Artikel (44)
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
Land Suitability and Purposed Land Use of Selaru Island, West-Southeast Moluccas Regency (MP Sirappa, ED Waas and AN Susanto): Research was conducted in Selaru Island, West Southeast Moluccas Regency which has areal 32,217 ha. The purpose of the research was to study land suitability class and direc...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 2: May 2010; 169-178 | 2018
Land Suitability Criteria for Intensively Managed Cavendish Banana Crop in Way Kambas East Lampung, Indonesia (Ansyori, Sudarsono, R Poerwanto, and Darmawan): Banana as one of the pre-eminent products of horticultural crop has a very important role in the growth of agricultural sector. The r...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 2: May 2010; 159-167 | 2018
Spatial Variability of Soil Nutrients Content Related to Rice Yield (T Syam): Soil nutrients content and its spatial distribution are very important data for site specific fertilizer management to supply sufficient crop nutrition. The study was carried out at the farmer paddy field in Rejomu...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 2: May 2010; 153-157 | 2018
Soil Erosion Prediction Using GIS and RUSLE: Study at Sampean Watershed (A Faisol and Indarto): Erosion is one factor that cause soil degradation in Indonesia. RUSLE (Revised Universal Soil Loss Equation) is widely used to predict average annual rate of soil erosion. This research integrate the ...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 2: May 2010; 147-152 | 2018