How the Rhizosphere Chemistry Explains the Effectiveness of Radish (Raphanus sativus L.) in Reclaiming Legacy Phosphorus Compared to Maize (Zea mays L.)
Rattachement africain : Maroc, br, it. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Around 50% of phosphorus (P) applied to tropical soils is not used by plants and becomes part of the legacy P. However, certain cover crops can access this P pool. But how do they extract this P, which form do they extract most? Radish (Raphanus sativus L.) and maize (Zea mays L.) were planted in rhizoboxes and tubes containing a mixture of sand, kaolinite, hematite, and boehmite, the latter and former bearing sorbed phosphate. The structure and composition of the root-substrate interface were determined by scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy (FTIR). Additionally, synchrotron-based microprobe X-ray fluorescence (µXRF) was employed to assess the spatial distribution of Al, Fe, and P. The P speciation in the rhizosphere was evaluated using microprobe X-ray absorption near-edge structure (µXANES). The chemical images revealed that both plants depleted more of the Al-bound P than Fe-bound P, with radish demonstrating a higher efficiency compared to maize. The total P uptake by radish from Al-bound P was 42% higher than that from Fe-bound P. Additionally, radish absorbed 34% to 90% more total P compared to maize, indicating a significant difference between the two crops. The superior capacity exhibited by radish seems to be connected to organic acids and total carbon exudation, with the latter being 2.14-fold more than maize. Radish outperforms maize, extracting greater Al-bound P than Fe-bound P. This insight could support the effective management of soils where P is predominantly bound to Al, enhancing P use efficiency.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- How the Rhizosphere Chemistry Explains the Effectiveness of Radish (Raphanus sativus L.) in Reclaiming Legacy Phosphorus Compared to Maize (Zea mays L.)
- Date Crossref
- 05/02/2026
- Éditeur
- Springer Science and Business Media LLC
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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Université Mohammed VI Polytechnique Maroc (code pays fourni par la source)Université ou école supérieure
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Fertility Medical Group pays non établi dans la noticeÉtablissement de santé
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Sapienza University of Rome Biology and Biotechnology Department “Charles Darwin” pays non établi dans la noticeUniversité ou école supérieure
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Forest Science and Research Institute pays non établi dans la noticeOrganisation à but non lucratif
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University Mohammed VI Polytechnic Global Critical Zone Science Chair Maroc (pays nommé en fin d’affiliation)Université ou école supérieure
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University of São Paulo Laboratory of Nuclear Instrumentation pays non établi dans la noticeUniversité ou école supérieure
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College of Agriculture pays non établi dans la noticeUniversité ou école supérieure
Université Mohammed VI Polytechnique (Maroc), Fertility Medical Group et Biology and Biotechnology Department “Charles Darwin” — Sapienza University of Rome, avec 4 autres affiliations. Pays d’affiliation : Maroc.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.