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Erosion Prediction Study of Tugu Utara (Ciliwung Hulu) Sub Watershed
(IPB (Bogor Agricultural University), 2004)
The research of erosion prediction method at watershed scale was carried out at Tugu Utara (Upper Ciliwung) sub watershed in Puncak, West Java, Indonesia from August 2000 to February 2001. The objectives of this study were: ...
Pengindonesiaan Istilah Mikromorfologi Tanah yang Digunakan dalam "Handbook for Soil Thin Section Description [Bullock et al., 1985]"
(IPB (Bogor Agricultural University), 1999)
Mikromorfologi merupakan salah satu cabang ilmu dalam ilmu tanah. Dalam studi mikromorfologi, contoh tanah terlebih dahulu disiapkan sebagai suatu irisan tipis (dengan berbagai metoda), kemudian fenomena yang ada di dalamnya ...
The Effect of Organic Matter (Pueraria javanica) and Rock Phosphate on the Growth and P-uptake of Corn Plant (Zea mays) in Andisol Pasir Saronggae
(IPB (Bogor Agricultural University), 2003)
Phosphor (P) is the second esensial element after nitrogen which is needed by plants, however, its ava/i!ahi/ity is a problem in vulcanic ash soils such as Andisol. The objective of the research was to study the effect of ...
Impact of Fire on Natural Regeneration in Peat
(IPB (Bogor Agricultural University), 2007)
Fire is one of the most effective tools in disappearing vegetation community, where it was depend on the characteristics of burning itself and also the performance of the site being burnt. Previous research in mineral soils ...
Phosphorus and Potassium Status in Paddy Soils (Sawah) of Central Lampung Regency
(IPB (Bogor Agricultural University), 2007)
The knowledge about the nutrient status in the lowland soils is one of several ways to maintain soil fertility and increase farmers income. The objective of this study was to evaluate the status of P20J and K20 content in ...
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 ...
Water saving for paddy cultivation under the System of Rice Intensification (SRI) in Eastern Indonesia
(IPB (Bogor Agricultural University), 2007)
The System of Rice Intensification (SRI) developed in Madagascar in 1980s is a revolutionary new idea for paddy cultivation to increase yields with reduced external resources. Basic idea of SRI originally proposed (Basic ...
Value of the zero point of charge (ZPC) and its relation with potassium sorption in coastal peatland of Jambi and Central Kalimantan
(IPB (Bogor Agricultural University), 2004)
One of the important chemical aspect of peatland management which has not been paid attention to is Zero Point of Charge (ZPC). By determining soil ZPC value, the sorption and bounding of cations can be estimated in certain ...
Direct and Indirect Methods of Soil Microbial-Biomass Determination: Weakness and Srength
(IPB (Bogor Agricultural University), 2003)
Dalam dua dasawarsa terakhir ini telah terjadi peningkatan minat para pakar ilmu tanah dan lingkungan dalam menentukan jumlah total mikroorganisme dalam contoh tanah. Minat tersebut muncul karena para pakar menyadari ...
The Effect of Calcium Silicate on The Phosphorus Sorption Characteristics of Andisols Lembang West Java
(IPB (Bogor Agricultural University), 2008)
The effect of calcium silicate CaSiOJ the phosphorus (P) sorption characteristics were studied in Andisols Lembang. The amount of 0, 2.5 and 5% CaSiOJ (calcium silicate) or 0, 7.5 and 15 g calcium silicate per pot was added ...