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I have the touch – evidence for considerable N transfer from peas to oats by rhizodeposition.

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Title: I have the touch – evidence for considerable N transfer from peas to oats by rhizodeposition.
Authors: Hupe, Anke1,2 (AUTHOR), Naether, Franziska2 (AUTHOR), Haase, Thorsten2,3 (AUTHOR), Bruns, Christian2 (AUTHOR), Heß, Jürgen2 (AUTHOR), Dyckmans, Jens4 (AUTHOR), Joergensen, Rainer Georg1 (AUTHOR) joerge@uni-kassel.de, Wichern, Florian5 (AUTHOR)
Source: Plant & Soil. Apr2025, Vol. 509 Issue 1, p987-998. 12p.
Subjects: Catch crops, Root formation, Field research, Intercropping, Biomass, Cotton, Oats, Peas
Abstract: Aims: The current study quantified the carbon (C) and nitrogen (N) transfer from peas to oats under field conditions to assess the effects of intercropping. The data obtained were compared with previously published pot and field experiments. Methods: Pea (Pisum sativum L. cv. Santana) and oat (Avena sativa L. cv Dominik) plants were grown as intercrops for 105 days. Pea plants were labelled with a solution of 2% 13C glucose (99 atom%) and 0.5% 15N urea (95 atom%), using the cotton wick technique. Results: Pea rhizodeposits reached 540 kg C ha−1 and 17 kg N ha−1. CdfR (C derived from rhizodeposition) and NdfR corresponded to a proportion of 18.2 and 12.7%, respectively, of total pea biomass C and N. In the intercropped oat plants, only 0.6% of the total pea CdfR amount was found, but nearly 30% of the total pea NdfR amount. Conclusions: CdfR and NdfR as proportion of total pea biomass C and N, respectively, were 2.5 times higher in peas intercropped with oat plants than in sole-cropped pea plants, comparing the current results with those from previously published pot and field experiments. Future studies on intercropping should consider root formation and rhizodeposition more often. [ABSTRACT FROM AUTHOR]
Copyright of Plant & Soil is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: I have the touch – evidence for considerable N transfer from peas to oats by rhizodeposition.
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  Data: <searchLink fieldCode="JN" term="%22Plant+%26+Soil%22">Plant & Soil</searchLink>. Apr2025, Vol. 509 Issue 1, p987-998. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Catch+crops%22">Catch crops</searchLink><br /><searchLink fieldCode="DE" term="%22Root+formation%22">Root formation</searchLink><br /><searchLink fieldCode="DE" term="%22Field+research%22">Field research</searchLink><br /><searchLink fieldCode="DE" term="%22Intercropping%22">Intercropping</searchLink><br /><searchLink fieldCode="DE" term="%22Biomass%22">Biomass</searchLink><br /><searchLink fieldCode="DE" term="%22Cotton%22">Cotton</searchLink><br /><searchLink fieldCode="DE" term="%22Oats%22">Oats</searchLink><br /><searchLink fieldCode="DE" term="%22Peas%22">Peas</searchLink>
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  Data: Aims: The current study quantified the carbon (C) and nitrogen (N) transfer from peas to oats under field conditions to assess the effects of intercropping. The data obtained were compared with previously published pot and field experiments. Methods: Pea (Pisum sativum L. cv. Santana) and oat (Avena sativa L. cv Dominik) plants were grown as intercrops for 105 days. Pea plants were labelled with a solution of 2% 13C glucose (99 atom%) and 0.5% 15N urea (95 atom%), using the cotton wick technique. Results: Pea rhizodeposits reached 540 kg C ha−1 and 17 kg N ha−1. CdfR (C derived from rhizodeposition) and NdfR corresponded to a proportion of 18.2 and 12.7%, respectively, of total pea biomass C and N. In the intercropped oat plants, only 0.6% of the total pea CdfR amount was found, but nearly 30% of the total pea NdfR amount. Conclusions: CdfR and NdfR as proportion of total pea biomass C and N, respectively, were 2.5 times higher in peas intercropped with oat plants than in sole-cropped pea plants, comparing the current results with those from previously published pot and field experiments. Future studies on intercropping should consider root formation and rhizodeposition more often. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Plant & Soil is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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        PageCount: 12
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        Type: general
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      – SubjectFull: Field research
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      – SubjectFull: Biomass
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      – SubjectFull: Cotton
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      – SubjectFull: Oats
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      – SubjectFull: Peas
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              Text: Apr2025
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