Penerbit: Department of Soil Science
P-ISSN: 0852-257X
E-ISSN: 2086-6682
DOI: 10.5400
Fakultas Pertanian Umum Arsitektur
Artikel (23)
Reaksi Pemasaman Senyawa Pirit pada Tanah Rawa Pasang Surut
Priatmadi, Bambang Joko, Haris, Abdul
Most of swamp soils in tidal land are Acid Sulfate Soils. Acid sulfate soils are the common name given to soils containing iron sulfides (pyrite). The soils are characterized by very low pH and high amount of soluble S and Fe, resulted from oxidation of pyrite when soils are drained.  This study ...
JOURNAL OF TROPICAL SOILS; Vol. 14 No. 1: January 2009; 19-24 | 2009
The Long-Term Effect of Blanket Phosphorus Fertilizer Application on the Available P Content in Sawah Soils; Comparative Study in Java, Indonesia
Darmawan, ., Kyuma, Kazutake, Masunaga, Tsugiyuki
In order to evaluate the effects of long-term phosphorus fertilizer application on the sawah soils, a comparative study was conducted in Java Island as a pioneer of Green Revolution (GR) technology application in Indonesia. Soil samples taken in 1970 by Kawaguchi and Kyuma were compared with new sam...
JOURNAL OF TROPICAL SOILS; Vol. 14 No. 1: January 2009; 9-18 | 2009
Evaluation for the Potential Use of Silicate Rocks from FourVolcanoes in Indonesia as Fertilizer and Soil Ameliorant
Priyono, Joko, Sutriono, Raden, Arifin, Zaenal
Silicate rocks, the abundant plant nutrient source in Indonesia, have not been evaluated for use as a fertilizer/and soil ameliorant. This research was aimed to identify (1) mineral and elemental compositions of silicate rocks originated from Galunggung, Kelud, Tambora, and Rinjani Volcanoes and (2)...
JOURNAL OF TROPICAL SOILS; Vol. 14 No. 1: January 2009; 1-8 | 2009