Penerbit: University of Lampung
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Relationship between Distance Sampling and Carbon Dioxide Emission under Oil Palm Plantation
Oleh: Dariah, Ai, Agus, Fahmuddin, Susanti, Erni
Carbon dioxide emission on peatland under oil palm plantation were highly varied probably due to many factors involved. The objectives of the research were to evaluate the effect of distance sampling from center of oil palm tree on Carbon dioxide flux, and to study the factors that cause var...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013; 125-130
Long-term Tillage and Nitrogen Fertilization Effects on Soil Properties and Crop Yields
Oleh: Utomo, Muhajir, Banuwa, Irwan Sukri, Buchari, Henrie
The impact of agricultural intensification on soil degradation now is occurring in tropical countries. The objective of this study was to determine the effect of long-term tillage and N fertilization on soil properties and crop yields in corn-soybean rotation. This long-term study which initiated si...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013; 131-139
Soil Erosion Prediction Using GIS and Remote Sensing on Manjunto Watershed Bengkulu, Indonesia
Oleh: Gunawan, Gusta, Sutjiningsih, Dwita, Soeryantono, Herr
The study aims to assess the rate of erosion that occurred in Manjunto Watershed and financial loss using Geographic Information System and Remote Sensing. Model used to determine the erosion is E30 models. The basis for the development of this model is to integra...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013; 141-148
Characteristics of Soil Fauna Communities and Habitat in Small- Holder Cocoa Plantation in South Konawe
Oleh: Kilowasid, Laode Muhammad Harjoni, Syamsudin, Tati Suryati, Susilo, Franciscus Xaverius
The composition of the soil fauna community have played an important role in regulating decomposition and nutrient cycling in agro-ecosystems (include cocoa plantation). Changes in food availability and conditions in the soil habitat can affected the abundance and diversity of soil fauna. This study...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013; 149-159
Synergism of Wild Grass and Hydrocarbonoclastic Bacteria in Petroleum Biodegradation
Oleh: Gofar, Nuni
The concept of plants and microbes utilization for remediation measure of pollutant contaminated soil is the newest development in term of petroleum waste management technique. The research objective was to obtain wild grass types and hydrocarbonoclastic bacteria which are capable to synergize in de...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013; 161-168
Impact of Land Use Change and Land Management on Irrigation Water Supply in Northern Java Coast
Oleh: Tarigan, Suria Darma, Tukayo, Rudolf Kristian
In Indonesia, paddy irrigation covers an area of 7,230,183 ha. Ten percent (10%) of those area or 797,971 ha were supplied by reservoirs. As many as 237,790 ha (30%) of those area supplied by reservoirs are situated downstream of Citarum Watershed called Northern Java Coast Irrigation Area or Pantur...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013; 169-176
Relationship between Sampling Distance and Carbon Dioxide Emission under Oil Palm Plantation
Oleh: Dariah, Ai
A carbon dioxide emission on peatland under oil palm plantation was highly varied due to many factors involved. The objectives of the research were to evaluate the effect of sampling distance from center of oil palm tree on Carbon dioxide flux, and to study the factors that cause variability of ...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013
Zeolite Utilization as a Catalyst and Nutrient Adsorbent of an Organic Fertilizer Process From Palm Oil Mill Effluent as Raw Material
Oleh: Nursanti, Ida, Budianta, Dedik, Napoleon, Adipati
Palm Oil Mill Effluent (POME) cannot be directly used as an organic fertilizer source due to its high Biological Oxygen Demand (BOD) thus it is not environmentally safely. To increase the high quality of organic fertilizer obtained, the liquid wastes are needed to be processed in order to decrea...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 177-184
Dynamic of Saline Soil Cations after NaCl Application on Rice Growth and Yields
Oleh: Mindari, Wanti, Guntoro, Wuwut, Kusuma, Zaenal
Saline soil cation dynamic is determined by the proportion of salt cations dissolved either acidic or alkaline. Common base cations in saline soil are in the proportion of Na > Ca > Mg > K. They affects the availability of water, nutrients, and plant growth. ...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 185-194
Effect Modification of the Rice Technology Package to Improve Production Gripped Iron
Oleh: Utama, M Zulman Harja, Sunadi, ., Haryoko, Widodo
Rice is an important food crop in the world’s second after wheat and estimated rice demand in 2015 reached 55.8 million Mg. Ministry of health stated that approximately 100 million people in Indonesia are suffer micronutrient deficiencies (iron and iodine), because they cannot afford to b...
Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 195-202