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All Journal Journal of Tropical Soils Jurnal Sumberdaya Lahan Jurnal Sumberdaya Lahan
Wahida Annisa
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science

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Journal : Jurnal Sumberdaya Lahan

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Retention P by Iron Oxide in Acid Sulphate Soil after Land Reclamation WAHIDA ANNISA; B.H PURWANTO
Jurnal Sumberdaya Lahan Vol 4, No 1 (2010)
Publisher : Indonesian Center for Agriculture Land Resource Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (718.904 KB) | DOI: 10.21082/jsdl.v4n1.2010.%p

Abstract

Acid Sulphate Soil is a kind of soil with high pyrite (FeS2) content. Miss management in land reclamation of acid sulphate soil will cause pyrite oxidation that made the soil becomes very acid. Pyrite oxidation on acid sulphate soil will produce iron oxides such as goethite (α-FeOOH) and hematite (α-Fe2O3). Goethite and hematite have ability to bind the anions and cations in the soilsuch as phosphate which produces a complex surface binuclear with model of Fe-OP(O2)-O-Fe. On acid sulphate land because of its association with soil Fe and its solubility alteration during reduction and oxidation processes of land, P is a limiting factor. More iron oxide in the soil, more P is retentioned. Each m.mol Fe in soil will bind P as much as 0,17 m.mol P.
Co-Authors Abduh, Andin Muhammad Azwar Maas B.H PURWANTO Sosiawan, Hendri