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A Decision Support System for Rice Cultivation on Acid Sulfate Soils in Malaysia
(IPB (Bogor Agricultural University), 2005)
Ameliorative steps to put acid sulfate soils into productive use can be organized by a decision support system. The model uses microeconomic analysis to get an optimal rate of lime and fertilizer in maximizing profit. A ...
Effect of Interlayer Caution Valence on Formation and Chemical Characteristics of Aluminumhydroxy-Vermuculite
(IPB (Bogor Agricultural University), 2005)
Aluminumhydroxy-smectite (AHS), known also as pillared clay, has some specific c...haracteristics such as: wide specific surface area, high basal spacing, and stable at significant high temperature. The AHS was produced ...
Exploration of Methanol Utilizing Microbes from Soil and Dung, as Source of Single Cell Protein
(IPB (Bogor Agricultural University), 2005)
The objectives of this research were to explore methanol utilizing microbes by isolation. selection and collection of methanol utilizing microbes from soil and dung. further it will be produced as single cell protein. The ...
The Rate of S-Element Transformation to Sulfate on Three Kinds of Soils with and Without Addition of Organic Matter
(IPB (Bogor Agricultural University), 2005)
Defiency of sulfur were found at many areas of farming in Indonesia. The aim of this experiment was to Icnow the rate of S-element tranformation to sulfate on three kinds of soil without and added of organic matter. The ...
Predicting Spatial Distribution of Argilic Horizon Using Auxilary Information in Regional Scale
(IPB (Bogor Agricultural University), 2005)
For supporting better soil management, the spatial distribution of soils having argilic hori=on (argilic soils) must be recognized and it can be delineate in soil survey mapping activity, but this activity consumes much ...
Population Dynamics of Microarthropods (Oribatida and Collembola) in Rainfed Paddy Field Ecosystem in Pati, Central Java
(IPB (Bogor Agricultural University), 2005)
A study on population dynamics of microarthropods (oribatids and collembolans) in rainfed paddy field ecosystem in Pati, Central Java was undertaken with the aim to evaluate which group of soil microarthropods that dominated ...
The Effect of Rock Phosphate and Level of Inoculums on The Survivability of Aspergillus niger and Its Solubilization Ability When Pelleted With Rock Phosphate
(IPB (Bogor Agricultural University), 2005)
The study is intended to examine the survival of Aspergillus niger and its phosphate solubilizing ability when pelleted with rock phosphate. An A. niger YD 17 obtainedfrom the Laboratory of Microbiology. Faculty of ...
Significance of Pelleting The Seed with Phosphate and Lime on The Cultivation of Soybean in Acid Soils in Sitiung, West Sumatera
(IPB (Bogor Agricultural University), 2005)
Several experiments containing 2 field, 2 pot and I rhizotron were conducted to develop a low input agricultural practice (pelleting seed) for production of soybean plant (cv. Tidar) on heavily acid soils of Sitiung, West ...
The Role of Rock Phosphate and Farm Yard Manure Combined-Phosphate-Solubilizing Bacteria in Increasing Nutrient Uptake and Soybean Yield
(IPB (Bogor Agricultural University), 2005)
The aims of the experiment were to evaluate the effect of rock phosphate application and combination between phosphate-solubilizing bacteria with farm yard manure on nutrient uptake and yield of soybean. Factorial experiment ...
Effect of Placement Method of Crop Residue and Irrigation on Soil Physical Properties and Plant Production
(IPB (Bogor Agricultural University), 2005)
A proper management of crop residue can increase crop production since it plays an important role on increasing water availability. The effect of crop residue application on soil productivity depends on many factors. In ...