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Sortenbedingte Unterschiede der N-Effizienz und Beziehung zum Wurzelwachstums von Weizen (Triticum aestivum L.) unter den Bedingungen des Ökologischen Landbaus

Baresel, J P; Reents, H J and Zimmermann, G (2005) Sortenbedingte Unterschiede der N-Effizienz und Beziehung zum Wurzelwachstums von Weizen (Triticum aestivum L.) unter den Bedingungen des Ökologischen Landbaus. [N-efficiency and root growth of wheat (Triticum aestivum L.) varieties under conditions of organic farming.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

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Summary

N Uptake at EC 32, 62 and 92 was determined in 6 wheat varieties in field trials under conditions of conventional and organic farming over 3 years. Root growth potential was assessed in a separate trial under controlled conditions. Rank of varieties regarding N-uptake was dependent on yield level of the test environments and was mainly due to differences in uptake during grain filling. In one variety high N uptake potential coincided with high root growth in later growth stages.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Weizen, N-Effizienz, Wurzelwachstum, N-Aufnahmen, Weizenzüchtung
Subjects: Crop husbandry > Production systems > Cereals, pulses and oilseeds
Crop husbandry > Breeding, genetics and propagation
Research affiliation: International Conferences > 2005: Scientific Conference on Organic Agriculture
Germany > University of Munich - TUM > Chair of Organic Farming
Deposited By: Reents, Dr. Hans Jürgen
ID Code:3763
Deposited On:05 Mar 2005
Last Modified:12 Apr 2010 07:30
Document Language:German/Deutsch
Status:Published
Refereed:Peer-reviewed and accepted

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