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| Web URL(s): | http://www.tandfonline.com/doi/pdf/10.1080/00103629709369908
Last checked: 10/15/2015
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| Publication Type:
| Report |
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| Author(s): | Schortemeyer, Marcus;
Šantr^Doučková, Hana;
Sadowsky, Michael J. |
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| Author Affiliation: | Schortemeyer: Environmental Biology Group, Researh School of Biological Sciences, The Australian National University, Canberra, Australia; Šantr^Doučková: Institute of Soil Biology Academy of Sciences of the Czech Republic, České Budějovice, Czech Republic; Sadowsky: Department of Soil, Water, and Climate and Department of Microbiology, University of Minnesota, Saint Paul, Minnesota |
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| Title: | Relationship between root length density and soil microorganisms in the rhizospheres of white clover and perennial ryegrass |
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| Source: | Communications in Soil Science and Plant Analysis. Vol. 28, No. 19/20, November 1997, p. 1675-1682. |
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| Publishing Information: | New York, NY: Marcel Dekker |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: Root length; Density; Soil microorganisms; Rhizosphere; Trifolium repens; Lolium perenne; Bacteria; Carbon
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| Abstract/Contents: | "Microbial parameters of rhizosphere soil, such as bacterial numbers or microbial activities, depend on the distance that microbes have to the root surface. In this study we show that the number of bacteria found in rhizosphere soil from white clover is higly correlated with root length density of the rhizosphere soil. In contrast, bacterial numbers, microbial activity (measured as fluorescein diacetate hydrolytic activity), and the amount of extractable carbon (C) in the rhizosphere of perennial ryegrass were independent of the amount of soil recovered from the roots. The missing rhizosphere effect in perennial ryegrass soils can be explained by the high rooting density of ryegrass, whereas the low rooting density of white clover results in gradients of microbial numbers and activities in soils. Results of these studies indicate that it is important to express microbial parameters on root length and soil weight bases, especially for less densely rooted soils." |
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| Language: | English |
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| References: | 17 |
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| Note: | Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Schortemeyer, M., H. Šantručková, and Michael J. Sadowsky. 1997. Relationship between root length density and soil microorganisms in the rhizospheres of white clover and perennial ryegrass. Commun. Soil. Sci. Plant Anal. 28(19/20):p. 1675-1682. |
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| Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/00103629709369908
Last checked: 10/15/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 590 .C54 |
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