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000016550 0247_ $$2DOI$$a10.1016/j.fcr.2011.09.019
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000016550 084__ $$2WoS$$aAgronomy
000016550 1001_ $$0P:(DE-HGF)0$$aGaiser, T.$$b0
000016550 245__ $$aEvidence of improved water uptake from subsoil by spring wheat following lucerne in a temperate humid climate
000016550 260__ $$aAmsterdam$$bElsevier$$c2012
000016550 300__ $$a56 - 62
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000016550 440_0 $$025184$$aField Crops Research$$v126
000016550 500__ $$aWe are grateful for the provision of soil chemical and physical data by Stefan Patzold and the technical assistance by Johannes Pfeifer, Reiner Lock, Christoph Oberdorster und Maximilian Weigand for installing and maintaining the soil moisture monitoring system. Funding by German Research Foundation within the Research Unit 1320 is gratefully acknowledged.
000016550 520__ $$aDry spells during the summer period affecting water uptake and plant growth in central Europe may occur more frequently in the future due to climate change. Improving the ability of crops to take up water from deeper soil layers is a potential strategy to secure water supply. The objective of this paper is to report on the effect of different preceding fodder crops on root growth and water uptake of spring wheat from the subsoil. Water extraction and root length density during grain filling of spring wheat were observed between anthesis and maturity in six different soil depths (0-15, 15-45, 45-60, 60-75, 75-90 and 90-105 cm) and with four different preceding crops: 1 year of fescue (Fes1Y), 2 years of chicory (Chi2Y), 2 years of lucerne (Luc2Y) and 3 years of chicory (Chi3Y). While there was no difference in total water extraction by wheat in the four crop sequences, water extraction from the deepest layer (90-105 cm) was significantly higher after 2 years of lucerne (Luc2Y). This was consistent with the root length densities measured in the 90-105 layer, which were 82,89 and 112% higher in Luc2Y as compared to Fes1Y, Chi2Y and Chi3Y, respectively. Results suggest that lucerne as preceding crop supports deeper rooting and higher rooting density of following spring wheat enhancing access to water in deeper soil layers in response to prolonged dry spells. Effects facilitating root penetration like improved soil structure and higher nitrogen availability after lucerne are discussed. We conclude that suitable crop rotations with lucerne might be a cost-effective adaptation measure to overcome drought stress. (C) 2011 Elsevier B.V. All rights reserved.
000016550 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
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000016550 65320 $$2Author$$aDry spells
000016550 65320 $$2Author$$aRooting density
000016550 65320 $$2Author$$aWater uptake
000016550 65320 $$2Author$$aWheat
000016550 65320 $$2Author$$aCrop sequence
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000016550 7001_ $$0P:(DE-HGF)0$$aPerkons, U.$$b1
000016550 7001_ $$0P:(DE-HGF)0$$aKüpper, P.M.$$b2
000016550 7001_ $$0P:(DE-HGF)0$$aPuschmann, D.U.$$b3
000016550 7001_ $$0P:(DE-HGF)0$$aPeth, S.$$b4
000016550 7001_ $$0P:(DE-HGF)0$$aKautz, T.$$b5
000016550 7001_ $$0P:(DE-Juel1)140327$$aPfeifer, J.$$b6$$uFZJ
000016550 7001_ $$0P:(DE-HGF)0$$aEwert, F.$$b7
000016550 7001_ $$0P:(DE-HGF)0$$aHorn, R.$$b8
000016550 7001_ $$0P:(DE-HGF)0$$aKöpke, U.$$b9
000016550 773__ $$0PERI:(DE-600)2012484-3$$a10.1016/j.fcr.2011.09.019$$gVol. 126, p. 56 - 62$$p56 - 62$$q126<56 - 62$$tField crops research$$v126$$x0378-4290$$y2012
000016550 8567_ $$uhttp://dx.doi.org/10.1016/j.fcr.2011.09.019
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