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Wolverhampton Intellectual Repository and E-Theses > School of Applied Sciences > Research Centre in Applied Sciences  > Plant and Environmental Research Group > Relationship between phosphorus in organic growing media and its uptake by ryegrass

Please use this identifier to cite or link to this item: http://hdl.handle.net/2436/92381
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Title: Relationship between phosphorus in organic growing media and its uptake by ryegrass
Authors: Kelay, Asha
Harris, P. J. C.
Bateman, M. J.
Citation: Communications in Soil Science and Plant Analysis, 41(1) : 98-107
Publisher: Taylor & Francis
Journal: Communications in Soil Science and Plant Analysis
Issue Date: 2010
URI: http://hdl.handle.net/2436/92381
DOI: 10.1080/00103620903360304
Additional Links: http://dx.doi.org/10.1080/00103620903360304
Abstract: The supply of nutrients to plants from organic growing media depends on mineralization as the addition of inorganic nutrients is forbidden in certified organic systems. The objective of this study was to determine the relationship between total phosphorus (P), extractable (Olsen’s) P, organic P, and biomass P in growing media and uptake of P by ryegrass. Three proprietary products were used alone and combined in 1:2 and 2:1 proportions to give nine growing media. Perennial ryegrass (Lolium perenne L. cv. ‘Choice’) was irrigated with a modified Hoagland’s solution minus P, and the shoots were harvested after 28, 56, and 84 days. There was no significant correlation between the amounts of the different forms of P in the growing media and ryegrass dry weight or P concentration in harvested grass. However, total ryegrass P uptake was significantly positively correlated with initial total P and organic P in the growing media.
Type: Article
Language: en
Keywords: Lolium perenne L.
Organic growing media
Phosphorus availability
Ryegrass
ISSN: 00103624
15322416
Appears in Collections: Plant and Environmental Research Group

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