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All Journal Botani: Publikasi Ilmu Tanaman dan Agribisnis
Saqr Mijbil Al-jumaily
Tikrit University
Agriculture, Biological Sciences & Forestry

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The Ability of Different Calcareous Soil Textures to Lead Fixation in The Northern Iraq Saqr Mijbil Al-jumaily; Zakiya Shihab Hamad
Botani : Publikasi Ilmu Tanaman dan Agribisnis Vol. 3 No. 3 (2026): September: Botani: Publikasi Ilmu Tanaman dan Agribisnis
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/botani.v3i3.616

Abstract

This study was carried out on some calcareous soils in Nineveh province north Iraqi, to evaluate the ability of calcareous soils to Lead retention using the fractionation technique. Six surface and sub-surface soil samples have been taken 5 meters from the main roads between Nineveh governorate and affiliated cities. In the same sites 75 meters away from the main roads six soil surface and sub-surface samples have been taken as a control. All soil samples were triplicated Freundlich and Langmuir equations were applied to determine the maximum loading capacity for lead. Studied soils classified under Aridosol Calciorthids with slightly alkaline and low organic matter content. Results showed that Pb concentration increased by about (43.27%) near road sites compare to control surface soil because of car exhausts. While lead concentrations in sub-surface soil at depth (20 cm) for both sites were without any significant differences. The physochemical pathway of the lead distribution in calcareous conditions showed the following order: - Solid carbonates <Separates< Free oxides <Organic matter< available forms. It is clear that carbonate minerals in calcareous soils are regarded as a good lead resiviour with significantly related adsorption (R2=96).
Co-Authors Zakiya Shihab Hamad