CHANGES OF CHEMICAL FORMS OF ZINC IN THE RHIZOSPHERE OF SOME TURNIP AND RADISH CULTIVARS

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GOLESTANI FARD A.R.; MIRSEYED HOSSEINI H.; ARYAN A.; ABBASZADEH DAHAJI P.; TAFVIZI M.

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Journal: Journal of Soil Management and Sustainable Production Year:2015 | Volume:4 | Issue:4 Page(s): 193-214

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Title

CHANGES OF CHEMICAL FORMS OF ZINC IN THE RHIZOSPHERE OF SOME TURNIP AND RADISH CULTIVARS

Author(s)

Keywords

ZINCQ2

METAL BIOAVAILABILITYQ2

SEQUENTIAL EXTRACTIONQ2

DISSOLVED ORGANIC CARBONQ2

AMMONIUM NITRATEQ2

Abstract

In order to study the changes in chemical forms of ZINC in the rhizosphere of two tuber plants and their relationship to plant uptake in a polluted soil, sequential (Tessier et al., 1979) and single step extraction methods were used. In this research, three radish cultivars (Raphanus sativus) and two turnip (Brassica rapa) cultivars were planted in a complete randomized design pot experiment with four replications (20 pots) and 4 pots with no cultivation as blank. Results indicated that the largest forms of ZINC include Fe and Al oxide bounded carbonates and the residual forms respectively. The exchangeable and soluble forms comprise only less than one percent of total ZINC in the rhizospheric soils of all plants. The ZINC concentration of shoots for different cultivars of each plant did not show significant difference and in all plants ZINC accumulation factor and the translocation factor were less than unit. Sequential and single step extractions showed significant increase of Zn in the rhizosphere of both plants compared to bulk soil. Different cultivars of both plants could significantly increase the rhizosphere DOC up to 9 mg.L-1, which consequently increased soluble and exchangeable Zn in this zone for both plants compared to bulk soil. ZINC extracted by calcium nitrate and AMMONIUM NITRATE had a significant and positive correlation with plant concentration (0.45* and 0.42* respectively) and uptake (0.55* and 0.44* respectively) of Zn. For all cultivars, the rhizosphere soil pH increased compared to bulk soil which was statistically significant for some cultivars.

Cites

ASSESSMENT OF ZINC BIOAVAILABILITY IN THE RHIZOSPHERE OF SORGHUM BICOLOR (L.) MOENCH

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APA: Copy

GOLESTANI FARD, A.R., MIRSEYED HOSSEINI, H., ARYAN, A., ABBASZADEH DAHAJI, P., & TAFVIZI, M.. (2015). CHANGES OF CHEMICAL FORMS OF ZINC IN THE RHIZOSPHERE OF SOME TURNIP AND RADISH CULTIVARS. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 4(4), 193-214. SID. https://sid.ir/paper/209881/en

Vancouver: Copy

GOLESTANI FARD A.R., MIRSEYED HOSSEINI H., ARYAN A., ABBASZADEH DAHAJI P., TAFVIZI M.. CHANGES OF CHEMICAL FORMS OF ZINC IN THE RHIZOSPHERE OF SOME TURNIP AND RADISH CULTIVARS. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2015;4(4):193-214. Available from: https://sid.ir/paper/209881/en

IEEE: Copy

A.R. GOLESTANI FARD, H. MIRSEYED HOSSEINI, A. ARYAN, P. ABBASZADEH DAHAJI, and M. TAFVIZI, “CHANGES OF CHEMICAL FORMS OF ZINC IN THE RHIZOSPHERE OF SOME TURNIP AND RADISH CULTIVARS,” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 4, no. 4, pp. 193–214, 2015, [Online]. Available: https://sid.ir/paper/209881/en

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