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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 510 Documents

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EFEK PROBIOTIK PADA APLIKASI KADAR PROTEIN KASAR (PK) PAKAN YANG BERBEDA TERHADAP EFISIENSI PAKAN AYAM KAMPUNG Eka Fitasari; Akhadiyah Afrila
BUANA SAINS Vol 15, No 1 (2015)
Publisher : Universitas Tribhuwana Tunggadewi

The using of probiotic become crucial as a natural feed additive to increase the production of native chicken and avoid the using of antibiotic which can leave bad residue in poultry meat. This research used 2 kinds of bacteria were probiotic A (Bacillus spp) and probiotic B (mixing bacteria) on four feed treatments were BR 1 (factory feed production that contain 21-23% protein), feed formulation corn-soybean basic contain 20%, 19% and 18% crude protein. The research used Nested method, there were 8 treatments and replication 3 times. The result showed that treatments combination didn’t give significant effect (p>0.05) on feed consumption, final weight, FCR (feed consumption ratio), and carcass weight, but it gave very significant effect on meat fat (p

PERAKITAN KLON UBIJALAR UNTUK HASIL PROTEIN TINGGI Sri Umi Lestari; Nur Basuki
BUANA SAINS Vol 7, No 1 (2007)
Publisher : Universitas Tribhuwana Tunggadewi

The research that was aimed to create a new variation on sweet potato population was conducted at 2003 and 2004. Crossing between two introduction clones (Beniazuma and BIS-214) as a parent of bearing tuber-protein content genes with five clones of tuber high yield potential, was obtained 1157 genotypes of new hybrid F1. The selection result found 168 new clones having minimum yield as 0.5 kg/plant or  20 ton/ha and 3% tuber protein content on dry weight basis. Among 168 clones there were 21 genotypes with protein yield range from 1.0-2.5 ton protein content/ha

ANALISIS POTENSI UBI KAYU DALAM RANGKA KETAHANAN PANGAN DI KABUPATEN WONOGIRI Tabri Karyanto; Son Suwasono
BUANA SAINS Vol 8, No 1 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

Farming of cassava has been recognized to be one of important farming in Wonogiri. However, development of such farming runs slowly as there are still many farmers implementing traditional farming technologies. The aims of this research were to: (1) study of the potency of production and food availability of cassava in the frame-work of food security; (2) study of farming enterprises system. Research location was purposively determined based on potency of cassava. Research location covered Wuryantoro, Ngadirojo and Sidoharjo districts. Results of the research indicated that food availability was equal to 7.124.43 calorie /capita/day. The land area significantly influenced cassava productivity. The farming enterprises can make profit 49.01%. B/C ratio was 1.51. LQ of cassava was equal to 3,370 (LQ > 1)

PENGARUH PENGGUNAAN BIOCHAR DAN PUPUK KALIUM TERHADAP PENCUCIAN DAN SERAPAN KALIUM PADA TANAMAN JAGUNG Widowati Widowati; Asnah Asnah; Sutoyo Sutoyo
BUANA SAINS Vol 12, No 1 (2012): Edisi Khusus
Publisher : Universitas Tribhuwana Tunggadewi

A glasshouse experiment was conducted to study the effect of biochar and potassium fertilizer on potassium leaching and potassium absorption by maize. A completely randomized block design was used with three replications. There were seven treatments consisting of : Ko : control (no biochar and no KCl), K1: 200 kg KCl, K2 (30 t/ha biochar), K3: (30t/ha biochar + 50 kg/ha KCl), K4: (30t/ha biochar+100 kg KCl), K5:(30 t/ha biochar + 150 kg/ha KCl), K6 : (30 t/ha biochar + 200 kg/ha KCl). The results showed that applications of biochar without potassium fertilizer resulted in leaching, availability and total of potassium soil were high and maximum potassium absorption was 33.95 kg/ha. Potassium absorption from biochar applications did not significantly differ if the treatments were combined with biochar and low application of potassium fertilizer. Application of biochar combinaed with potassium fertilizer did not increased leaching and absorption of potassium by maize

PENGGUNAAN PUPUK N P K PADA TANAH BEKAS PEMBERIAN BAHAN ORGANIK TERHADAP PERTUMBUHAN DAN HASIL KACANG HIJAU F. Hulopi
BUANA SAINS Vol 12, No 1 (2012)
Publisher : Universitas Tribhuwana Tunggadewi

One of the factor causing the low of productivity of mungbean in Indonesia is soil fertility, seed, planting, protection, and irrigation. The existance of organic element absorbed by plants is one of the factor affecting the plant production. This research aimed to find out the effect of N P K fertilizer on the residual effect of organic substance derived from hull of rice and chicken manure to the growth and result of mungbean. The experiment was using Split Plot Design by the main plot was the level of residual of organic substance (B), consisted of B1: hull of rice 10 t/ha and B2: chicken manure 10 t/ha. As the sub-plot was: dosage of N P K fertilizer (N) consisted of (N1): without fertilizer, (N2): 33 kg P2O5 ha-1, 37 kg K2O ha-1, (N3): 23 Kg N ha-1N, 37 Kg K2O ha-1, (N4): 23 Kg N ha-1N, 33 Kg P2O5 ha-1,(N5): 23 Kg N ha-1N, 33 Kg P2O5 ha-1, 35 Kg K2O ha-1. The variables observed were height of plant, sum of leaf, dry weight of plant, small pimple root of plant, wide of leaf, and LAI (Leaf Area Index), sum of pea, weight of pea, weight of 100 peas, dry seed per ha, sum of harvest plant, and weight of pea. The result showed that N P K treatment given to the residual of organic substance of chicken feces or hull of rice did not give a significant effect. Data indicated that N P K fertilizer increase the growth and yield of mungbean. The complete N P K fertilizer dosage (N5) given to residual of organic substance of chicken manure of 10 t/ha could increase the yield of ha-1dry seeds

DAMPAK APLIKASI MULSA DAN GENERASI UMBI BIBIT (G2, G3, LOKAL) PADA TANAMAN KENTANG (Solanum tuberosum LINN) Ester Ruchama Jella; Agus Suryanto; Lilik Setyobudi
BUANA SAINS Vol 17, No 2 (2017)
Publisher : Universitas Tribhuwana Tunggadewi

Sub-optimal environment condition and the use of low-quality seed tubers is a constraint to increase the yield of potato tubers. The purpose of this study was to determine the impact of the various applications of mulch and seed tuber G2, G3, local on growth and yield of potato tubers, as well as to temperature and soil moisture. The research was conducted in June-December, 2013 in the highlands (2232.66 m asl) in Village Ranupani, District Senduro, Lumajang, East Java Province. A randomized block design was used with a combination of treatments: without mulch (tm), black plastic mulch silver (mphp), blue plastic mulch (mpb), Chromolaena odorata mulch (mCo) and the mother bulb G2, G3, local. There are 12 combinations of treatment was repeated 3 times. The combination of these treatments consist of: tm+G2, mphp+G2, mpb+G2, mCo+G2, tm+G3, mphp+G3, mpb+G3, mCo+G3, tm+local, mphp+local, mpb+local, mCo+local. Data were analyzed using the F test with a level of 5%. If a significantly different among treatment followed by LSD test 5%. The results showed the use mphp on local seed tubers are able to provide growth and potato tubers yield optimum is 641.76 g plant-1 ( 21.39 t ha-1) compared to other treatments, but the tuber yield did not differ significantly with the use mpb in seed tubers G2.

PENGARUH INJEKSI PGF2α DENGAN HORMON PMSG PADA JUMLAH KORPUS LUTEUM, EMBRIO DAN JUMLAH ANAK KELINCI Eko Marhaeniyanto; I Gedhe Putu Kasthama
BUANA SAINS Vol 7, No 2 (2007)
Publisher : Universitas Tribhuwana Tunggadewi

This research that was aimed to elucidate the effects of injection PGF2α with hormone PMSG on amount of corpus luteum, embryo and litter size of rabbit, was conducted at Field Laboratory of Animal Husbandry Tribhuwana Tunggadewi University and Biomol Laboratory, Brawijaya University, Malang. A randomized block design was used in the study with 4 treatments which reviewed in 4 blocks. The treatments of PGF2α injection were: T0 = control, no injection of PGF2α, T1 = dose 0,1 ml or 0,5 mg in intramuscular injection of PGF2α; T2 = dose 02 ml or 1,0 mg in intramuscular injection of PGF2α and T3 = dose 0,3 ml or 1,5 mg in intramuscular injection of PGF2α. The results of this research showed that effects injection of PGF2α with hormone PMSG on amount of corpus luteum, embryo and litter size of rabbit were very significant (P

USAHATANI PADI SAWAH DAN PEMASARAN BENIH PADI SAWAH VARIETAS UNGGUL DI KABUPATEN BARITO TIMUR Arasmanjaya, Arasmanjaya; Awang, A.R.; Masduki, Said; Arvianti, Eri Yusnita
BUANA SAINS Vol 6, No 1 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

A study that was aimed to elucidate cost, revenue, profit and feasibility of farming local and high yield rice varieties, production factors affecting production of local and high yield rice varieties, and efficiency of production factors and return to scale of rice farming was conducted at Bambulung Village, Pematang Karau District of Barito Timur Regency. All rice farmers at the village was divided into two groups, i.e. farmers using local variety and farmers using high yielding variety of IR66. Production factors analyzed were land, labour, seed, urea fertilizer, SP36 fertilizer, KCl fertilizer and pesticide. Results showed that farming either local or high yielding rice varietis was profitable and feasible to be carried out. Profit made by farming high yielding rice variety was 36% greater than that of local variety. For high yielding variety, variation of production factors contributed 69,1% to variation of rice production, while variation of production factor for local variety contributed 81,8% to variation of rice production. Dominant production factors affecting production of high yielding rive variety were land and urea fertilizer, while those of local variety were land, labour and seed. All production factors of farming high yielding rice variety were not sufficiently applied and needed to be increased to achieve an efficient production level. Similarly for local variety except that SP36 that was already excessively used and need to be reduced to achieved an efficient production level. Production process of either local or high yielding rice variety farming was at increasing return to scale

IMPLEMENTASI PEMELIHARAAN LAHAN BUDIDAYA UBIKAYU MELALUI PERBAIKAN DAN MONITORING KUALITAS TANAH Nurul Muddarisna; Sugeng Priyono
BUANA SAINS Vol 9, No 1 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

A field experiment that was amied to elucidate the effects of application of Arachis pintoi biomass and farmyard manures on soil quality and cassava yield was conducted at Jatikerto Village, Kromengan District of Malang Regency. Eight treatments tested were 100% NPK inorganic fertilizer, 100 kg N Arachis pintoi/ha (PH), (3) 100 kg N chicken farmyard manure/ ha (PA), 100 kg N cow farmyard manure /ha (PS), 100 kg N goat farmyard manure /ha (PK), 100 kg N Arachis pintoi + chicken farmyard manure /ha (PH+PA), 100 kg N Arachis pintoi + cow farmyard manure /ha (PH+PS), and 100 kg N Arachis pintoi + goat farmyard manure /ha (PH + PK). Monitoring of top soil quality (0-20 cm depth) was carried out before planting and 3 months after planting. Soil samples were collected and analyzed for bulk density, porosity, aggregate stability, soil permeability, pH, organic-C, humic acid, nitrogen, phosphorus, potassium, cation exchange capacity, microbial population and nitrogen microbial biomass. Yield of cassava that was based on the number of tuber per plant, was measured at 6 months after planting. Results of this study showed that application of organic fertilizer in forms of green manure (Arachis pintoi biomass), and farmyard manures significantly improved soil parameters. Application of 50% NPK combined with organic manures did not significantly gave different tuber yield with that of 100% NPK

PENGARUH SUHU PENYIMPANAN DAN WAKTU FERMENTASI TERHADAP KUALITAS CUKA APEL MANALAGI Zuhdi Ma’sum
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

One of the methods to increase the efficiency of farming product is to the product to become durable product, for example, apple is processed to become vinegar through fermentation. The purpose of this research was to find out whether or not apple fermentation process can produce alcohol with khamir sacharomyces cereviceae, and further fermentation can form vinegar with acetobacter aceti bacteria. In addition, the special purpose of this study was to know the influence of the storage temperature and the fermentation process time on the quality of vinegar production. The results of this research hopefully could increase knowledge about apple processing to become acetic acid. Thus as the constant variable was volume of apple essence, the amount of ammonium sulfate, khamir, acetobacter aceti, time of storage, pH speed of stirrer and temperature of fermentation, where as change of variable was process time. From the research results it was known that the best quality of acetic acid was obteianed at the 62nd hour in the amount of 0.91% (room temperature) and 0.54667% (freezer temperature)

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