20 articles in this issue
Firman L Syahwan
Empty Fruit Bunches (EFB) and sludge are 2 (two) kinds of solid waste of palm oilplant that haven’t been utilized optimally. Their potency are high enough, and both have different characteristic that positively influence each other if both utilized t... see more
Mubekti .
The evaluation of agricultural commodity zoning is implemented on tidal swamp area in Batola District, South Kalimantan Province . In fact, the quality of land varies from one place to the others due to the presence of limiting factors in it. Th... see more
Djadja Siti Hazar Hoesen
Vegetative propagation from bulb excised of Eleutherine sp. (Iridaceae) were cultured in Murashige and Skoog (MS) medium supplemented with plant growth regulator (PGR) Benzyl adenine (BA) 1 mg/l at initiation stage, BA (2 and 5) mg/l for induced... see more
Wahyu Widiyono
District, East Nusa Tenggara Province. However, some wells in this area need to be conserved by planting of selected species at the watershed area in order the water available continually during a year. To understand the native and crop species ... see more
Dyah Supriyati,Dwi Agustiyani
Experiment using organic fertilizer and microbial community to support the growth of Tectona grandis L.f in the cyanide contaminated-soil has been conducted in gold tailing pond Cikotok. Microbes used in this experiment were mixed of cyanide deg... see more
Ira Djajanegara
Coconut water and rotten banana fruits are commonly found in traditional markets as organic wastes. One way to overcome the problems caused by these organic wastes is to convert these unuseful matter into an important and economically useful mat... see more
Martin Djamin,Soni S.Wirawan
Renewable energy sources make a distinction as a promising solution towardssustainable and environmentally friendly energy production. Developing biodiesel isvery important for Indonesia due to various reasons including the abundanceavailability of the ra... see more
Arie Herlambang,Henky Sutanto,Kusno Wibowo
Waste to energy now become one of the technology solution that is in many developed countries, in an effort to reduce greenhouse gas emissions from waste. Urban organic waste is a potential source of greenhouse gases. Methane gas is an energy s... see more
Rony M. Bishry
The natural resources utilization for economic development has became the driver of land cover and and environmental change. The policy of natural resources utilization for development in Kalimantan Selatan has changed the net value of its natur... see more
J. Tri astuti,Lies Sriwuryandari,Ekoputro Agung Putro,T. Sembiring
Micro-algae are to be an attractive way to produce bio-diesel due to high photosynthetic yields and lipid accumulation in cells. This high productivity combined with possibility to uptake CO2 stimulated its utilization as a biological mitigation... see more
yati Sudaryati Soeka,Evi Triana,Ninu Setianingrum
The aim of the research was to know the capability of actinomycetes isolate from Bangka Belitung, which stored at Microbiology-LIPI Culture Collection, in producing chitinase enzyme. This isolate which could produce chitinolitic enzyme, signed b... see more
Nunik Sulistinah
A bacteria isolate capable utilizing 1% (v/v) acetonitrile and butironitrile as thesolesource of carbon and nitrogen was isolated from industrial effluents ofPTPetrokimia-Gresik and identified as Flavobacterium sp NUB1. The bacteriaisolatewas able to grow... see more
Praptiwi .,Chairul .
Observation of imunomodulation properties of methanol extract derive (hexane,ethyl acetate, methanol/water) of Curcuma mangga (temu mangga) and Kaempferia angustifolia (kunci menir) had been carried out by in vitro assay. It was done by determin... see more
Hartati Imamuddin
Nitrification is often not effective because the characters of nitrifying bacteria is always slow growing and temperature, pH, DO, amonia concentration, nitrite and C/N ratio as the limited factors. Batch experiment was operated for 6 hours, eve... see more
Nunik Sulistinah,Bambang Sunarko
Bacterial consortium capable of growing and utilizing cyanide as a source of nitrogen were isolated from effluent of gold mining industry. The isolation was conducted using liquid enrichment medium with potassium cyanide and glucose as nitrogen ... see more
Irhan Febijanto
Water waste in Palm Oil Mill (POM) is not effectively utilized yet. Before waste water discharge from POM, the waste water is processed by an aerobic treatment in several ponds to decrease the influence of organic matter. Methane gas generated i... see more
Hendra Tjahjono,Kusno Wibowo
Fotobioreaktor adalah suatu alat yang dipergunakan dalam memproduksi mikroalga yang dapat dipegunakan untuk menyerap CO2. Kultur mikroalga pada fotobioreaktor adalah salah satu upaya untuk mengurangi emisi CO2 di atmosfer, yang merupakan ba... see more
Sri Widawati
The activity of phosphate solubilizing enzyme and the effectivity of microbe from Wamena for support agriculture of environmental friendliness at marginal area. Phosphate dissolution of enzyme by microbial effective in compost plus from Wamena&n... see more
Yudhi Soetrisno Garno
Sei Nongsa is a reservoir in the Batam Industrial Development Area (BIDA), whichdeveloped especially for source of drinking water. This research was conducted toknow the water quality status of Sei Nongsa, and the suitability for the source of drinking&nb... see more
Muhammad Mansur,Saefudin .,Fauzia Syarif
Leaf NPK fertilizer experiments on pitcher plant (Nepenthes neglecta and ventrata) conducted in May 2008 to March 2009 in a greenhouse, Botany Division, Research Center for Biology-LIPI, Cibinong Science Center, Cibinong. The objective is to study th... see more