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INDONESIA
Jurnal Ilmu Pertanian Indonesia
Published by Institut Pertanian Bogor
ISSN : 08534217     EISSN : 24433462     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Artikel yang dimuat meliputi hasil-hasil penelitian, analisis kebijakan, dan opini-opini yang berhubungan dengan pertanian dalam arti luas, seperti agronomi, ilmu tanah, hama dan penyakit tanamam, ilmu kehewanan, kedokteran veteriner, keteknikan pertanian, teknologi industri, teknologi pangan, ilmu gizi, keluarga dan konsumen, biometri, biologi, klimatologi, peternakan perikanan, kelautan, kehutanan, dan sosial-ekonomi pertanian yang telah dipertimbangkan dan disetujui oleh Dewan Editor. Keterangan mengenai peralatan, pengamatan, dan teknik percobaan akan diterima sebagai artikel CATATAN. Pedoman Penulisan dicantumkan pada setiap terbitan tercetak. Indeks Penulisan dan subjek serta daftar penelaan (mitra bestari) dicantumkan di tiap nomor terakhir pada setiap volume.
Arjuna Subject : -
Articles 975 Documents
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Potensi Jarak Pagar (Jatropha curcas) sebagai Larvasida Hayati Pencegah Penyakit Demam Berdarah Dengue Dyah Iswantini; Adi Riyadhi; Upik Kesumawati; Rosihan Rosman; Djumali Mangunwidjaja; Min Rahminiwati
Jurnal Ilmu Pertanian Indonesia Vol. 16 No. 1 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Recently, Indonesia has big problem caused by dengue haemorraghic fever with A. aegypti as vector. Potential medicine and vaccine for curing this disease have not been found. The effective method to prevent this disease is the use of A. aegypti larvicidal. The chemical larvicidal has disadvantage for evironmental aspect. To solve this problem, the biological larvicidal has a good chance to develop. Indonesia has megadiversity which can be developed as biological larvicidal. Crude aqueous extracts and ethanol extracts of Jatropha curcas (Jarak pagar) seed and oil of Jatropha curcas were evaluated for larvicidal potential against the Aedes aegypti mosquito. Among all extracts, Jatropha curcas oil possessed a highest activity against the 3th instar larvae of Aedes. LC50 values of Jatropha curcas oil was 1507 ppm for 24 h and 866 ppm for 48 h. It was suggested that the Croton tiglium oil and Jatropha curcas oil possess larvicidal properties that could be developed and used as biological larvicidal. 
Pengendalian Serangan Ganoderma spp. (60-80%) pada Tanaman Sengon sebagai Pelindung Tanaman Kopi dan Kakao Elis Nina Herliyana; Darmono Taniwiryono; Hayati Minarsih; Muhammad Alam Firmansyah; Benyamin Dendang
Jurnal Ilmu Pertanian Indonesia Vol. 16 No. 1 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Information about genetic variation of Ganoderma spp. As a couse of rot disease on plantation crops is necessary for consideration in efforts to protect crops. Exploration of the use of biological agents, especially Trichoderma spp., for the control of Ganoderma on forestry crops is still limited to laboratory testing. Its effectiveness to control Trichoderma spp. To protect plants in the nursery sengon being carried out, as well as to deternime its role in improving plant growth.
Penentuan Lama Sulfonasi pada Proses Produksi Surfaktan Mes untuk Aplikasi EOR Mira Rival; Tun Tedja Irawadi; Ani Suryani; Dwi Setyaningsih; Erliza Hambali
Jurnal Ilmu Pertanian Indonesia Vol. 16 No. 1 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

For producing oil remains that remained at old oil wells (mature field), a method of advanced oil acquirement improvement known as an Enhanced Oil Recovery (EOR) should be applied. Surfactant plays an important role in EOR process by reducing interfacial tension (1FT), altering wettability, reducing oil viscosity, and stabilizing dispersion to facilitate the process of oil jetting from reservoir to production well. To optimally cleanse oil that still remained a surfactant compatible with formation water and reservoir is needed. This study was conducted to get the best time of sulfonation process for producing MES surfactant with lower interfacialtension for EOR application. Results showed that the best times of sulfonation process with lower interfacial tension value were 3 and 4 hours.
Pendugaan biomassa dan potensi karbon terikat di atas permukaan tanah pada hutan rawa gambut bekas terbakar di Sumatera Selatan Nong Ayu Eka Widyasari; Bambang Hero Saharjo; . Solichin; . Istomo
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 1 (2010): Jurnal Ilmu Pertanian Indonesia
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Abstract

Forest has an important role to absorb C02 which is used during photosynthesis to produce 02 and energy. Carbon was stored dominantly in biomass. When peat forest burnt, a lot of carbon emissions are acumulated in the atmosphere, which stimulate global warming. This study aims to estimate biomass and fix carbon contain in ex-burned merang peat forest and make models between biomass and fix carbon of various tree component (stems, branches, twigs and leaves) and also to calculate fix carbon and biomass stock in burned merang peat forest. The results show that biomass and fix carbon in burned merang peat forest can be estimated using allometric equation models: Wtotal = 0.153108 D2,40 and Ctotal = 0,0302 D2,35•  Fix carbon stock in the trees very related to biomass and it can be calculated using formula Ctotal = 0.188799 W0,980•  Stems store largest proportion of biomass in a single tree. They contribute to approximately 68.09 - 82.28% of total tree biomass. Leaves, twigs and brunch each contribute to 4.17 -  14.44%;  6.16 - 10.32%  and  7.15 -  7.45 respectively.  Fix carbon of trees can be estimated using biomass formula. It shows that each tree shares 16.49 - 17.70°/o of carbon from total biomass in average. Total biomass and fix carbon on the above ground of burned Merang peat forest are 151,650.48 kg/ha and  29,105.19 kg/ha respectively.
Pendugaan Biomasa Karbon di Atas Tanah Pada Tegakan Rhizophora Mucronata di Ciasem, Purwakarta I Wayan Susi Dharmawan
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 1 (2010): Jurnal Ilmu Pertanian Indonesia
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Abstract

Indonesia has a lot of potential natural forests, whether still intact or logged forest. Hish concentration of C02 in atmosphere is one of the factors which cause global climate change in the world. Development and maintenance of forest vegetation such as mangrove forest is one of waysreducing atmhosper Rhizophora biomass stand was conducted. The research was implemented at BPKH Ciasem, KPH Purwakarta, Perum Perhutani unit III Jawa Barat and Banten. From the destructive sampling activity in the field the following allometric models was obtained for above ground biomass Y = 0,1466(DBH)2,3136 (R2=0,936). Stand of Rhizophora mucronata at BKPH Ciasem had potency of above ground biomass and above ground carbon content of 77.2 ton/ha and 38.6 ton/ha, respectively. Related with above ground biomass, the uptake of CO2 and uptake of average C02 of Rhizophora mucronata were 141.5 ton/ha and 0.251 ton/tree.
Perencanaan Pengelolaan Sumberdaya Lahan yang Terkena Dampak Penggunaan Lahan untuk Penembangan Kapur Oteng Haridjaja; Wiwik Dwi Haryanti; Rina Oktaviani
Jurnal Ilmu Pertanian Indonesia Vol. 16 No. 1 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

The need of cement industry mine material to support the requirements on agricultural land resource as livelihood is two different interest that have a potential to emerge conflict of interest on nature resource utilization. Knowing the nature and human resource potentials as well as determining the direction of utilization planning strategy for sustainable land management. Research was carried out from November 2008 - April 2009. This is a descriptive qualitative study to describe the field condition. For determining sustainable land utilizationand management priority was used AHP by pair elements comparison method. General condition explained that land utilization for ecologically agriculture commodities is on appropriate land: un-suitability (NS), marginally suitability (S-3t, and S-3gt) for seasonal plants, as well as un-suitability (NS), marginally suitability (S-3te), and moderatly suitability (S-2te) for annual plants. The agricultural, industrial, and husbandry commodities that have proper economic potential is cassava, long bean, cucumber, mangoes, wood (albasia), tapioca industry, and goats husbandry. Main job as farmers is 85 %, 83°/o don't have an own land so they need an agricultural land. It is very important for their who have livelihood as a paisant, 72°/o moreover for theirs who were in a productive age. Result of AHPto determine the direction of land utilization and management pre, post, and non mining land showed that the stakeholders group who have important role on all land condition is the corporate. Priority ecology aspect on pre and post mining, socially aspect is on non-mining land utilization and management, the main choice for non-mining land utilization and management is food plants. Although value priority of bio-fuel plantation is higher than value priority of food plants, but food plants have more useful in social and economic. Priority pre-mining land utilization and management is food plants, and post-mining is land management based on sustainable environment.
Karakter Morfologi dan Kimia 18 Kultivar Pamelo (Citrus maxima (Burm.) Merr.) Berbiji dan Tanpa Biji Slamet Susanto; Arifah Rahayu; Dewi Sukma; Iswari S. Dewi
Jurnal Ilmu Pertanian Indonesia Vol. 16 No. 1 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Pamelo is one of the oranges species which have variety of form, size, colour and taste. Most of the pamelo cultivars with seeds, while part of it is seedless. The concumen prefer to chose seedles than with seed because they could consume more. The research proposed to know the morphologycal and chemical characteristics of pamelo with seed and seedless. Characteristication done in RGCI and port harvesting laboratory at IPB to the Pamelo come from Sumedang, Pati, Kudus, Magetan, Aceh and Pangkep (South Sulaewsi) in the period of April 2009 until July 2010. The result of research shown that several pamelo seedless cultivars have pyriform, while other with seed have spheroid form. A few fruit from pamelo seedless cultivars have sweet taste until less taste, with pH of its juice vary from 6.2-6.3, except Jawa cultivar which have pH 4 which its total tertiration acid is 0.47- 0.50 g/g, PTT 9.8- 11.0 ( 0brix), PTT/ATT 19,5-25,3. Vitamine C content 38-48.2 mg/100 g and narigin content from 118,3-1063,2 mg/ml, while pamelo with seed have taste sweet acid, with fruit juice pH 3.7 - 4.7, except "red bali 1", which have pH 6.0, ATT 0,35 - 0,59 g/g, PTT 8.7 - 11.3 ( 0brix), PTT/ATT 16.9 - 24.6, vita mine C content 28.6 - 43.8 and narigin content 55.2 - 461.2 mg/ml. 
Pemodelan Spasial Penentuan Instrumen Srategis Penataan Ruang Untuk Pengendalian Risiko Banjir di Wilayah Jabodetabek H.R. Sunsun Saefulhakim
Jurnal Ilmu Pertanian Indonesia Vol. 16 No. 1 (2011): Jurnal Ilmu Pertanian Indonesia
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Abstract

Spatial planning must perform protection on socioeconomic and ecological functions of space, and prevent negative impacts of space utilization on the environment. Constraints on such spatial planning increase continuously. In the Jadebotabek Region 2003 to 2006, flood-risky households increased with annual rate more than four times economic growth. This research aimed to determine strategic spatial planning instruments to control flood risks, by using Spatial Durbin Modeling approach. The model specifies explanatory variables into local and external. Local variables give effects as in a conventional regression model, while external variables give effects in a given pattern represented by a spatial contiguity matrix. Principal Components Analysis was employed to reduce multicollinearities among variables. Test and parameter estimation of the model were employed by using Forward Stepwise General Regression Model with ANOVA-Iike design and Sigma-Restricted Parametrization. Research area was Jadebotabek Region year 2003 excluding Kepulauan Seribu, constituted 12 districts and sevent watersheds. Measurement units were administrative regions at village level (1.488 units). The model fit to the data very significantly (R2=0.84; p<.
Karakterisasi 10 genotipe jarak pagar (Jatropha curcas L.) lokal Memen Surahman; Endang Murniati; . Misnen
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 1 (2010): Jurnal Ilmu Pertanian Indonesia
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Abstract

This study aimed to obtain genotypes of local jatropha has the potential to be developed through the characterization based on quantitative and qualitative characters. The experiment was conducted in August 2009-April 2010 took place at the experimental PT. Indocement, Citereup-Bogor. Materials used jatropha cuttings from 10 genotypes (Banten, Medan, Biak, IP-2P, Bengkulu, Sukabumi, Bali, Sulawesi, Bogor, and Lombok). The observed character is the character of quantitative and qualitative. The results showed 10 genotypes Jatropha tested has the color green of young stems and old stems green color gray. The color of shoots is green, and coloor of old leaf is dark green.The color of leaf bones is purple and green, leaf textureis coarse, and leaves bones clearly visible. Genotype that has hermaphrodite flowers are Banten, Biak, Bengkulu, and Sukabumi. The best genotype was Banten with leaf number 74, branch height 48 em, number of panicles 1 plant 12.2, the number of fruits I plant 110.5, wet seed weight I plant 288.7 g, and dry seed weight I plant 193.8 g. Variables wet seed weight I plant is a selection of characters that can be used to increase the yield of dry seed weight 1 plant. Another character that indirectly affect significantly positive effect on dry seed weight of stem diameter, leaf number, number of fruits per panicle, and number of fruit I plant. Selection on vegetative characters can not be used as selection criteria.
Produksi Biskuit Limbah Tanaman Jagung Sebagai Pakan Komersil Ternak Ruminansia Yuli Retnani; Indah Wijayanti; Nur Rochmah Kumalasari
Jurnal Ilmu Pertanian Indonesia Vol. 16 No. 1 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Biscuit is one of feed wich is forming by heating and pressing that can be reduce size and volume of forage, so its easy to handling and storage. The objective of this study was to produce corn leaf and field grass to be biscuit form as a commercial feed ruminant and was to evaluate biscuit feeding of corn leaf and field grass for feed intake, body weight gain and feed efficiency of sheep. This research divided in two phases, i.e. production of Corn Plant Waste Biscuit and productivity feed biscuit technology in field scale (MT Farm Ciampea) on April-November 2010. Experimental diets for the second phase used Completely Randomized Design with 3 treatments dan  3 replications were T1 = biscuit (100% field grass); T2 = biscuit (50% field grass + 50% corn leaf); T3 = biscuit (100% corn leaf). The second phase of experimental used the best biscuits treatment in the first phase. The average of biscuit machine production capacity was 8.6 kg/h with the production cost of Rp 1072,-/kg. The results showed that biscuit of corn leaf 100% had best nutrient quality with crude protein 17.97%, crude fiber 28.20%, crude fat 1.09% and BETN 40.99%. Mean while, physic quality test showed that water content was 13.10%, water activity was 0.866%, density was 0.529 g/ cm3, and water absorption capacity was 78.58%. Productivity test on sheep fed field grass and corn leaf biscuit showed that nutrient quality analysis showed that best quality was corn leaves biscuit with Corn leaves biscuit fed has significant efficiency on dry matter intake (P<0.05) with was the highest value (263.18 g/head/day). The average of body weight gain of sheep fed with corn leaf biscuit was 61.90 g/head/day  or 44.60% higher than sheep fed with field grass. The highest cost efficiency of sheep fed with corn leaf biscuit was Rp. 139.080,-. Demonstration plots on Subur Jaya Farm, Darmaga for 5 weeks showed that the highest IOFC on the sheeps fed biscuit than field grass.

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