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柠檬酸铁和柠檬酸锌纳米颗粒在印度红壤中的淋溶及垂直分布

Leaching and vertical distribution of Fe and Zn citrate nanoparticles in Indian red soil.

作者信息

Venkata Poorna Chandrika Kella Sri, Singh Ankita, Qureshi Abdul Aziz, Gopalan Balaji

机构信息

Department of Chemistry, Birla Institute of Technology and Science (BITS) Pilani, Hyderabad Campus, Jawahar Nagar, Kapra Mandal, Hyderabad, 500078, India.

Crop Production Section, ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad, 500030, India.

出版信息

Heliyon. 2024 Sep 26;10(19):e38546. doi: 10.1016/j.heliyon.2024.e38546. eCollection 2024 Oct 15.

DOI:10.1016/j.heliyon.2024.e38546
PMID:39403472
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11471454/
Abstract

This research aims to address common constraints in the effective utilization of plant nutrients in soil, such as fixation, mobility, leaching, and reactions with soil colloids. To mitigate these issues, Fe and Zn citrate nanoparticles were synthesized and applied as nanochelators in a reconstructed soil profile column. We evaluated the mobility, release, and leaching behaviors of these nanoparticles. Results revealed that, no leaching of Fe and Zn citrate nanoparticles occurred even after a 90-day incubation. The release profiles exhibited a peak at 60 and 90 days for Fe and Zn respectively. In the mobility studies, Fe and Zn availability was highest in the 0-15 cm soil depth. Fe citrate and Zn citrate nanoparticles demonstrated the highest availability at 264.7 mg/kg and 86.26 mg/kg of soil, respectively as compared with commercial samples. The superior performance of Fe and Zn citrate nanoparticles was observed in terms of reduced leaching and improved accessibility, indicating their potential as efficient and environmentally-friendly plant nutrient sources. The study concludes that Fe and Zn citrate nanoparticles are stable nutrient sources that can enhance plant use efficiency with minimal environmental impact.

摘要

本研究旨在解决土壤中植物养分有效利用方面的常见限制因素，如固定、迁移性、淋溶以及与土壤胶体的反应。为缓解这些问题，合成了柠檬酸铁和柠檬酸锌纳米颗粒，并将其作为纳米螯合剂应用于重构的土壤剖面柱中。我们评估了这些纳米颗粒的迁移性、释放和淋溶行为。结果显示，即使经过90天的培养，柠檬酸铁和柠檬酸锌纳米颗粒也未发生淋溶。释放曲线分别在第60天和第90天出现铁和锌的峰值。在迁移性研究中，0-15厘米土壤深度处的铁和锌有效性最高。与商业样品相比，柠檬酸铁和柠檬酸锌纳米颗粒在土壤中分别以264.7毫克/千克和86.26毫克/千克的含量表现出最高的有效性。在减少淋溶和提高可及性方面观察到柠檬酸铁和柠檬酸锌纳米颗粒具有卓越性能，表明它们作为高效且环境友好的植物养分来源的潜力。该研究得出结论，柠檬酸铁和柠檬酸锌纳米颗粒是稳定的养分来源，能够以最小的环境影响提高植物利用效率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/1bbf8732a54d/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/8fbd4168411f/sc1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/16ea5587ad75/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/284f31365a4d/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/26a6a28d3168/gr3a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/1bbf8732a54d/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/8fbd4168411f/sc1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/16ea5587ad75/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/284f31365a4d/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/26a6a28d3168/gr3a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a9/11471454/1bbf8732a54d/gr4.jpg

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