7 articles in this issue
Hari Sulistiyowati,Sugeng Winarso,Damasa Macandog,Rachel Sotto,Nestor Baguinon,Inocencio Buot Jr
As part of carbon pools, forest soil stores soil organic matter (SOM) that contains many elements including organic C, N, P, and K. These elements contribute nutrients for biogeochemical cycles within the ecosystem. This study was done to determine the ec... see more
. Asmarhansyah
An abandoned land after tin-mining activities are degraded lands with undulating and destructed land scape and low soil fertility status. The objective of this study was to determine the effects of organic amendments on the soil properties, growth, and gr... see more
Evi Mutiara Dewi,. Suwardi,Dyah Tjahyandari Suryaningtyas,Syaiful Anwar
This research was aimed to determine the differences of physical and chemical characteristics from three natural zeolites from Tasikmalaya, Bayah and Lampung areas and to examine the characteristics of the natural zeolite adsorption capability to the micr... see more
Sri Mulyani,Dyah Tjahyandari Suryaningtyas,. Suwardi,. Suwarno
Productions of crude palm oil (CPO) produce waste which include the empty oil palm fruit bunch (EOPFB), palm oil mill effluent, shells, and fiber. The combustions of shell and fiber as boiler feed produce waste in the form of boiler ash. Boiler ash is ver... see more
Leoni Dellta Ellannia,Agus Setiawan,Ainin Niswati
Intergrated Forest for Conservation Education of Wan Abdul Rachman (IFCE WAR) Great Forest Park is a conservation forest zone which has natural area and cultivated area. The natural area in Wan Abdul Rachman Great Forest Park consists of secondary f... see more
Andin Muhammad Abduh,Wahida Annisa
Varieties and organic materials have a very important role to the flux of methane (CH4) on paddy cultivation, especially on wetlands. Purpose of this research to determine the amount of methane emissions that released from paddy cultivation in acid sulpha... see more
Marthen Pasang Sirappa,Edwen Donald Waas,Andriko Noto Susanto
The study was conducted in Selaru Island, West Southeast Moluccas Regency in an area of 32,217 ha. The research objective was to determine the land suitability and proposed land utilization of Selaru Island for development of food crops. The r... see more