THE EFFECT OF WHEAT RHIZOSPHERE ON PHOSPHORUS FORMS IN SOME CALCAREOUS SOILS AMENDED WITH MUNICIPAL SEWAGE SLUDGE

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RAIESI T.; HOSSEINPUR A.R.

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Journal: Journal of Soil Management and Sustainable Production Year:2016 | Volume:6 | Issue:1 Page(s): 127-144

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Title

THE EFFECT OF WHEAT RHIZOSPHERE ON PHOSPHORUS FORMS IN SOME CALCAREOUS SOILS AMENDED WITH MUNICIPAL SEWAGE SLUDGE

Author(s)

RAIESI T. | HOSSEINPUR A.R. | Issue Writer Certificate

Keywords

BIOLOGICAL PROPERTIESQ2

MINERAL PHOSPHORUSQ1

ORGANIC PHOSPHORUSQ1

SEQUENTIAL EXTRACTIONQ1

Abstract

Background and Objectives: The biological and chemical conditions of the rhizosphere are known to considerably differ from those of the bulk soil, as a consequence of a range of processes that are induced either directly by the activity of plant roots or indirectly by the stimulation of microbial population and activity in the rhizosphere. Information about phosphorus (P) fractionation in the rhizosphere soils amended with municipal sewage sludge (MSS) is limited. Thus, the objectives of this research was to evaluate the rhizospheric effects of wheat (Triticum aestivum L.) on the status of various inorganic P fractions, total organic P and some BIOLOGICAL PROPERTIES in 10 calcareous soils amended with 1% (W/W) municipal sewage sludge from the refinery of Shahrekord city under rhizobox conditions.Materials and Methods: Wheat was planted in completely randomized design with three replications. Eight weeks after germination, plants were harvested, rhizoboxes were dismantled and the rhizosphere and bulk soils were separated. P fractions were determined by modified Olsen and Sommers' sequential fractionation procedure. Also, acid (ACP) phosphatases, available P were measured.Results: The results showed that wheat rhizosphere showed a significant depletion of available P, non-occluded P, occluded P, organic P and residual P fractions and a significant increase of calcium phosphate fraction. Also, the results showed that the activity of acid phosphatas considerably increased in wheat rhizosphere soils when compared to the bulk soils. Simple correlation coefficients showed that plant indices have positive relationship with non-occluded P, occluded P and calcium phosphate fractions in the rhizosphere and bulk soils (p<0.05).Conclusion: The results indicated that in addition to Olsen P (labile-Pi) and non-occluded P, occluded P, calcium phosphate could also act as a short-term source of wheat-available P in the calcareous soils amended with MSS.

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APA: Copy

RAIESI, T., & HOSSEINPUR, A.R.. (2016). THE EFFECT OF WHEAT RHIZOSPHERE ON PHOSPHORUS FORMS IN SOME CALCAREOUS SOILS AMENDED WITH MUNICIPAL SEWAGE SLUDGE. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 6(1), 127-144. SID. https://sid.ir/paper/209868/en

Vancouver: Copy

RAIESI T., HOSSEINPUR A.R.. THE EFFECT OF WHEAT RHIZOSPHERE ON PHOSPHORUS FORMS IN SOME CALCAREOUS SOILS AMENDED WITH MUNICIPAL SEWAGE SLUDGE. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2016;6(1):127-144. Available from: https://sid.ir/paper/209868/en

IEEE: Copy

T. RAIESI, and A.R. HOSSEINPUR, “THE EFFECT OF WHEAT RHIZOSPHERE ON PHOSPHORUS FORMS IN SOME CALCAREOUS SOILS AMENDED WITH MUNICIPAL SEWAGE SLUDGE,” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 6, no. 1, pp. 127–144, 2016, [Online]. Available: https://sid.ir/paper/209868/en

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