{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T09:28:08Z","timestamp":1786958888977,"version":"build-2736575974"},"reference-count":46,"publisher":"MDPI AG","issue":"16","license":[{"start":{"date-parts":[[2026,8,16]],"date-time":"2026-08-16T00:00:00Z","timestamp":1786838400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100008137","name":"Ministry of Natural Resources of the People\u2019s Republic of China","doi-asserted-by":"publisher","award":["ZKKJ202419"],"award-info":[{"award-number":["ZKKJ202419"]}],"id":[{"id":"10.13039\/100008137","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Changchun Municipal Bureau of Science and Technology","award":["2024WX06"],"award-info":[{"award-number":["2024WX06"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Plants"],"abstract":"<jats:p>Background: Rare earth elements (REEs) are present in agricultural ecosystems, but their baseline soil\u2013plant transfer dynamics require systematic understanding. This study investigated the \u2018source-to-sink\u2019 biogeochemical distribution of REEs in soybean under background soil conditions. Methods: We characterized REE concentrations and fractionation patterns in the composite surface soil samples and analyzed two soybean cultivars (\u2018Jiyu 201\u2019 (JY) and \u2018Ping\u2019an 16\u2019 (PA)). A seven-stage sampling scheme (20\u201380 days post-sowing) using whole-plant samples was employed to evaluate temporal concentration dynamics, followed by discrete organ-level analysis at maturity. Results: The composite surface soil samples exhibited a light REE (LREE)-enriched signature with negative cerium (Ce) and europium (Eu) anomalies. While plants consistently mirrored the soil\u2019s negative Eu anomaly, an observable shift toward a positive Ce anomaly was detected in plant tissues during the 45\u201365 days post-sowing window. REE concentrations were markedly higher in roots than in aerial tissues, indicating strong root-associated retention and limited acropetal translocation; however, the root values include both internalized and surface-associated fractions. Acropetal transport was accompanied by preferential LREE enrichment. Final organ-level partitioning was highly genotype-dependent: the indeterminate cultivar PA accumulated higher REEs in beans, whereas the sub-determinate cultivar JY retained them primarily in vegetative stems. Conclusions: Under background soil conditions, REE uptake and partitioning in soybean exhibit dynamic and genotype-dependent patterns. The observed shift in the Ce anomaly presents a notable biogeochemical phenomenon. Establishing these baseline dynamics is vital for evaluating crop elemental homeostasis and utilizing REEs as biogeochemical tracers.<\/jats:p>","DOI":"10.3390\/plants15162485","type":"journal-article","created":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T08:05:41Z","timestamp":1786953941000},"page":"2485","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Dynamics of Rare Earth Element Uptake and Partitioning in Two Soybean Cultivars Under Background Soil Conditions"],"prefix":"10.3390","volume":"15","author":[{"given":"Yaofu","family":"Chen","sequence":"first","affiliation":[{"name":"College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7015-9928","authenticated-orcid":false,"given":"Jilong","family":"Lu","sequence":"additional","affiliation":[{"name":"College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6558-8357","authenticated-orcid":false,"given":"Xinyun","family":"Zhao","sequence":"additional","affiliation":[{"name":"College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peng","family":"Lu","sequence":"additional","affiliation":[{"name":"College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-9149-6938","authenticated-orcid":false,"given":"Jiaxuan","family":"Cui","sequence":"additional","affiliation":[{"name":"College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaiyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiayu","family":"Qu","sequence":"additional","affiliation":[{"name":"College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yaru","family":"Hou","sequence":"additional","affiliation":[{"name":"School of Geomatics and Prospecting Engineering, Jilin Jianzhu University, Changchun 130118, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,8,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"191","DOI":"10.1007\/s11104-005-4888-2","article-title":"Rare earth elements in soil and plant systems\u2014A review","volume":"267","author":"Tyler","year":"2004","journal-title":"Plant Soil"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"118540","DOI":"10.1016\/j.envpol.2021.118540","article-title":"Distribution of rare earth elements (REEs) and their roles in plant growth: A review","volume":"298","author":"Tao","year":"2022","journal-title":"Environ. 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