Penerbit: Department of Soil Science
P-ISSN: 0852-257X
E-ISSN: 2086-6682
DOI: 10.5400
Fakultas Pertanian Umum Arsitektur
Artikel (421)
Variability of Soybean [glycine max (L) Merr] Growth in Relation to Chemical Properties of Ultisol from East Lampung
Acidic dry land in Lampung is potential for soybean development area. Low soybean yield in farmer level is one of factor causing its’ low competitiveness. Soil fertility is the main constrain related to low yield of soybean. Objective of the research was to diagnose a cause of poor soybean gr...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 37-43 | 2019
Enhanced Soil Chemical Properties and Rice Yield in Acid Sulphate Soil by Application of Rice Straw
Swampland development such as acid sulphate soil for agricultural cultivation has various problem, including high soil acidity, fluctuated and unpredictable water flooding and the presence of toxic elements such as Fe which resulting in low crop yields. The research was conducted at the experimental...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 31-36 | 2019
Application of Rice Straw Compost with Different Bioactivators on the Growth and Yield of Rice Plant
Turnover of organic matters to the soil can increase the efficiency of chemical fertilizers, improve the plant growth and sustain the environment. Field experiment was carried out in the Buyut Udik Village, Gunung Sugih District, Central Lampung from May to August 2009.  Rice straw was composted ...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 25-29 | 2019
The Leaching of Iron and Loss of Phosphate in Acid Sulphate Soil Due to Rice Straw and Phosphate Fertilizer Application
Low phosphorus (P) availability and high iron (Fe) concentration are the dominant characteristics of acid sulphate soils (ASS).  Optimum agricultural management practices are required to leach the excess Fe2+  and to prevent or minimize loss of P from the soil in order to obtain conditions fav...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 19-24 | 2019
Humic Acid and Water Management to Decrease Ferro (Fe2+) Solution and Increase Productivity of Established New Rice Field
The purpose of this research was to gain a technological breakthrough in controlling Fe toxicity (Fe2+) on Ultisol in a new established rice field by using humic acid from rice straw compost and water management, so that optimal production of rice plants could be achieved. The experiment was designe...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 9-17 | 2019
Dynamics of pH, Ferrum and Mangan, and Phosphorus on Newly Opened Paddy Soil having High Soil Organic Matter on Rice Growth
Research had been carried out at the Research and Soil Testing Laboratory and Greenhouse of Soil Research Institute, Bogor using newly opened paddy soil from Pesisir Selatan districts, West Sumatra (one year old). Total treatments tested were 12 which were combination of farmer rate, NPK recommendat...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 1-8 | 2019
Development and Rainfed Paddy Soils Potency Derived from Lacustrine Material in Paguyaman, Gorontalo
Rainfed paddy soils that are derived from lacustrine and include of E4 agroclimatic zone have many unique properties and potentially for paddy and corn plantations. This sreseach was aimed to: (1) study the soil development of rainfed paddy soils derived from lacustrine and (2) evaluate rainfed padd...
JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 267-278 | 2019
Choosing Different Contour Interval on a Fully Raster-Based Erosion Modeling: Case Study at Merawu Watershed, Banjarnegara, Central Java
The research was aimed to study the efect of choosing different contour interval to produce Digital Elevation Model on a fully raster-based erosion modeling of The Universal Soil Loss Equation using remote sensing data and a geographical information system technique.  Methods were applied by anal...
JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 257-266 | 2019
Recharge Area on the Slopes of Volcano Based on Geological Setting, Content of Deuterium and Oxigen Isotopes of Groundwater Chemistry: Case Study on the Slopes of Salak Mountain, West Java
Indonesian is huge areas that have the highest precipitation in the world, therefore water deficit of groundwater is   often happened at anywhere. This study was related to determination of recharge area with approached by combining geological setting, stable isotopes and chemictry content of ...
JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 245-256 | 2019
Developing Seasonal Operation for Water Table Management in Tidal Lowland Reclamations Areas at South Sumatera, Indonesia
The objective of the study was to develop the water management operational plan at tertiary blocks for the growth of rice and corn.  Study was conducted at reclaimed tidal lowland area which was located at Primer 10, Delta Saleh.  This area was classified as a C-typhology land (dry).  The m...
JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 233-244 | 2019