Artikel (41)
The study was conducted in Selaru Island, West Southeast Moluccas Regency in an area of 32,217 ha. The research objective was to determine the land suitability and proposed land utilization of Selaru Island for development of food crops. The results showed that Selaru Island has a rather...
JOURNAL OF TROPICAL SOILS; Vol. 21 No. 3: September 2016; 187-196 | 2017
Population and diversity of arbuscular mycorrhiza fungi (AMF) are varied in the soil and influenced by biotic factors such as host plant and abiotic factors such as soil fertility, soil moisture, pH, temperature, etc. This study aimed to determine the population, diversity, and the dominant type...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 3: September 2017; 183-189 | 2017
Loss of soil organic matter can be caused by erosion triggered by soil compaction and high rainfall. The aims of the study were to determine (1) the loss of soil organic matter, lignocellulose, and soil microbial population due to erosion and (2) the contribution of organic matter from oil palm ...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 3: September 2017; 175-181 | 2017
In Indonesia, tidal swampland is potential to be developed into agricultural land uses. Water management is the key success of farming on the tidal swampland. In the tidal swampland of Kalimantan, Indonesia, a fork irrigation system is widely applied in the water channels to supply irrigation water ...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 3: September 2017; 167-174 | 2017
Most of rubber plants in Indonesia are cultivated in highly-weathered soils; therefore, their annual productions are relatively low with the low quality of latex. The aim of this reseach was to increase the latex quality from a rubber plantation grown on low fertility soils by applying a locally-pro...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 3: September 2017; 155-165 | 2017
The amount of water captured and stored in the soil profile until the next precipitation events is of great importance in dryland agro-ecosystem for successful crop production. The soil’s ability to rapidly capture and store water precipitation can be accessed through measuring soil sorptivit...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 3: September 2017; 149-154 | 2017
Soil fertility is a crucial factor determining the growth and yield of plants. The increase of nutrient content and availability in soil can be achieved by fertilization. A field experiment was conducted using a Randomized Completely Block Design (RCBD) with two factors and three replications in ord...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 3: September 2017; 139-148 | 2017
Tuberose (Polyanthes tuberosa L.) is a potential flowering plant that will be developed in Jatinangor, West Java, Indonesia. However, the characteristics of Typic Hapludult soil in Jatinangor , i.e. clay texture, acidic pH, and high amount of total-P but low in available-P cause the tuberose difficu...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 3: September 2017; 131-137 | 2017
The study aimed at understanding the competitive ability of legumes Vigna radiata L. and Mucuna pruriens with weeds and their effects on the activity of nitrifying bacteria in soils and the contents of organic-N in legumes and weeds. The experiment was arranged in a randomized block design with thre...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 2: May 2017; 125-130 | 2017
The objectives of the research were to compare the quality of physical and chemical characteristics of the soils in the oil palm plantations applied with integrated farming system of cattle and oil palm plantation (IFSCO) and without IFSCO (non-IFSCO), as well as to evaluate the economic benefits of...
JOURNAL OF TROPICAL SOILS; Vol. 22 No. 2: May 2017; 113-123 | 2017