Artikel (421)
The production of electrical energy from burning of coal produced large amounts of fly ash waste. Fly ash had the potential to be used as soil ameliorant material because it has a very fine size. The purpose of the research was to to develop a new alternative organic fertilizer and to find out t...
JOURNAL OF TROPICAL SOILS; Vol. 24 No. 1: January 2019; 11-16 | 2019
Many of soil amendment formulations (as a biochar based) have been tested in Indonesian Soil Research Institute greenhouse experiment to improve its effectiveness in the soil, though field experiments were still needed to measure more about its effectiveness. The objectives of this research are to s...
JOURNAL OF TROPICAL SOILS; Vol. 24 No. 1: January 2019; 33-41 | 2019
The farmers realize that green revolution technology with high inputs is no longer sustainable. They want to move to other rice farming systems. The aim of research was to study soil chemical-physical characteristics and rice productions under three rice farming systems. This study was condu...
JOURNAL OF TROPICAL SOILS; Vol. 24 No. 1: January 2019; 17-23 | 2019
The role of microbial communities in maintaining soil health is mostly influenced by chemical condition of soil. Microbial communities vary in response to soil chemical factors. The contradictive results from previous findings emphasise that it is difficult to define a pattern of the influence of so...
JOURNAL OF TROPICAL SOILS; Vol. 24 No. 1: January 2019; 43-51 | 2019
Phosphate solubilizing bacteria (PSB) metabolites are organic acids, phosphomonoesterase enzyme (alkaline phosphatase) and antibiotic, which is able to dissolve insoluble phosphate. Phosphate solubilizing bacteria used in this study was expected to suppress Rhizoctonia solani attacks. This experimen...
JOURNAL OF TROPICAL SOILS; Vol. 13 No. 3: September 2008; 233-240 | 2018
Fertilization of K is very important to increase product agriculture besides fertilization of N and P. In this time usage fertilizer not yet proportional and rational, such as those which happened in usage rice field fertilizer of K for the crop of paddy tend to excessively. The other way in the upl...
JOURNAL OF TROPICAL SOILS; Vol. 13 No. 3: September 2008; 179-187 | 2018
Arable soils located in the vicinity of urban and industrial area are considered vulnerable to heavy metals pollution. Chemical inactivation, an in situ remediation method that used inexpensive chemicals to reduce pollutant solubility in polluted soil, was examined on a Cd-spiked arable soil. Th...
JOURNAL OF TROPICAL SOILS; Vol. 13 No. 3: September 2008; 171-178 | 2018
Water Table Fluctuation in Tidal Lowland for Developing Agricultural Water Management Strategies (MS Imanuddin, E Armanto, RH Susanto and SM Bernas):The research objective is to evaluate the water status in the tertiary block of tidal lowland for developing water management strategies and cropping p...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 277-282 | 2018
Increasing of Rice Yield by Using Growth Promoting Endophytic Bacteria from Swamp Land (SNA Fitri and N Gofar):Â Swamp land has can be used as a paddy field that will be potential as a rice source However, this land has some limiting factors such as low fertility. On the other hand, continous use...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 271-276 | 2018
Model Simulation of “Sawah-Kolam†System for Rainwater Harvesting to Support Rainfed Paddy Production (S Triyono, Zeovany, Oktafri, and B Rosadi): The study was used to evaluate whether rainwater could be harvested and used to meet water demand of rainfed paddy. As generally known, y...
JOURNAL OF TROPICAL SOILS; Vol. 15 No. 3: September 2010; 261-270 | 2018