International Journal of Environmental Science and Development

Abstract—Different land use at the study site such as forest, dry land and rice fields originating from the same soil type, affects the presence of various phosphorus (P) fractions in the soil profile. The purpose of this study was to study the chemical characteristics of Al, Fe, Mn, exchangeable and inorganic P fractions of the soil on the Ultisol soil profile using forest, dry land and rice fields in Jasinga. Soil samples were taken on three horizons (Ao or Ap, AB and B) at profiles of forest soil and dry land, while in paddy fields taken at a depth of 0–20 cm, 20–40 cm and 40–60 cm from the ground surface. The chemical properties of the soil analyzed were soil pH, C-organic, exchangeable-Al, exchangeable-Fe, exchangeable-Mn and P fractionation. The results showed that the soil in the study site had a cleavage texture with a pH range of very acidic to slightly acidic. The highest exchangeable-Al levels were found in forest land at 433 ppm, the highest exchangeable-Fe was in rice fields at 0.019 ppm and the highest exchangeable-Mn was in dry land use at 0.063 ppm. The significant correlation of the (Ca, Mg)-P fraction with soil pH of selected chemical properties on dry land showed that this fraction would increase with increasing pH and vice versa would decrease with increasing exchangeable-Al and exchangeable-Mn.

Index Terms—Correlation, combination method, land use

Erlina Rahmayuni is with Study Program of Agroecotechnology, Faculty of Agriculture, Muhammadiyah University Jakarta and Departement of Soil Science and Land Resources, Faculty of Agriculture, IPB University, Indonesia.
Budi Nugroho and Lilik Tri Indriyati are with Departement of Soil Science and Land Resources, Faculty of Agriculture, IPB University, Indonesia.
Syaiful Anwar was with Departement of Soil Science and Land Resources, Faculty of Agriculture, IPB University, Indonesia.
*Correspondence: erlina.rahmayuni@umj.ac.id (E.R.)

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Cite: Erlina Rahmayuni*, Syaiful Anwar, Budi Nugroho, and Lilik T. Indriyati, "Chemical Characteristics of Exchangeable Al, Fe, Mn, and Inorganic P Fraction Ultisols at Forest, Dry Land and Rice Fields Land Use in Jasinga, Indonesia," International Journal of Environmental Science and Development vol. 14, no. 4, pp. 228-233, 2023.

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