Artikel (421)
The Effects of Various Water Table Depths on CO2 Emission at Oil Palm Plantation on West Aceh Peat (EP Handayani, M van Noordwijk, K Idris, S Sabiham and S Djuniwati): Changes in the depth of water table influenced carbon cycling in peatlands, and affected the sources and sinks of carbon...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 255-260 | 2018
Soil Organic Carbon Losses: The Balance between Respiration and Leaching, and Phosphorus Mobility in Lateritic Soils (FH Noor): Organic matter (OM) application may contribute to managing lateritic soils by improving aspects of physical, chemical, and biological fertility. However, the finite per...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 245-254 | 2018
The Properties of Humic Acids Extracted from Four Sources of Organic Matters and Their Ability to Bind Fe2+ at New Established Rice Field (Herviyanti, TB Prasetyo, F Ahmad and Darmawan):Â In order to identify the properties of humic acid extracted from four kinds of organic matters (a peat soil, ...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 237-244 | 2018
Site Specific Nitrogen Management Simulated by CropSyst Model under Different Inputs of Nitrogen Fertilizer (Y Wijayanto): Site Specific Nutrient Management (SSNM) has been suggested as the only means for increasing productivity of crops and minimizing the environmental impacts. Despite of this, it ...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 229-235 | 2018
Changes of Soil Properties on Various Ages of Rubber Trees in Dhamasraya, West Sumatra, Indonesia (S Yasin, Adrinal, Junaidi, E Wahyudi, S Herlena and Darmawan): Although rubber has been planted in Indonesia from Holland era, but there is little information about the effect of rubber plantation on t...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 221-227 | 2018
Increasing of “Keprok†Citrus Production in the Andisols of Karo by a Local Compound Fertilizers
Increasing of “Keprok†Citrus Production in the Andisols of Karo by a Local Compound Fertilizers (E Tuherkih and Sukristiyonubowo): The improvement of “keprok†citrus production in term of quantity and quality depends on soil properties and fertilization.  Many factors aff...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 213-219 | 2018
Identification of nutrient deficiencies at calcareous soils for maize (D Nursyamsi): A pot experiment was conducted to identify nutrient deficiencies at calcareous soils for maize (Zea mays, L.) in green house of Indonesian Soil Research Institute using top soil (0-20 cm) samples taken from Bogor (T...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 203-212 | 2018
The Role of Peat Layers on Iron Dynamics in Peatlands (A Fahmi, B Radjagukguk, BH Purwanto and E Hanudin): The research aimed to study the effect of peat thickness and humification stage of the peat material on Fe solubility at the peatlands with sulfidic material as substratum. The research was...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 195-201 | 2018
Effect of NaCl-Stress on Metabolism of NO3-, NH4+ and NO2- at Several Rice Varieties (MZH Utama): This study was conducted to evaluate the effect of NaCl-stress on metabolism of NO3-, NH4+ and NO2- at several rice varieties. The results showed that an addition of NaCl...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 189-194 | 2018
Selected Physical Properties of Andisols under Different Land Use Condition in Gunung Kerinci Subdistrict, Jambi (Endriani):Â Objective of the research was to study the effect of different land use at some land slope condition on some physical properties of Andisols in Gunung Kerinci Subdistrict,...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 2: May 2010; 179-187 | 2018