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https://hdl.handle.net/2440/27434
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dc.contributor.author | Nadian, H. | - |
dc.contributor.author | Smith, S. | - |
dc.contributor.author | Alston, A. | - |
dc.contributor.author | Murray, R. | - |
dc.contributor.author | Siebert, B. | - |
dc.date.issued | 1998 | - |
dc.identifier.citation | New Phytologist, 1998; 140(1):155-165 | - |
dc.identifier.issn | 0028-646X | - |
dc.identifier.issn | 1469-8137 | - |
dc.identifier.uri | http://hdl.handle.net/2440/27434 | - |
dc.description.abstract | The ability of four species of vesicular–arbuscular mycorrhizal (VAM) fungi to increase phosphorus uptake and growth of clover plants (Trifolium subterraneum L.) at different levels of soil compaction and P application was studied in a pot experiment. Dry matter in the shoots and roots of clover plants decreased with increasing soil compaction. Colonization by Glomus intraradices Schenck & Smith and Glomus sp. City Beach WUM16 increased plant growth and P uptake up to a bulk density of 1•60 Mg m⁻³, although the response was smaller as soil compaction was increased. Glomus etunicatum Becker & Gerdeman and Glomus mosseae (Nicol. & Gerd.) Gerdemann & Trappe had no effect on the shoot d. wt and P uptake when the bulk density of the soil was ≥1•40 and ≥1•60 Mg m⁻³, respectively. Soil compaction to a bulk density of 1•60 Mg m⁻³ had no effect on the percentage of root length colonized by G. intraradices and Glomus sp. City Beach, but total root length colonized decreased as soil compaction was increased. Decreased P uptake and growth of clover plants colonized by G. intraradices and Glomus sp. City Beach, with increasing soil compaction up to a bulk density of 1•60 Mg m⁻³, was mainly attributed to a significant reduction in total root length colonized and in the hyphal biomass. Soil compaction, which increased bulk density from 1•20 to 1•75 Mg m⁻³, reduced the O₂ content of the soil atmosphere from 0•16 to 0•05 m3 m⁻³. The absence of any observable mycorrhizal growth response to any of the four species of VAM fungi in highly compacted soil (bulk density = 1•75 Mg m⁻³) was attributed to the significant decrease in the O₂ content of the soil atmosphere, change in soil pore size distribution and, presumably, to ethylene production. | - |
dc.language.iso | en | - |
dc.publisher | CAMBRIDGE UNIV PRESS | - |
dc.source.uri | http://www3.interscience.wiley.com/journal/120702064/abstract | - |
dc.subject | Soil compaction | - |
dc.subject | P uptake | - |
dc.subject | Trifolium subterraneum L. | - |
dc.subject | VA mycorrhiza | - |
dc.title | Effects of soil compaction on phosphorus uptake and growth of Trifolium subterraneum colonized by four species of vesicular-arbuscular mycorrhizal fungi | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1046/j.1469-8137.1998.00219.x | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Murray, R. [0000-0003-0108-5803] | - |
Appears in Collections: | Aurora harvest 2 Soil and Land Systems publications |
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