Artikel (426)
The micronutrient status of the soils and leaf of cocoa, kola, cashew and coffee plantations to study the soil-plant micronutrient content relationship in the plantation soils for proper management towards optimum production of the crops was investigated at Uhonmora, Edo State, Nigeria. Soil and lea...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013; 93-97 | 2013
Quantitative evaluation of soil erosion rate is an important basic to investigate and improve land use system, which has not been sufficiently conducted in Indonesia. The Universal Soil Loss Equation (USLE) and Erosion Three Dimension (E3D) in Surfer were used to identify characteristic of domin...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 81-92 | 2013
Microbial N2-fixer and P-solubilizer were innoculated in a mixture of fresh manure and phosphate rock formulated as an Organonitrophos fertilizer. The population dynamics of bacteria and fungi growing during the composting process were observed. The inoculation treatments consisted of: K = mixture o...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 75-80 | 2013
Coal powder waste application on low nutrient media is expected to be able to increase plant growth and to improve Arbuscular mycorrhizal fungi (AMF) development. The objective of this research was to determine the effect of coal waste powder on the growth of Anthocephallus cadamba Jack and AMF deve...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 59-66 | 2013
A glass house study was conducted to evaluate the contribution of indigenous arbuscular mycorrhiza fungi (AMF) in improving maize yield grown on sandy loam of Northern Lombok. The package of organic fertilizers treatments were tested including: without inoculation of mycorrhiza, inoculation mycorrhi...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 53-58 | 2013
Ultisol as a marginal soil has become ‘a hope’ by farmers in Indonesia due to land use change, lately. However, the soil is susceptible to degradation since it has low soil aggregate stability (SAS) as affected by low soil organic matter (SOM) content. A pot trial about application of f...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 33-44 | 2013
The research aimed to study effect the application of river sand (RS), coconut coir (CC), and banana coir (BC) on growth and yield of rice (Oryza sativa L.) in Ustic Endoaquert. The research was carried out in a green house using 3 × 3 × 3 factorial design. The RS factor consists of three tr...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 25-32 | 2013
The descriptive explored study was conducted in districts Bumi Nabung, Sari Bakti, Seputih Banyak and Rumbia, Central Lampung, Indonesia. The parameters observed consisted of chemical and biological aspects of soil, which directly affected plant growth. This activity was carried out as preliminary s...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 17-24 | 2013
Carbon stock on peatlands are large and will be easily emitted if the land is opened or drained, therefore the measurements of carbon stocks and ash content are important to know the amount of emissions and agricultural sustainability in peatlands. This study aimed to determine carbon stock and ...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 11-16 | 2013
The objectives of the research were: (i) to isolate and characterize of phosphate solubilizing bacteria (PSB) and (ii) to identify PSB based on molecular amplification of 16S rRNA gene. Soil samples were collected from rhizosphere in Bogor, West Nusa Tenggara, and East Nusa Tenggara. Sev...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 1: January 2013; 67-74 | 2013