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INDONESIA
Jurnal Rekayasa Lingkungan
Published by Badan Pengkajian dan Penerapan Teknologi
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 11 Documents
 1   2 
Search results for , issue "Vol. 6 No. 2: Jurnal Rekayasa Lingkungan" : 11 Documents clear
PERAN TEKNOLOGI DALAM PENGENDALIAN PENCEMARAN LINGKUNGAN HIDUP Arie Herlambang
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1923

Abstract

Basically, nature has the ability to perform the restoration of environmental damage caused by increased human activity, but because of the limited carrying capacity, then the environment has decreased the quality from year to year. In saving the environment, technology plays a role in reducing the risk of pollution, increased efi siensi process, and creating processes and environmentall friendly products, monitoring and prediction of environment quality, environmental pollution control, restoration and environmental improvement. Waste Technology (end of pipe technology) are widely used to cope with environmental pollution, both for liquid waste, solid and air. Waste processing technology developed for the waste can be in accordance with quality standards thathave been established, while monitoring technology has been developed either manually or automatically. For recovery and improvement of technology has been developed remedies and restoration that rely on bacteria in nature.Keywords: end of pipe technology, reuse, recycle, reduce (3R), carrying capacity, and environment pollution
BAHAN ORGANIK TERLARUT DALAM AIR LAUT Arif Dwi Santoso
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1924

Abstract

Seawater contains high amounts of organic material and ions causing high salinity.The distribution of nutrients in the ocean is determined by ocean circulation, biological processes of uptake and mineralization, and subsequent regeneration of nutrients by migration of animals and by supply from the land.Topic related to sea water is important to discuss and to be a challenging with many researchers in Indonesia. In this paper, organic mater from sea water was learned in detail. The information contained of formulation history, justifi cation, distribution, advantages, and method of measure, type and effect to environment.Keywords: organic material, sea water, dissolved
PENINGKATAN PRODUKTIVITAS LAHAN PODZOLIK MERAH KUNING MELALUI PEMUPUKAN PUPUK HIJAU Flemengia congesta DAN KAPUR DOLOMIT Sudaryanto Djamhari
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1925

Abstract

The obyektive of the researcah is to know the effect of to the land fertility, regarded to soybeen production. The reserch use Complete Randemize Disign With One Way Analysis of Variance, Regression, and Correlation in order to know the effect of treatment to the land fertility. The research was carried out in Wonoharjo Village, Unit VIII Kuro Tidur Transmigration area, Bengkulu, during three planting season from 1999 to 2000. The result of the research showed that Flemengia congesta as a fence crop or hedgerows was segnifi cant to land fertility through improvement of nutriens availability, increasing pH, decreasing availability of aluminium (Al). The effect of organic matter from prunning ofthe hedgerows into the soil a high of 5,0 ton/ha will increase average soybenn production from 13,974 kw (dry grain) to 18,176 kw/ha or increase 30,07 %, whereas the effect of organic matter 5,0 ton/ha combained with dolomit 2,5 ton/ha will increase 43,00 %. The effect of organic matter 10,0 ton/ha combined with dolomit 2,5 ton/ha will increase average soybeen production from 13,974 kw/ha or increase 57,19%.Keywords: red yellow podzolic land, organic matter, dolomit, land produktivitas
TEMPAT PENGOLAHAN SAMPAH TERPADU (TPST) URGENSI DAN IMPLEMENTASINYA Firman L. Sahwan
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1926

Abstract

TPA is the main priority in handling municipal solid waste in Indonesia, with many problems and challenges. TPST is one of other alternatives in handling solid waste in accordance with Solid Waste Management Law No. 18 year 2008, therefore it has an important role in reducing heavy burden of TPA. Activities that can be done in TPST are collecting, sorting, re-using, re-cycling, treatment of fi nal processing, either for organic solid waste or for inorganic solid waste. However, based on characteristic of municipal waste, it’s better the stressing activities are pointed to organic solid waste treatment that make composting as the main alternative activity. Government support and help are much needed in order that TPST activity can be optimally done.Keywords : municipal solid waste, integrated treatment facility, composting
PEMBENIHAN DAN AKLIMATISASI PADA SISTEM ANAEROBIK Indriyati indriyati
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1927

Abstract

Seeding in Fixed Bed anaerobic reactor are infl uenced by several condition such as the growth rate total population of microbial, bacterial adaption to infl uent and the retention of biomass in reactor. The aim of this observation is to fi nd out the seeding and acclimation process in anaerobic process by using plastic as support material. Seeding and acclimatization process run smoothly can be seen from the increasing of infl uent or substrate and following by the increasing degradation of soluble COD, beside that the decreasing of VSS concentration indicates that microorganism are all ready fi x in support material, therefore reactor can be operated continuously and the acclimatization process can be stopped.Keywords : anaerobic seeding, acclimation anaerobic process
ANALISIS POTENSI SUMBERDAYA LAHAN UNTUK PERENCANAAN PENGEMBANGAN KOMODITAS UNGGULAN PERKEBUNAN DI KABUPATEN BANYUWANGI Mubekti mubekti
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1928

Abstract

Land is limited and non-renewable resource, on the other hand, people who need the land for development grow quickly. This paper discuss about the evaluation of land resource for plantation estate development planning in Banyuwangi District. General information regarding to physical environment are presented in order to know an overview of the study area. The Methodology of land suitability classifi cation corresponding to the selected plantation crops are briefl y explained, then, the results of the study are discussed. The study area consist of 9 physiographic spread from the fl at slope near the cost and verysteep slope near the mountain. Based on the land physical evaluation shows that the parent materials of the land are dominated by volcanic and lime stone. The results of the suitability classifi cation indicate that coconut crop could grow well in most of the plain up to undulating area. The land which suitable for coffee, clove and Vanilla cultivation are very small compared to the total of the study area and they are mostly located in the middle of the study area. Limiting factors of land suitability are mainly very diffi cult to upgrade, such us steep slope, soil effective depth, soil porosity, and drainage. In general, Banyuwangi District has a high potency of land for plantation estate extension.Keywords: land suitability, plantation estate, GIS, agriculture
PENINGKATAN NILAI NUTRISI LIMBAH LUMPUR MINYAK SAWIT SEBAGAI PAKAN TERNAK Sindu Akhadiarto
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1929

Abstract

Indonesia is the largest country that has oil palm plantations, covering 7.3 million ha area (2009), with production of 19.4 million tonnes of crude palm oil (CPO) which is expected to palm oil sludge waste as much as 1.94 million tons/year. Palm oil sludge waste is one alternative to potential animal feed ingredients. The low nutritional value and high fiber content causes palm oil sludge requires special treatment before given to animal. The fermentation process is able to increase the nutritional value of the palm oil sludge, such as increasing levels of crude protein and energy metabolism, and also may reducing content of coarse fiber. This fermentation product can be stored at room temperature for 12 weeks without experiencing significant changes in nutritional value. The usage limit of palm oil sludge which is recommended for poultry is 15%. The optimum limit of palm oil sludge in the diets of goats and sheep is 47% and 40% for cows (in concentrate). The use of rice bran on ruminants can be replace entirely by the palm oil sludge. Fermentation techniques can be done to improve the nutritional value of the palm oil sludge, but this technique needs to be studied economically, such as: during the drying process (because of the high content of LMS), and the quite expensive fermentation. Another technique to minimize costs has been done, for example by utilizing the available energy sources in the plant oil.Keywords: palm oil sludge, nutritive values, ruminant, poultry, fermentation.
PROSPEK PENGEMBANGAN KACANG TANAH UNTUK MENUNJANG KETAHANAN PANGAN: (STUDI KASUS UJI VARIETAS DI DESA MAKAMENGGIT KABUPATEN SUMBA TIMUR – NTT) Wahyu Widiyono
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1930

Abstract

To understand the prospect of groundnut development (Arachis hypogaea) for supporting food security in semi arid area, survey and experiment of groundnut varieties were undertaken in Makamenggit Village, East Sumba District, the East Nusa Tenggara Province. Aim of research was to understand natural resources (soil, climate and water) and production potency based on cased study of 6 (six) varieties of groundnut which was cultivated under manure treatment. The six groundnut varieties, i.e. Tupai, Komodo, Zebra, Gajah, Bogor variety and Makamenggit local variety were cultivated in vertisol soil type, organic manure of buffalo feces, irrigation manually from water river in dry season. Parameters of plant height, leave number, and leave cover each individual plant were observed every week, since 5 weeks until 12 weeks after planting. Survey indicated that agro-climate and hydrology of East Sumba was very potential to support groundnut development not only in the rainy season short period (3-4 months), but also in the dry season by utilization of the existence of waterresources (some river and ‘embung-embung’). Result of research showed that six varieties of groundnut had good vegetative growth. The Makamenggit local variety which showed vegetative growth so good performance was potential to promote as a national superior seed. It was obviously that organic manure could increase groundnut vegetative growth (and also reproductive yield) at the vertisol soil type. To develop groundnut cultivation in East Sumba area the utilization of organic manure, cultivation in dry season by irrigation of limited water and seed diversity need to be socialized continuously to the farmers.Keywords: natural resources, prospect, groundnut, food security, east Sumba.
PENDUGAAN PERKEMBANGAN POPULASI ORYCTES RHINOCEROS L. (COLEOPTERA: SCARABAEIDAE) DI PERKEBUNAN KELAPA SAWIT (ELAEIS GUINEENSIS JACQ.) Yulia Pujiastuti., dkk
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1931

Abstract

Approximately 1.000 species of insects are associated with coconut worldwide. Over 40 species of coleopteran pests have been recorded – most are under effective natural control but some require interventions. In view of the increasing and devastating damage by coconut beetle (Oryctes rhinoceros) to coconut palms in the many countries, many efforts are made to find appropriate method to forecast its population. The basic procedures of these monitoring programs are outlined together with forecasting method. A study to forecast coconut beetle population has been carried out in palm oil estate, near Palembang. Study was aimed to estimate population after several observations of beetle population. Another aim was to assess the influences of environmental factors, i.e. temperature, relative humidity and rainfall intensity, which could affect to the beetle population fluctuation. Results showed beetle population could 65.12 percent in average due to unsuitable environmental factors. At first observation temperature was recorded 26 – 30 0C and 1185 larvae werefound. At last observation larvae population decreased to 392 larvae at temperature 29 – 33 0C. It was found that relative humidity and rainfall intensity also played important role in decreasing beetle population.Keywords: coconut beetle, time series analysis, population estimation, environmentalfactors
ANALISIS DAYA DUKUNG LAHAN DAN OPTIMASI PENDAPATAN USAHA TANI DI DAERAH TRANSMIGRASI KURO TIDUR, BENGKULU Daru Mulyono
Jurnal Rekayasa Lingkungan Vol. 6 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i2.1932

Abstract

The objective of the research is to know the cultivation land scale of farmers according to kind of commodities in order to achieve the highest farm income subject to the low land carrying capacity condition. The research use Linear Programming Technique with subject to two main constraints, that are area of cultivation and availability of man power. The research was carried out in Wonoharjo Village, Unit VIII Kuro Tidur Transmigration area, Bengkulu. The method of sampling drawn was random sampling. Number of respondentswas 60 farmers who cultivate food crops as well as estate crops. The results of the research show that the highest farm income can be achieved to a high of Rp. 2.279.217,- a year or increase amount of Rp. 511.140,- a year or 28.9 % through intensive cultivation of wetland rice = 0.261 ha, upland rice = 0.188 ha, cassava = 0.120 ha, peanut = 0,101 ha, and coffee = 0.750 ha.Kaywords: Transmigration land income

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