR YANG MENGHAMBAT PENDIDIKAN KARAKTER ANAK BURUH TANI DIKABUPATEN PONOROGO Eri Yusnita Arvianti; Asnah Asnah; Anung Nugroho Prasetyo
BUANA SAINS Vol 17, No 2 (2017)
Publisher : Universitas Tribhuwana Tunggadewi

Character education is an education that teaches about the values of human behavior associated with the Almighty God, human beings, the environment, and nationality were manifest in mind attitudes, feelings, words, and actions based on religious norms, legal norms, manners, culture, and customs. This study aims to determine the obstacles of character education and the influences of character education to children in the family farm laborers to consistency in the agricultural sector. This research was conducted in the Sukosari Village and Mojorejo Village in Ponorogo Districit from April until November 2016. The approach used in this research is quantitative and qualitative approaches. The results showed that the obstacle of parents in teaching children of farming is capital in an attempt to develop farming. Furthermore, the results of multiple regression analysis is the regression equation Y = 1.733 + 0.785X1 - 0.208X2 + 0.622X3 + ε. Hypothesis testing simultaneously explains that awareness of children, the child's feelings and actions in character education of children by parents significantly affect the consistency of child farm workers to pursue agriculture. Partial test showed awareness of children and children's actions significantly influence interest in farming in Ponorogo, while feeling effect is not significant..

KAJIAN ZAT PENGATUR TUMBUH DALAM PERKEMBANGAN KULTUR JARINGAN KRISAN Astutik Astutik
BUANA SAINS Vol 7, No 2 (2007)
Publisher : Universitas Tribhuwana Tunggadewi

Alar accelerates the growth of aksiler shoots, shortens stem joint and strengthens the stem. Alar addition into the medium is assumed to be able to increase the success of Chrysanthemum tissue culture in quantity and quality. The objectives of this research were: (1) learning and finding the influence of Auksin, Sitokinin, and Alar on number of Chrysanthemum shoots produced. (2) producing a shorter plantlet having a big stem diameter until it is appropriate to be arranged as pot flower. The research used a factorial complete random design consisting of 3 factors. Factor I: Kinds of Auksin (4) are IAA, NAA, IBA, 2,4-D each with the same concentration of 0,1 mg/I. Factor II: Kinds of Sitokinin (2): 1 mg/I Benzylzdenine (BA) and 1 mg/I Kinetin. Factor III: Alar of 0 mg/I and 1 mg/I. Parameters observed when the shoot grows were leaf number, shoot number, plantlet height, stem diameter; when the root grows, root number, root length, and acclimatization success percentage. The results showed that (1) addition of Alar into Chrysanthemum micro-propagation medium had no influence on the shoot number. BA 1 mg/I produced a better shoot number (3,54 shoots/explant) by the 5th week of culture. (2) 1 mg/I Alar application combined with 1 mg/I BA and 0,1 mg/I IAA produced shorter plantlet, followed by the combination of 1 mg/I Kinetin and 0,1 mg/I IBA. (3) the use of 1 mg/I Alar combined with 1 mg/I BA and all kinds of Auksin produced bigger stem diameter plantlet. (4) (1 mg/I) Alar was good to produce Chrysanthemum flower for big stem and shorter plant

MANFAAT BIOMASA TUMBUHAN LOKAL UNTUK MENINGKATKAN KETERSEDIAAN NITROGEN TANAH DI LAHAN KERING MALANG SELATAN Dewi, E. K.; Handayanto, E.
BUANA SAINS Vol 6, No 1 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

A research that was aimed to study the possible use of Mucuna pruriens, Psophocarpus tetragonolubus, Phaseolus lunatus, Dolichos lablab biomass as sources of local organic matters to improve soil fertility, and growth of maize on a Typic Tropaquent of South Malang. Six treatments, i.e. Mucuna pruriens, Psophocarpus tetragonolubus, Phaseolus lunatus, Dolichos lablab, Urea, and Control (no added legume biomass and fertilizers), were arranged in a Randomized Block Design with three replicates. Results of the study showed that the highest increase of soil N was due to addition of Phaeseolus, followed by Dolichos, Mucuna, and Psophocarpus. Application of Dolichos, Phaseolus, Psophocarpus and Mucuna could substitute 66%, 36%, 30% and 28% of N supplied by urea, respectively. The percentage of N urea recovered by maize was only 23,60%, while Dolichos and Phaseolus treatments resulted in 29,60% and 24,80% N recovery

VARIABEL YANG MEMPENGARUHI PEMILIHAN SALURAN DISTRIBUSI BAGI PETANI PRODUSEN SALAK (Studi pada petani salak di Desa Kresikan Kecamatan Gondangwetan Kabupaten Pasuruan) Eri Yusnita Arvianti; Suntara Suntara
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

The aims of this research were to describe the market balance, goods balance, producer balance, and distributor balance influencing channel selection of zalacca producers in Pasuruan, and to analyze the dominant variable considered by the zallacca producer farmer in Pasuruan. The respondents were taken from the population of zalacca farmers by simple random sampling method resulting 50 respondents. The research results showed that market balance, goods balance, producer balance, and distributor balance variable simultaneously affected the selection of distribution channel. The distributor balance variable was the most dominant variable influencing the distribution channel selection

PENGARUH PENGGUNAAN POLLARD DAN ASAM AMINO SINTETIS DALAM PAKAN AYAM PETELUR TERHADAP KONSUMSI PAKAN, KONVERSI PAKAN, DAN PRODUKSI TELUR Nonok Supartini
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

This objective of the experiment was to measure the effect of pollard utilization on the layer diets and the addition of critical amino acid to produce the consumption, eggs production and feed conversion with layers. The experiment used 315 Lohmann strains that comprising 7 treatments in 7 replications with 15 birds each. The treatments were: RO (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 + 50% 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 gave no significant different on consumption, egg production (%HAD) and feed conversion with layers

ANALISA KELAYAKAN USAHA DAN PEMASARAN SARI BUAH JERUK MANIS DI UD MARGO MULYO DAU MALANG Gatut Suliana; Endang Rusdiana
BUANA SAINS Vol 10, No 1 (2010)
Publisher : Universitas Tribhuwana Tunggadewi

The aimed of this research was to calculate and analyze the feasibility and level of sweet orange juice marketing at UD Margo Mulyo. This research is descriptively through interviews and observation. The result showed that BEP units per year was 40.686,84 and Rp. 32.549,31. Its means also that this industry was appropriate to continue and has benefit of net sales above 33.000 units and for Rp. 23.760.000. Time required to return all of the cost was 2 years and 9 months, which means the return of all costs incurred earlier than 10 years. Bank loans amounting to 80% of the total capital Rp.95.865.500, and interest is 14%, and during the five-year period was Rp. 10.736.936. Installment loan per year is Rp.15.338.480 with interest on the loan per year was Rp. 2.147.387,2. In calculating the IRR was getting the 43%, which means the industry is appropriate to proceed because the IRR is greater than the interest rates offered by banks. Prices of goods manufactured was Rp. 509,920. Distribution system does not deal directly with retailers, but through marketing agencies. Marketing section includes not only market distribution, but also supervise and attract products that expired. Marketing flow of sweet orange juice producer to the consumer through marketing channels of three types namely (1) Line I, which Manufacturer to Dealer to Dealer Collector to Merchant Retailers; (2) Channel II is the Manufacturer to Dealer to Dealer Retailer; and ( 3) Line Producer III of the Merchant to Merchant Retailers Collectors

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