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Published on: September 1, 2020
Multiyear Soil-Fruit Transfer Dynamics of Macro- and Trace Elements in Raspberry (Rubus idaeus L.) Under Field
Ionela Ramona Zgavarogea1, Nadia Paun1, Claudia Sandru1
1National Research and Development Institute for Cryogenic and Isotopic Technologies-ICSI Ramnicu Vâlcea, 4th Uzinei Street, P.O. Box Raureni 7, 240050 Ramnicu Valcea, Romania.
Raspberry element uptake varies by soil conditions and plant needs. Potassium transfers easily, while calcium is limited, and trace elements like lithium and strontium accumulate minimally, impacting food safety and quality.
Area of Science:
- Agricultural Science
- Environmental Science
- Plant Physiology
Background:
- Understanding soil-plant element transfer is vital for crop nutrition, food safety, and environmental impact assessment.
- Raspberry (Rubus idaeus L.) element accumulation dynamics require field-based, multiyear investigation.
Purpose of the Study:
- To assess multiyear, multielement soil-to-fruit transfer in raspberry under diverse agroecosystems.
- To evaluate the influence of fertilization, cultivar type, and environmental variability on element uptake and translocation.
Main Methods:
- Field study over two growing seasons (2024-2025) in contrasting Romanian agroecosystems.
- Analysis of essential macroelements (Ca, Mg, Na, K) and trace elements (Li, Sr) in soil and raspberry fruits.
- Quantification of soil-fruit transfer factor using ICP-OES, AAS, and advanced statistical analysis accounting for spatial-temporal variability.
Main Results:
- Essential macroelements showed dynamic uptake influenced by physiological demand and soil availability; Potassium (K) had high transfer, Calcium (Ca) translocation was restricted.
- Lithium (Li) and Strontium (Sr) accumulation was limited, showing low responsiveness to fertilization and dependence on soil geochemistry.
- Spatial variability and interannual dilution were dominant drivers of transfer efficiency, with varietal differences playing a secondary role, notably in Ca-Sr discrimination.
Conclusions:
- Raspberry multielement accumulation results from an interplay of soil geochemistry, plant transport limitations, and environmental variability.
- Findings support optimized soil management and cultivar selection for enhancing nutritional quality and minimizing trace element risks in raspberries.
- This multiyear, field-based research provides crucial evidence for sustainable agricultural practices in berry production.
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