Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil

In a greenhouse experiment, Medicago sativa was grown in iron-rich soil inoculated with arbuscular mycorrhizal fungi (Funelliformis mosseae, FM) and/or iron (Fe) -reducing bacteria (IRB, Klebsiella pneumoniae strain L17) with three exogenous labile C input forms (no C source, as a single dose, and a...

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Autores principales:	Ding,X, Zhang,S, Wang,R, Liao,X, Li,S
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2014
Materias:	Mycorrhizal plants Iron-reducing bacteria (IRB) Labile C input forms Fe-P Microbial biomass C/P (MBC/P)
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162014000400004
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spelling	oai:scielo:S0718-951620140004000042015-01-20Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soilDing,XZhang,SWang,RLiao,XLi,S Mycorrhizal plants Iron-reducing bacteria (IRB) Labile C input forms Fe-P Microbial biomass C/P (MBC/P) In a greenhouse experiment, Medicago sativa was grown in iron-rich soil inoculated with arbuscular mycorrhizal fungi (Funelliformis mosseae, FM) and/or iron (Fe) -reducing bacteria (IRB, Klebsiella pneumoniae strain L17) with three exogenous labile C input forms (no C source, as a single dose, and as a pulse) at rates of P0 and P5 (0 and 5 mg P2O5 kg-1, KH2PO4), which is to understand the role of IRB in enhancing the Fe-P utilization with exogenous labile C in subtropical soil. The results showed when inoculated with IRB, labile C as a pulsed input significantly improved the mycorrhiza colonization and hyphal length density, and increased the shoot P content, microbial biomass C and glomalin content at P5 rate; meanwhile, the labile C input also promoted the Fe (II) production, when inoculated with IRB, labile C as a pulsed input increased the C/A extractable Fe (II), oxalate-extractable P and microbial biomass P content. These facts suggested that application of labile C as a pulsed input enhanced the ability of IRB in improving the Fe reduction and Fe-P utilization in subtropical soil.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.14 n.4 20142014-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162014000400004en10.4067/S0718-95162014005000064
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Mycorrhizal plants Iron-reducing bacteria (IRB) Labile C input forms Fe-P Microbial biomass C/P (MBC/P)
spellingShingle	Mycorrhizal plants Iron-reducing bacteria (IRB) Labile C input forms Fe-P Microbial biomass C/P (MBC/P) Ding,X Zhang,S Wang,R Liao,X Li,S Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil
description	In a greenhouse experiment, Medicago sativa was grown in iron-rich soil inoculated with arbuscular mycorrhizal fungi (Funelliformis mosseae, FM) and/or iron (Fe) -reducing bacteria (IRB, Klebsiella pneumoniae strain L17) with three exogenous labile C input forms (no C source, as a single dose, and as a pulse) at rates of P0 and P5 (0 and 5 mg P2O5 kg-1, KH2PO4), which is to understand the role of IRB in enhancing the Fe-P utilization with exogenous labile C in subtropical soil. The results showed when inoculated with IRB, labile C as a pulsed input significantly improved the mycorrhiza colonization and hyphal length density, and increased the shoot P content, microbial biomass C and glomalin content at P5 rate; meanwhile, the labile C input also promoted the Fe (II) production, when inoculated with IRB, labile C as a pulsed input increased the C/A extractable Fe (II), oxalate-extractable P and microbial biomass P content. These facts suggested that application of labile C as a pulsed input enhanced the ability of IRB in improving the Fe reduction and Fe-P utilization in subtropical soil.
author	Ding,X Zhang,S Wang,R Liao,X Li,S
author_facet	Ding,X Zhang,S Wang,R Liao,X Li,S
author_sort	Ding,X
title	Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil
title_short	Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil
title_full	Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil
title_fullStr	Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil
title_full_unstemmed	Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil
title_sort	exogenous labile c application enhances fe-p utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil
publisher	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162014000400004
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Exogenous labile C application enhances Fe-P utilization for mycorrhizal plants through iron-reducing bacteria in subtropical soil

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