Effects of soil properties on phosphorus fractions in subtropical soils of Iran

The distribution of inorganic P fractions and their relationships with soil properties was studied in 17 slightly acidic to slightly alkaline soils (pH range 5.37 to 7.61). The soils were selected from agricultural fields of the north of Iran. Inorganic P fractionation included successive extraction...

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Autores principales: Adhami,E, Owliaie,H.R, Molavi,R, Rezaei Rashti,M, Esfandbod,M
Lenguaje:English
Publicado: Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2013
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pH
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162013000100002
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spelling oai:scielo:S0718-951620130001000022014-09-16Effects of soil properties on phosphorus fractions in subtropical soils of IranAdhami,EOwliaie,H.RMolavi,RRezaei Rashti,MEsfandbod,M Inorganic phosphorus fractions agricultural fields pH The distribution of inorganic P fractions and their relationships with soil properties was studied in 17 slightly acidic to slightly alkaline soils (pH range 5.37 to 7.61). The soils were selected from agricultural fields of the north of Iran. Inorganic P fractionation included successive extraction with NaOH (NaOH-P), citrate-bicarbonate (CB-P), citrate two times (C1- and C2-P), Citrate-ascorbate (CAs-P), citrate-dithionite-bicarbonate (CBD-P), sodium-acetate buffer (NaOAc-P) and HCl (HCl-P). Results showed that the abundance of P fractions was in the order NaOH-P (35.67 mg kg-1) , NaOAc-P (39 mg kg-1), C2-P (49 mg kg-1), CBD-P (102 mg kg-1), CB-P (136 mg kg-1), CAs-P (156 mg kg-1), C1-P (197 mg kg-1), HCl-P (417 mg kg-1). Among soil properties, pH had almost a linear negative relationship with NaOH-P and a linear positive relationship with HCl-P; in addition, it significantly affected C1-P, CAs-P and NaOAc-P. Oxalate extractable Fe showed a significant positive correlation with NaOH-P and CAs-P, while calcium carbonate equivalent (CCE) had a significant positive correlation with NaOAc-P and HCl-P.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.13 n.1 20132013-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162013000100002en10.4067/S0718-95162013005000002
institution Scielo Chile
collection Scielo Chile
language English
topic Inorganic phosphorus fractions
agricultural fields
pH
spellingShingle Inorganic phosphorus fractions
agricultural fields
pH
Adhami,E
Owliaie,H.R
Molavi,R
Rezaei Rashti,M
Esfandbod,M
Effects of soil properties on phosphorus fractions in subtropical soils of Iran
description The distribution of inorganic P fractions and their relationships with soil properties was studied in 17 slightly acidic to slightly alkaline soils (pH range 5.37 to 7.61). The soils were selected from agricultural fields of the north of Iran. Inorganic P fractionation included successive extraction with NaOH (NaOH-P), citrate-bicarbonate (CB-P), citrate two times (C1- and C2-P), Citrate-ascorbate (CAs-P), citrate-dithionite-bicarbonate (CBD-P), sodium-acetate buffer (NaOAc-P) and HCl (HCl-P). Results showed that the abundance of P fractions was in the order NaOH-P (35.67 mg kg-1) , NaOAc-P (39 mg kg-1), C2-P (49 mg kg-1), CBD-P (102 mg kg-1), CB-P (136 mg kg-1), CAs-P (156 mg kg-1), C1-P (197 mg kg-1), HCl-P (417 mg kg-1). Among soil properties, pH had almost a linear negative relationship with NaOH-P and a linear positive relationship with HCl-P; in addition, it significantly affected C1-P, CAs-P and NaOAc-P. Oxalate extractable Fe showed a significant positive correlation with NaOH-P and CAs-P, while calcium carbonate equivalent (CCE) had a significant positive correlation with NaOAc-P and HCl-P.
author Adhami,E
Owliaie,H.R
Molavi,R
Rezaei Rashti,M
Esfandbod,M
author_facet Adhami,E
Owliaie,H.R
Molavi,R
Rezaei Rashti,M
Esfandbod,M
author_sort Adhami,E
title Effects of soil properties on phosphorus fractions in subtropical soils of Iran
title_short Effects of soil properties on phosphorus fractions in subtropical soils of Iran
title_full Effects of soil properties on phosphorus fractions in subtropical soils of Iran
title_fullStr Effects of soil properties on phosphorus fractions in subtropical soils of Iran
title_full_unstemmed Effects of soil properties on phosphorus fractions in subtropical soils of Iran
title_sort effects of soil properties on phosphorus fractions in subtropical soils of iran
publisher Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate 2013
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162013000100002
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AT owliaiehr effectsofsoilpropertiesonphosphorusfractionsinsubtropicalsoilsofiran
AT molavir effectsofsoilpropertiesonphosphorusfractionsinsubtropicalsoilsofiran
AT rezaeirashtim effectsofsoilpropertiesonphosphorusfractionsinsubtropicalsoilsofiran
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