13 articles in this issue
Witono Basuki
Mikroorganism has capability to degrade used engine oil was isolated from soil sample contaminated with used engine oil. One of the selected strain TCP C 2.1 was identified by 16s rDNA as Lycinibacillus sphaericus. The microorganism can use... see more
Rudi Nugroho,Nusa Idaman Said
A study to improve the raw water quality at Taman Kota Drinking Water Company was conducted by using pilot plant of biofiltration system. The pilot plant was run by pumpingthe raw water from river to the reactor continuously with various Hydraulic Re... see more
Joko Prayitno,Radianti Prisha,Sri Herlina
Uji degradasi minyak dari enam isolat bakteri (P1, P2, P3, P4, P5 dan P6) dan konsorsiumnya (K1, K2 dan K3) telah dilakukan dalam skala laboratorium. Isolat-isolat bakteri tersebut berasal dari tanah tercemar minyak di sumur pertambangan minyak di Siak, R... see more
Jana Tjahjana Anggadiredja
Fourteen compounds were isolated from acetone extracts of three species of seaweeds (Eucheuma serra, a red seaweed, Halimeda opuntia, a green seaweed, and Hydroclathrus clathratus, a brown seaweed) using bioautographic TLC methods and ident... see more
Bambang Hariyanto
Sago plants is a source of carbohydrates that can be used as a source of food. With the extruder technology, sago can be made noodles. The purpose of this study is to know the utilization of sago as a provider of food and protecting the environm... see more
M Imelda,S Sari,A Wulansari,F Eriyandri
Aloe vera (L.) Burm.f. of the Asphodelaceae, which probably originated in North Africa is a very short-stemmed succulent, perennial plant of 80-100 cm in height. Today, it is widely grown in the tropics worldwide. It has long been used as a trad... see more
Muhammad Mansur,Nuril Hidayati,Titi Juhaeti
Research the structure and composition of vegetation, biomass estimation, carbon content and the rate of photosynthesis was conducted in Citalahab Central Village,Gunung Halimun-Salak National Park, West Java, on August 2010. The purpose of rese... see more
Suaciatmih Suciatmih,Yuliar yuliar,D Supriyati
Isolation of endophytic fungi was done to find alternative microorganisms as biocontrol agents against Rhizoctonia solani Kuhn, a soil borne pathogen on many agriculturalcrops. The research objectives were 1) to isolate and identify endophytic fungi ... see more
Firman Laili Sahwan,Sri Wahyono,Feddy Suryanto
Organic fertilizer is a fertilizer that is expected to improve the physical, chemical, and biological properties of the agricultural land resources, which is undergoing fertilityand productivity degradation. Compost is one of the organic fertilizers ... see more
Petrus Nugroho Rahardjo
The gases produced from Sanitary Landfill are to be monitored and collected so as not to cause environmental pollution. TPA Bangklet in Bangli District, Bali Province iscurrently being reviewed and further developed to be pilot Sanitary Landfill in I... see more
Hartiniati Hartiniati
Indonesia has one of the largest Coal Bed Methane (CBM) reserves in the world with a potential 453 trillion cubic feet (“Tcf”), more than double the country’s natural gasreserves. The government, therefore, is planning to exploite its huge potential ... see more
Rony Bishry
he natural resources utilization for economic development has become the driver of land cover and environmental change. Logging and coal production have created dryland. The policy of natural resources utilization for development in Kutai Timur Regen... see more
Wage Komarawidjaja
Water quality index (IKA) is one tool to quickly predict the environmental quality status of an ecosystem or region to obtaining an alternative of the future management. Toanalyze the status of these indices utilize only data of environmental paramet... see more