Artikel (426)
Rate of fertilizer that should be applied to rice soil based on Site Specific Nutrient Management (SSNM) depends on indigenous nutrient supply, its recovery efficiency, and the amount of nutrients requirement to achieve the yield target. Research on nutrient omission plot was conducted in farmers ir...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 3: September 2014; 151-159 | 2015
The aim of this research was to study the decline of organic functional group through the process of burning in peat. In addition, this study was also to examine the relationship between water content in peat and organic functional group after combustion (burning). Â Peat drying was conducted in a...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 3: September 2014; 143-149 | 2015
This study measured CO2 flux by segregating effect of root respiration and organic matter decomposition by microbes. The study involved a mineral soil containing high organic matter (Andisols), in the tropic devoted to different land uses i.e. natural forest, tea plantation, and horticultural farm C...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 3: September 2014; 121-130 | 2015
Vegetation has a strong influence on soil characteristics. Vegetation can contribute organic matter sand nutrients to the soil. This study aimed to assess soil fertility through various approaches physical and chemical soil on various types of cover crop in the arboretum area at University of La...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 91-97 | 2015
Assessment for increasing productivity of suboptimal land with using three kinds of organic fertilizer and six rice varieties had been conducted in the Debowae village, Waeapo district, Buru regency at 2011. Purpose of the assessment were to determine the effect of three types organic fertilizer...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 99-109 | 2015
Agricultural development on peatland in Indonesia has been constrained by the presence of environment issues in relation to the release of greenhouse gases (GHGs) particularly carbon dioxide (CO2) and methane (CH4) to the atmosphere. This study was aimed to predict the potential carbon emission base...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 81-89 | 2015
A study was conducted to assess nutrient dynamics of soils under old and young cocoa, coffee and cashew plantations and the leaf nutrient contents of the crops at Uhonmora, Edo State, Nigeria for pr...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 75-80 | 2015
Water management is main factor that determines the successful of rice cultivation in acid sulphate soil. Soil waterlogging determines the direction and rate of chemical, geochemical and biological reaction in the soil, indirectly these reactions may influence to the changes of soil psycal propertie...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 67-73 | 2015
High soil acidity is the most important problem that causes low tomato (Lycopersicum esculentum) productivityat potential acid sulphate soil. Soil quality improvement by using ameliorant, such as lime, and introducing adaptable variety are options to increase tomato productivity in the soils. Field ...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 59-66 | 2015
A study was conducted to assess nutrient dynamics of soils under old and young cocoa, coffee and cashew plantations and the leaf nutrient contents of the crops at Uhonmora, Edo State, Nigeria for proper cultural and soil fertility m...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 53-58 | 2015