EFFECT OF CADMIUM POLLUTION ON SOIL ORGANIC CARBON PARTICLE SIZE FRACTIONS IN HAMADAN AND LAHIGAN SOILS TREATED WITH WHEAT STRAW

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SAFARI SINEGANI ALI AKBAR; JAFARI MONSEF MILAD

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Journal: APPLIED SOIL RESEARCH Year:2017 | Volume:5 | Issue:1 Page(s): 1-12

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Title

EFFECT OF CADMIUM POLLUTION ON SOIL ORGANIC CARBON PARTICLE SIZE FRACTIONS IN HAMADAN AND LAHIGAN SOILS TREATED WITH WHEAT STRAW

Author(s)

SAFARI SINEGANI ALI AKBAR | JAFARI MONSEF MILAD | Issue Writer Certificate

Keywords

CARBON SEQUESTRATIONQ2

PARTICLE SIZE FRACTIONATIONQ1

SOIL POLLUTIONQ3

WHEAT STRAWQ1

Abstract

Soil pollution by heavy metals like cadmium (Cd) with lowering the activity of microorganism can change CARBON SEQUESTRATION in soil. Plant residues when applied in soil are in free particulate form. They will be covered by clay particle and finally will be transformed to organ mineral particles biologically. In this study, the effects of Cd addition (0 and 10 mg kg-1 soil) and time duration (1 day, 1, 3 and 5 months) on particle size fraction of organic carbon (OC) were studied in Hmadan and Lahijan soils in 3 replicates. Sand size fraction (SSF) and silt+clay size fraction (Si+CSF) of soil organic carbon were analyzed by the PARTICLE SIZE FRACTIONATION and OC determination by wet oxidation. The main part of OC in Hamadan soil was in SSF (14.12 mg kg-1 soil or 40%) but it was in Si+CSF in Lahijan soil (15.80 mg kg-1 soil or 32%) in 1st day of soil incubation. The rate of OC decrease in Hamadan soil was markedly higher than that in Lahijan soil. SOIL POLLUTION with Cd decreased OC biodegradation in both of the studied soils. It increased OC retention especially in Lahijan soil. This effect may be related to higher clay content and higher Cd bioavailability and contamination factor in Lahijan soil.

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APA: Copy

SAFARI SINEGANI, ALI AKBAR, & JAFARI MONSEF, MILAD. (2017). EFFECT OF CADMIUM POLLUTION ON SOIL ORGANIC CARBON PARTICLE SIZE FRACTIONS IN HAMADAN AND LAHIGAN SOILS TREATED WITH WHEAT STRAW. APPLIED SOIL RESEARCH, 5(1), 1-12. SID. https://sid.ir/paper/261844/en

Vancouver: Copy

SAFARI SINEGANI ALI AKBAR, JAFARI MONSEF MILAD. EFFECT OF CADMIUM POLLUTION ON SOIL ORGANIC CARBON PARTICLE SIZE FRACTIONS IN HAMADAN AND LAHIGAN SOILS TREATED WITH WHEAT STRAW. APPLIED SOIL RESEARCH[Internet]. 2017;5(1):1-12. Available from: https://sid.ir/paper/261844/en

IEEE: Copy

ALI AKBAR SAFARI SINEGANI, and MILAD JAFARI MONSEF, “EFFECT OF CADMIUM POLLUTION ON SOIL ORGANIC CARBON PARTICLE SIZE FRACTIONS IN HAMADAN AND LAHIGAN SOILS TREATED WITH WHEAT STRAW,” APPLIED SOIL RESEARCH, vol. 5, no. 1, pp. 1–12, 2017, [Online]. Available: https://sid.ir/paper/261844/en

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