Effects of Organic Amendments and Incubation Time on Cadmium (Cd) Chemical Fractions in a Calcareous Soil

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Mohammadzadeh Karkaragh r.; CHOROM M.; MOEZZI A.A.; Norouzi Masir m.

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Journal: WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE) Year:2018 | Volume:28 | Issue:1 Page(s): 1-13

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Title

Effects of Organic Amendments and Incubation Time on Cadmium (Cd) Chemical Fractions in a Calcareous Soil

Author(s)

Mohammadzadeh Karkaragh r. | CHOROM M. | MOEZZI A.A. | Norouzi Masir m. | Issue Writer Certificate

Keywords

CadmiumQ2

FractionationQ2

IncubationQ2

Organic matterQ2

TimeQ3

Abstract

Effects of two organic amendments, cow manure and bagasse compost of sugarcane, on the chemical fractions of Cadmium in soil were investigated at three Incubation Times in the present study. Soil sample was polluted with 50 mg kg-1 of Cadmium by spraying the Cadmium salt and after 90 days 25 and 50 tons’ ha-1 of the organic amendments were added to the soil. Some of the soil chemical properties and contents of chemical fractions of Cadmium were determined by sequential extraction method of Tessier after 1, 30 and 60 days from the date of adding the organic amendments. The most fraction of Cadmium in the all of the treatments was observed in the carbonate-fraction and the soluble and exchangeable-and Organic matter-fractions of Cadmium were significantly (p<0. 05) increased by use of the both amendments especially by cow manure, due to increase of the total (TOC) and dissolved (DOC) organic carbon, also the content of the carbonate-fraction of Cadmium was decreased especially in the soil treated with 50 tons ha-1 manure, significantly (p<0. 05). On the other hand, the effect of Incubation Time was significant only on Organic matter-and carbonate-fractions of Cadmium. Adding the both amendments led to a significant (p<0. 05) decrease of Cadmium mobility factor from 57. 6% in the control to 43. 9% and 40. 8% in the 25 and 50 tons ha-1of manure and also to 49. 6% and 46. 9% in the 25 and 50 tons ha-1of bagasse compost treatments, respectively. Finally, it was deducted that adding the decayed manure and plant residues to the soil led to decrease the Cadmium fractions with higher bioavailability, specially carbonate fraction, related to the other chemical fractions of the metal and also decrease the Cadmium mobility in soil.

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APA: Copy

Mohammadzadeh Karkaragh, r., CHOROM, M., MOEZZI, A.A., & Norouzi Masir, m.. (2018). Effects of Organic Amendments and Incubation Time on Cadmium (Cd) Chemical Fractions in a Calcareous Soil. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), 28(1 ), 1-13. SID. https://sid.ir/paper/147699/en

Vancouver: Copy

Mohammadzadeh Karkaragh r., CHOROM M., MOEZZI A.A., Norouzi Masir m.. Effects of Organic Amendments and Incubation Time on Cadmium (Cd) Chemical Fractions in a Calcareous Soil. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE)[Internet]. 2018;28(1 ):1-13. Available from: https://sid.ir/paper/147699/en

IEEE: Copy

r. Mohammadzadeh Karkaragh, M. CHOROM, A.A. MOEZZI, and m. Norouzi Masir, “Effects of Organic Amendments and Incubation Time on Cadmium (Cd) Chemical Fractions in a Calcareous Soil,” WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), vol. 28, no. 1 , pp. 1–13, 2018, [Online]. Available: https://sid.ir/paper/147699/en

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