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BUANA SAINS

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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 22 Documents

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Search results for , issue "Vol 14, No 2 (2014)" : 22 Documents clear

SISTEM PERTANIAN TERPADU BIOCYCLOFARMING SEBAGAI ALTERNATIF TEKNOLOGI BUDIDAYA PERTANIAN RENDAH EMISI GAS RUMAH KACA UNTUK MITIGASI DAMPAK PERUBAHAN IKLIM GLOBAL Munandar Munandar; Fritra Gustiar; Yakup Yakup; Renih Hayati
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

Sektor pertanian menawarkan potensi sebagai mitigator dampak perubahan iklim. Sistem pertanian terpadu biocyclofarming (BCF) merupakan sistem yang memadukan tanaman-ternak diatur bersinergi sehingga terjadi siklus biologis. Karakteristik sistem BCF terkait dengan mitigasi dampak perubahan iklim adalah: adanya pengembalian limbah organik ke lahan, daur ulang yang memanfaatkan limbah, sistem pertanian tanpa limbah dengan menginstalasi bio-digester yang menghasilkan biogas. Makalah ini membahas sistem pertanian BCF berbasis tanaman jagungternak, dan mengevaluasi dampak aplikasinya terhadap penambatan C dalam tanah dan tanaman serta terhadap penurunan emisi gas CH4. Hasil kajian menunjukkan pengembalian bahan organik ke lahan meningkatkan penambatan CO2 dalam tanah dalam bentuk bahan organic tanah. Peningkatan C organik tanah berdampak positif terhadap kesuburan tanah, produksi biji dan biomas tanaman. Kandungan carbon tanah meningkat dari 2,04% atau setara dengan CO2 tertambat 40,80 ton/ha, menjadi 3,32% atau setara dengan 66,40 ton/ha pada tahun ke-6 aplikasi BCF, terjadi peningkatan carbon dalam tanah sebesar 3,65 ton/ha/th atau setara dengan penambatan 12,28 ton/ha/th gas CO2. Produksi biji jagung meningkat dari 2,1 t/ha menjadi 5,9 t/ha pada tahun ke 5 aplikasi BCF. Total biomasa tanaman meningkat dari 6 t/ha menjadi 16,8 (ton/ha). Sistem daur ulang teknologi BCF yang memanfaatkan limbah dari system usahatani yang satu menjadi input produksi usahatani menghasilkan produk yang menyimpan carbon merupakan teknologi mitigasi penambatan carbon dengan memperlambat konversi carbon menjadi gas CO2 atmosfer. Instalasi biodigester dalam teknologi BCF yang memanfaatkan limbah kotoran ternak guna menghasilkan biogas serta modifikasi ransum pakan pada ternak sapi merupakan teknologi mitigasi yang mampu menurunkan emisi gas CH4 dari kegiatan budidaya ternak sapi

AKTIVITAS ANTIBAKTERI ASAP CAIR DARI LIMBAH TEMPURUNG KELAPA TERHADAP DAGING KELINCI ASAP Pramono Sasongko; Wahyu Mushollaeni; Herman Herman
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

Rabbit meat is the alternative of protein source with high nutrition value, but susceptible to contamination by spoilage bacteria. The application of liquid smoke coconut shell based could be the of developed method to overcome the problems of bacterial contamination. This study was conducted to determine the effect of immersion liquid smoke coconut shell to the total number of bacteria in smoked rabbit meat. Treatment of various concentrations of liquid smoke were used in the production of smoked rabbit meat were 0% 1%, 1.5%, 2% and 2.5% (v / v). Based on the analysis results, it can be concluded that the use of 2% liquid smoke concentration can provide an effective antibacterial effect. The total number of bacteria based on the method of Total Plate Count shows this concentration can decrease the amount of bacteria up to 99.9% with the results of 0 CFU / g

STRATEGI PENGEMBANGAN SUPPLY CHAIN MANAGEMENT PETERNAKAN SAPI POTONG DI KABUPATEN WONOGIRI Shanti Emawati; Adi Magna Patriadi N.; Ayu Intan Sari; Endang Tri Rahayu; Suwarto Suwarto
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

Tujuan dari penelitian ini adalah untuk mengetahui strategi pengembangan Supply Chain Management (SCM) peternakan sapi potong di Kabupaten Wonogiri. Penelitian dilaksanakan pada bulan September-Desember 2013. Metode penelitian yang digunakan adalah survei untuk mengumpulkan data primer dari responden dan data sekunder dari dinas terkait. Responden diambil secara purposive sampling. Analisis data yang digunakan adalah analisis SWOT untuk mengetahui strategi pengembangan SCM. Hasil penelitian menunjukkan bahwa nilai yang dibobotkan dalam IFE sebesar 3,04 dan nilai yang dibobotkan dalam EFE sebesar 3,31. Hal ini berarti posisi usaha ternak sapi potong di Kabupaten Wonogiri berada pada daerah I yang merupakan tahap Tumbuh dan Bina (Growth and Build). Strategi yang sesuai untuk daerah ini adalah strategi intensif, meliputi penetrasi pasar, pengembangan pasar dan pengembangan produk sapi potong di Kabupaten Wonogiri, selain itu bisa menggunakan strategi integrative yakni integrasi ke belakang, integrasi ke depan dan integrasi horizontal

MODIFIKASI APLIKASI BIOMASSA (BIOCHAR, PUPUK KANDANG DAN JERAMI JAGUNG) PADA PERTANAMAN UBI KAYU DI TANAH LEMPUNG BERPASIR (SANDY LOAM) LAHAN KERING LOMBOK UTARA Sukartono Sukartono; Suwardji Suwardji; Mulyati Mulyati; Baharuddin Baharuddin; Tejo Wulan
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v14i2.338

Improved management of dryland agriculture could be one strategy to increase cassava production in order to meet national demand particularly for food and bioetanol industry. A field experiment was carried out to evaluate the influence of biomass modification addition (biochar, cattle manure, and corn-straw) on the growth and yield of cassava grown on sandy soils of northern Lombok. The treatments tested were: without addition of organic biomas as control (M0); the straw was put in the lowest part of rhyzoshere, biochar in the middle and subsequently followed by manure mixed with soil on top (M1); biochar, cattle manure, straw were mixed thoroughly within rhyzosphre (M2); biochar and cattle manure were only mixed with soil (M3); the manure was put down in the bottom part of rhyzoshere, straw in the middle and subsequently followed by biochar mixed with soil on top (M4). Results of the research showed that modification of biomass addition (biochar, manure and corn-straw) within soil increased significantly the growth and yiled as a results of better nutrient retention compared to soil without organic addition. The yield was increased by 32 and 33% at M1 and M4 respectivelly and reached closed to 40% at treatments of both M2 and M3 (27 ton ha-1)

RESPONS ENAM VARIETAS JAMUR TIRAM PUTIH TERHADAP PERTUMBUHAN, HASIL, DAN KUALITAS DIBUDIDAYAKAN MUSIM KEMARAU DAN HUJAN Etty Sumiati; Deden Fathullah; Rahmat Sutarya
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

Oyster mushroom was a prospective vegetable commodity, potential, and has high economical value. In fact, at the level farmers the average yield is still low in general. The goal of these research activities were to find out oyster mushroom varieties that could be adapted in Bogor-West Java, produced high yield and qualities when cultivated both in the dry and rainy seasons (all the year round). A Randomized Block Design with 4 replications were set up in mushroom houses during the dry and the rainy seasons. Treatments comprised of 6 varieties of oyster mushrooms, viz: varieties No. 1; 30; 37; 38; 46 (origin from IVEGRI`s collection; and no. 85 (origin from Bogor as control variety). Variable to be measured were: vegetative growth of mycelium inoculated on several kinds of growth media, oyster mushrooms yield and yield components, and their qualities as well (viz: storage resistance at ambient/room temperatures, mushrooms taste, and water content). Research results showed that oyster mushroom varieties No. 1, 30, 37, 38, 46, and 85 which were cultivated in dry and rainy season , gave the same high yield, viz: 91,08; 74,36; 78,70; 54,78; 78,91; and 81,40 tons per 1000 m2 of mushroom house area, respectively. Total productions of 6 varieties mentioned above, was higher than that of from cultivation in the rainy season (91,32 vs. 61,76 tons per 1000 m2 of mushroom house area, respectively. The qualities of those six oyster mushroom varieties were the same from cultivation activities all the year round (viz: delicious taste/ ranking: 2 days at room temperature, and water content> 90 %)

PEMANFAATAN KIRINYU (Chromolaena odorata) SEBAGAI SUMBER BAHAN ORGANIK TERHADAP PERTUMBUHAN DAN HASIL TANAMAN WORTEL (Daucus carota ) Murdaningsih Murdaningsih; Yosefa Sapo Mbu’u
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

The aim of this study was to determine the benefits of ‘kirinyu’ as a resource of organic matter and optimum quantities required in the growth and production of carrots. The study used a randomized block design with five treatments such as K0 (without kirinyu), K1 (kirinyu 5 ton/ha), K2 (kirinyu10 ton/ha), K3 K3 (Kirinyu 15 ton/ha),and K4 (Kirinyu 20 ton/ha). The variables measured were; plant height, total number of leaves, length of tubers, diameter of tubers and weight of fresh tubers per plant per plot and per ha. The results of this study indicate that the use of ‘kirinyu’ as a source of organic matter has a definite influence in the plant height in the ages of 4 MST, 8 MST, 10 MST, 12 MST, and total leaves in the ages of 6 MST, 8 MST. Also it influences the length of tubers, weight of tubers per plant per plot and per ha. It was determined that optimum growth of carrots; that is plant height (32.51 cm) total leaves (5.78 cm) length of tubers (10.71 cm) was attained with the use of 20 ton/ha weight of fresh tubers per plant (48.19 grams), per plot (7,93 kg) and total production of 21,09 ton per ha

PENGARUH ABU BATUBARA TERHADAP PERBAIKAN SIFAT KIMIA TANAH DI KALIMANTAN SELATAN Bambang Joko Priatmadi; Akhmad Rizalli Saidy; Meldia Septiana
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

The use of fly ash as a material for amelioration has been applied in some countries. Fly ash is amorphous compound of silicate-aluminum-iron that contains essential nutrients for plants. Fly ash has a pH of about 8.5 and has chemical properties that can be used as a source of neutralizing acidity in the soil. This study aims to determine the effect of fly ash as a soil ameliorant of soil on dry land and paddy soil in Kalimantan Selatan . Soil samples on dry land were taken from Sungai Riam, Tanah Laut Regency. Soil samples on paddy soils were taken from Sungai Rangas, Banjar Regency. Six kilograms of each soil samples placed on 8-L pots. Fly ash is added to each pot with a dose of 0, 25, 50 and 75 tons ha-1. All treatments were made in four replicates using completely randomized design. Data were collected for soil pH, total-N, total-K, total-P, and cation exchange capacity. The results showed that only the soil pH and soil CEC significantly affected by the addition of fly ash. Application of fly ash by the number 50 - 75 tons per hectare compare 25 tons per ha does not provide a significantly difference to pH and CEC

PEMANFAATAN JERAMI PADI BERLABEL 15N UNTUK MELACAK DISTRIBUSI NITROGEN DENGAN INDIKATOR TANAMAN JAGUNG Anis Sholihah; Agus Sugianto
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

Penelitian dilakukan dengan tujuan mengetahui distribusi nitrogen dari residu tanaman (jerami padi=JP) yang diberikan ke dalam tanah. Jerami padi berlabel 15N berasal dari tanaman padi yang dipupuk dengan empat konsentrasi 15N ( urea) yang berbeda yaitu 0 mM (N0), 0,625 mM (N1), 2,5 mM (N2), dan 10 mM (N3) yang ditanam pada pot plastik berdiameter 30 cm berisi 5 kg pasir kuarsa dan ditempatkan pada green house. Setelah 8 minggu padi dipanen dan biomasnya dioven pada suhu 60oC selama 48 jam kemudian dianalisis kualitas residunya. Empat macam JP dengan konsentrasi 15N berbeda (N0; N1; N2; N3) ditambah satu perlakuan kontrol (K; tanpa residu JP) selanjutmya dipergunakan untuk dua macam percobaaan yaitu; 1. Percobaan inkubasi tidak tercuci untuk mengetahui dinamika mineralisasi N dalam tanah dan 2. Percobaan pot pada tanaman jagung dilakukan di green house pada pot ukuran 10 Kg tanah untuk mengetahui besarnya serapan N tanaman jagung dan distribusi N. Hasil penelitian menunjukkan perlakuan konsentrasi 15N berbeda menghasilkan kualitas JP yang berbeda. JP mengandung N sebesar 1.05 - 2.04%,15N-excess 0.92 - 2.78%, lignin 4.24 – 23.54% dan polifenol 4.74 – 6.78%. Besarnya mineral nitrogen yang terlepas selama inkubasi 14 minggu 57.46% pada konsentrasi 10 mM (N3). Serapan N tanaman jagung 28,15% dari nilai tersebut 35.42% berasal dari JP yang diberikan dan 64.58% berasal dari N tanah

RESPONS DUA JENIS JAMUR KAYU YANG DIBUAT MELALUI PEMBIBITAN TANAM EKSPLAN LANGSUNG (TEL) TERHADAP SUBSTRAT YANG BERASAL DARI SAMPAH RUMAH TANGGA BERVARIASI RASIO C/N Agus Sugianto; Anis Sholihah; Priyagung Hartono
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

Penelitian telah dilaksanakan untuk mengetahui respons dua jenis jamur kayu yaitu jamur tiram putih (Pleurotus ostreatus) dan jamur kuping (Auricularia polytrica) yang telah dibuat dengan metode tanam eksplan langsung (TEL) terhadap berbagai rasio C/N substrat yang berasal dari sampah rumah tangga. Percobaan dilaksanakan mulai Januari sampai dengan Maret 2014, di rumah jamur Fakultas Pertanian, Universitas Islam Malang, Kelurahan Dinoyo, Kecamatan Klojen, Kota Malang, Jawa Timur. Rancangan percobaan yang digunakan adalah RAL faktorial dengan dua faktor. Faktor pertama jenis jamur terdiri dua taraf (jamur tiram putih dan jamur kuping). Faktor kedua rasio C/N substrat terdiri empat taraf (10, 20, 30, dan 40). Hasil percobaan dapat disimpulkan bahwa jamur tiram putih mampu tumbuh dan berproduksi lebih baik dibandingkan jamur kuping yang ditunjukkan melalui kemampuan miselium memenuhi bag-log dicapai 26,2 hari, bobot segar total badan buah dengan persamaan regresi Y = -0,4988 X2 + 36,487 X 105,37 dengan R2 = 0,9793 dan rasio C/Nopt = 36: efisiensi biologi Y = -0,85 X2 + 5,665 X 23,875 dengan R2 = 0,9518 dan rasio C/Nopt = 33

PENGGUNAAN MIXED CULTURE JAMUR DAN PENAMBAHAN SUMBER N PADA BIODEGRADASI TANDAN KOSONG KELAPA SAWIT DALAM PENGKOMPOSAN Latarus Fangohoi; Agustina Agustina; Lisa Navitasari
BUANA SAINS Vol 14, No 2 (2014)
Publisher : Universitas Tribhuwana Tunggadewi

Oil palm empty fruit bunches (EFB) is the largest solid waste palm oil production. The waste pollutes the environment and waste management (EFB) has been carried out with burnt, aggravating environmental pollution. This resulted in the need for environmentally-friendly waste management. One of them uses microbes that can degrade components of the waste so that the waste can be used as compost EFB and natural mulch for agriculture. Use of microbes to degrade the waste components EFB potentially produces enzymes that accelerate the degradation lignoselulolitik EFB waste components. This research aims to study the biodegradation by a mixture of isolates of Aspergillus sp., Trichoderma sp. and Actinomycetes with the addition of some nitrogen as a nutrient source for growth microbes. The results showed that the addition of a mixture of isolates with the addition amoniumsulfat and chicken manure as a source of N can lower C / N ratio of 10 and 51.9 % of fragility, as well as lower levels of cellulose, hemicellulose and lignin respectively 66 %, 36.4 % and 40.7 % of the initial levels. These results indicate that the addition of N sources of natural and synthetic amoniumsulfat chicken manure as well as accelerate the degradation of fungal isolates TKKS into compost

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