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Effect of labile inorganic phosphate status and organic carbon additions on the microbial uptake of phosphorus in soils

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dc.contributor.authorChauhan, B. S., author
dc.contributor.authorStewart, J. W. B., author
dc.contributor.authorPaul, E. A., author
dc.contributor.authorNRC Research Press, publisher
dc.coverage.spatialCanada
dc.date.accessioned2007-01-03T06:17:21Z
dc.date.available2007-01-03T06:17:21Z
dc.date.issued1981-05
dc.descriptionAbstract in English and French.
dc.description.abstractThe effect of labile inorganic phosphate (Pi) status of the soil on the decomposition of added cellulose and on the immobilization, mineralization, and redistribution of native and added P in soils was studied in a greenhouse incubation experiment. Cellulose was added at 765 μg C∙g−1 soil with and without P (9 μg∙g−1 soil) every 30 days under adequate N, H2O, and constant temperature to two soils of different available P status. Lack of P eventually slowed down decomposition of added C, but this effect was partially compensated for by increased mineralization of organic P (Po) forms. Added P was redistributed to both P, (58–69%) and Po (42–31%) forms; higher amounts of Po were found in the soil with the highest Pi status. The correlation between microbial P uptake and solution P values was significant, and microbial C:P ratios ranged from 12:1 under high available P conditions to 45:1 where P was in low supply.
dc.format.mediumborn digital
dc.format.mediumarticles
dc.identifier.bibliographicCitationChauhan, B. S., J. W. B. Stewart, and E. A. Paul, Effect of Labile Inorganic Phosphate Status and Organic Carbon Additions on the Microbial Uptake of Phosphorus in Soils. Canadian Journal of Soil Science 61, no. 2 (May 1981): 373-385. https://dx.doi.org/10.4141/cjss81-041.
dc.identifier.doihttps://dx.doi.org/10.4141/cjss81-041
dc.identifier.urihttp://hdl.handle.net/10217/81277
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relation.ispartofFaculty Publications
dc.rights©1981 NRC Research Press.
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subjectsoil
dc.subjectorganic C
dc.subjectsoil biomass
dc.subjectmicrobial P
dc.subjectlysing
dc.subjectP cycle
dc.titleEffect of labile inorganic phosphate status and organic carbon additions on the microbial uptake of phosphorus in soils
dc.typeText

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