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Ion exchange and water uptake of coarse roots of mature Norway spruce trees (Picea abies L. Karst.)

Title data

Lindenmair, Julia ; Matzner, Egbert ; Göttlein, Axel ; Kuhn, Arnd J. ; Schröder, W. H.:
Ion exchange and water uptake of coarse roots of mature Norway spruce trees (Picea abies L. Karst.).
In: Horst, Walter J. (ed.): Plant nutrition : food security and sustainability of agro-ecosystems through basic and applied research. - Dordrecht : Kluwer Acad. Publ. , 2001 . - pp. 568-569 . - (Developments in Plant and Soil Sciences ; 92 )
ISBN 0-7923-7105-4

Abstract in another language

Most rhizosphere studies about water and nutrient uptake of trees have only considered the fine root system. Ourcontribution is focused on the water and nutrient uptake characteristics of a widely ignored soil-plant interface - the coarseroot system. To quantify water and ion uptake by older suberized roots, root chambers for field experiments weredeveloped. These chambers were installed at more than 30 coarse root segments of mature Norway spruce and filled with anutrient solution adapted to field conditions. Changes in nutrient concentration and water volume were recorded for severalweeks. In order to trace ion uptake, experiments using stable isotopes were carried out. All coarse rootsegments took up a significant amount of water, with maximum rates of about 10 times lower than those for active fineroots. In some segments could be detected in the roots xylem, indicating actual uptake of ions into inner root parts.

Further data

Item Type: Article in a book
Refereed: No
Additional notes: BAYCEER7557
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Chair Soil Ecology - Univ.-Prof. Dr. Egbert Matzner
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 13 Aug 2015 06:12
Last Modified: 03 Jun 2016 12:23
URI: https://eref.uni-bayreuth.de/id/eprint/18040