14 articles in this issue
Kardono Kardono
The level of environmental quality is indicated by how much the pollutants enter into and stay in it, that is whether they are still below or already above the regulated pollutants standard. In knowing pollutant concentration in the environment, pollutant... see more
Mubekti Mubekti
Landslide is the main natural disaster in the study area of North Sumedang and South Sumedang sub-districts. The spatial distribution of landslide hazard and risk are not available yet that important for decision making. The aim of research is to provideg... see more
Sutopo Purwo Nugroho
The increment of critical land extent is still undergoing because of change of land use without accompanied with conservation of land and water proportionally. Hence, it is need to carry out rehabilitation of land and forest by considering critical land m... see more
Markus Sumarsono
A test of a diesel motor using the fuel mixture of diesel-jatropha oil has been conducted in order to analyze the influence of fuel mixture composition to the motor performance and exhaust gas emission. The motor which had a single cylinder, 4 cycles, wit... see more
Netty Widyastuti
The sawdust can be utilized as mushroom formulation medium , like shiitake (Lentinus edodes /Lentinula edodes). The antitumor properties of lentinus are attributed to the presence of polysaccharide lentinan. Lentinan can be utilized as reducing diabetes, ... see more
Eko D Heripoerwanto
People who were seeking housing in relatively good environment in the fringe area of metropolitant have found themselves experiencing the negative impact of continuing suburban sprawl and housing growth, especially when basic infrastructures and urban ser... see more
CB Herman Edyanto
One of the most important of human life is water. Water may provide easily in certain areas , however, some parts in the world are still being suffered from the lack of fresh water. In eastern part of Indonesia for example people found the source of water... see more
Abubakar Lubis
This paper is to review existing knowledge on energy requirements for manufacturing photovoltaic (PV) module and system. Estimate energy (primary energy) requirements for manufacturing PV module for scenario: Low* and High1. For multi crystalline silicon ... see more
Wage Komarawidjaja
The Concern of this study is to understand Gracilaria sp. function in biofiltration process as a way in removing exceeding nutrient.Laboratory analysis indicated that Gracilaria sp has the ability to reduce organic substance as orthophosphate in see water... see more
Sudaryono Sudaryono
Productivity of agricultural land contaminated with tannery wastes originatedchromium is decreased. Crop produced on the contaminated land is toxic for human and animal. An alternative to solve this problem is by using plants which are able to tolerate th... see more
Sri Puji Ganefati
Leachate, especially from the landfill, is a pollutant that can harm human health and pollute the environment including aquatic biota, because the leachate contains various chemicals both organic and inorganic substances and also pathogen bacteria. Labora... see more
Wahyu Widiyono
Conservation of flora, soil and water resources are very important to manage‘embung’ ecosystem, in West Timor Island. Generally, ‘embung’ watersheds in this area are degraded, and consequently resulted high runoff and erosion rate; and at the same time, ‘... see more
Kasiran Kasiran
The research of land productivity through the application of alley cropping has been carried out in transmigration area Kuro Tidur, Bengkulu. The research was done continously within three planting seasons, from 1997 to 1998. The results of the research s... see more
Soni S Wirawan
Biodiesel has been proven by world wide numerous studies as an environmental friendly alternative diesel fuel. Biodiesel is essentially sulfur free. Engines fueled by biodiesel emit significantly fewer particulates, hydrocarbons and less carbon monoxide t... see more