Artikel (10)
Estimation of soil erosion 3D (E3D) provides basic information that can help manage agricultural areas sustainably, which has not been sufficiently conducted in Indonesia. Sumani watershed is main rice production area in West Sumatra which has experienced environmental problem such as soil erosion a...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 241-254 | 2014
Evaluation of land suitability for soybean by involving the presence and biodiversity of soil fauna has been conducted. The research was done on thecenter of soybean plantations in Ultisols soils in Banten, Lampung, and Lahat (south Sumatera) Provinces. The objective of research was to determi...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 231-239 | 2014
Soil fauna has played an important role in ecosystem functioning, especially as ecosystem engineers which contribute to soil fertility in tropical environment. A tailing deposition area is one habitat that has several types of soil fauna to live and growth as well as involves in the deco...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 225-229 | 2014
The research was aimed to study the potency of two leguminous cover crops in enhancing tailing fertility of post tin mining with and without addition of mineral soil and compost. This pot experiment was carried out in Greenhouse of Soil Science Department, Faculty of Agriculture, Sriwijaya Unive...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 217-223 | 2014
Increased use of N fertilizer may substantially increase of nitrate nitrogen (NO3-N) leaching, which potentially pollutes groundwater. Leaching behaviour of nitrogen (N) was observed in the paddy field of forage rice cultivation. Two kinds of animal manure, cattle manure (CM) and poultry manure ...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 209-216 | 2014
Soil reaction (pH), aluminum (Al), iron (Fe) and phosphorus (P) are the parameters which presences in soil are related to each other. The role of each parameter on the grow than development of plants is very significant. Liming and organic mater amendment are some efforts that are frequently perform...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 203-208 | 2014
Rice is an important food crop in the world’s second after wheat and estimated rice demand in 2015 reached 55.8 million Mg. Ministry of health stated that approximately 100 million people in Indonesia are suffer micronutrient deficiencies (iron and iodine), because they cannot afford to b...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 195-202 | 2014
Saline soil cation dynamic is determined by the proportion of salt cations dissolved either acidic or alkaline. Common base cations in saline soil are in the proportion of Na > Ca > Mg > K. They affects the availability of water, nutrients, and plant growth. ...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 185-194 | 2014
Palm Oil Mill Effluent (POME) cannot be directly used as an organic fertilizer source due to its high Biological Oxygen Demand (BOD) thus it is not environmentally safely. To increase the high quality of organic fertilizer obtained, the liquid wastes are needed to be processed in order to decrea...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 177-184 | 2014
A carbon dioxide emission on peatland under oil palm plantation was highly varied due to many factors involved. The objectives of the research were to evaluate the effect of sampling distance from center of oil palm tree on Carbon dioxide flux, and to study the factors that cause variability of ...
JOURNAL OF TROPICAL SOILS; Vol. 18 No. 2: May 2013 | 2014