Investigation of Iron Chemical Fractions in Some Calcareous Soils of Orange (Citrus sinensis L. ) Orchards in Darab Region, Southeast of Fars Province

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BOOSTANI HAMID REZA; Najafi Ghiri Mahdi; Amin Hosein; MIRSOLEIMANI ABBAS

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Journal: APPLIED SOIL RESEARCH Year:2018 | Volume:6 | Issue:3 Page(s): 92-105

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Information Journal Paper

Title

Investigation of Iron Chemical Fractions in Some Calcareous Soils of Orange (Citrus sinensis L. ) Orchards in Darab Region, Southeast of Fars Province

Author(s)

BOOSTANI HAMID REZA | Najafi Ghiri Mahdi | Amin Hosein | MIRSOLEIMANI ABBAS | Issue Writer Certificate

Keywords

Amorphous Fe oxidesQ1

Calcium carbonate equivalentQ2

Cation exchange capacityQ2

DTPA-extractable FeQ2

Organic matterQ2

Abstract

Iron (Fe) deficiency in soil is a limiting factor for the growth of most plants. Fe availability in soil depends on distribution of Fe chemical forms among soil components which it is affected by physicochemical characteristics of soil. The aim of the present study was to investigate the distribution of Fe chemical fractions in some calcareous soils of orange orchards in Drab region (Fars province) and their relationships with some soil physicochemical properties and Fe concentration in leaves of orange trees. A sequential extraction procedure was used to fractionate Fe chemical forms in the studied soils. The results showed that the distribution of Fe chemical fractions in the studied soils were in the order: CFeOx > Fe-Res > AFeOx > Fe-WsEx > Fe-OM > Fe-Car > Fe-MnOx. There was about 98. 2 percent of total soil-Fe in both CFeOx and Fe-Res fractions which it indicates the presence of Fe in unavailable forms for plant in the studied soils. Among the Fe chemical forms, AFeOx fraction only showed a significant and positive correlation with DTPA extractable Fe in soil and Fe concentration in leaves of orange trees. Also, among the soil properties, Organic matter, Calcium carbonate equivalent and Cation exchange capacity were the effective characteristics of soil in determining the bioavailability of Fe and content of AFeOx form in soil. There were significant and positive correlations among some Fe chemical forms in soil that it represents a dynamic relationship between Fe chemical forms in soil. According to the results, it seems that the amount of soil Organic matter can have an effective role on the availability of Fe in calcareous soils of orange orchards.

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APA: Copy

BOOSTANI, HAMID REZA, Najafi Ghiri, Mahdi, Amin, Hosein, & MIRSOLEIMANI, ABBAS. (2018). Investigation of Iron Chemical Fractions in Some Calcareous Soils of Orange (Citrus sinensis L. ) Orchards in Darab Region, Southeast of Fars Province. APPLIED SOIL RESEARCH, 6(3 ), 92-105. SID. https://sid.ir/paper/261914/en

Vancouver: Copy

BOOSTANI HAMID REZA, Najafi Ghiri Mahdi, Amin Hosein, MIRSOLEIMANI ABBAS. Investigation of Iron Chemical Fractions in Some Calcareous Soils of Orange (Citrus sinensis L. ) Orchards in Darab Region, Southeast of Fars Province. APPLIED SOIL RESEARCH[Internet]. 2018;6(3 ):92-105. Available from: https://sid.ir/paper/261914/en

IEEE: Copy

HAMID REZA BOOSTANI, Mahdi Najafi Ghiri, Hosein Amin, and ABBAS MIRSOLEIMANI, “Investigation of Iron Chemical Fractions in Some Calcareous Soils of Orange (Citrus sinensis L. ) Orchards in Darab Region, Southeast of Fars Province,” APPLIED SOIL RESEARCH, vol. 6, no. 3 , pp. 92–105, 2018, [Online]. Available: https://sid.ir/paper/261914/en

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