多组分玻璃肥料在精准农业养分输送中的设计与性能研究

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出版物：所有类型 加载中 下载高分辨率图像下载到 MS-PowerPoint引用此内容：ACS Agric. Sci. Technol. 2025, 5, 2, 142-157 广告

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文章2025 年 1 月 24 日

用于精准农业中养分输送的多组分玻璃肥料的设计与性能

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Cite this: ACS Agric. Sci. Technol. 2025, 5, 2, 142–157 Click to copy citationCitation copied! https://pubs.acs.org/doi/10.1021/acsagscitech.4c00243 https://doi.org/10.1021/acsagscitech.4c00243 Published January 24, 2025

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Abstract

Click to copy section linkSection link copied! High Resolution Image Download MS PowerPoint Slide 玻璃肥料 (GF) 在农业领域具有广阔的应用前景，因为它们可以根据作物需求“构建”，在单一产品中提供所需数量的宏量和微量营养素。 在 GF 的设计中，可以通过考虑土壤 pH 值、灌溉制度和成分来预测作物的不同生长阶段。 在本研究中，多组分氧化物玻璃被配制用于营养 Palisade 草（cv Piatã），用作温室实验中养分释放的模型。GF 组合物包括 P2O5–SiO2–B2O3–CaO–K2O–MgO–MnO2–MoO3–ZnO，将其熔化、冷却成玻璃，并粉碎成直径在 0.85 至 2.0 毫米之间的颗粒。 先前通过浸入去离子水和柠檬酸-柠檬酸钠缓冲溶液中，在 25 °C 的不同 pH 值下浸泡 64 小时，评估了 GF 的溶解度。 使用 X 射线荧光 (XRF)、扫描电子显微镜 (SEM)、差示扫描量热法 (DSC)、红外光谱 (FTIR) 和拉曼光谱分析未溶解的玻璃组分。 使用电感耦合等离子体发射光谱法 (ICP-OES) 分析 Palisade 草的养分释放速率、溶解度和五次连续收获的结果。先前的研究揭示了通过两种溶解机制（离子交换和水解反应）缓慢释放养分。 温室实验展示了养分的逐步释放，并突出了 GF 在通过一次施肥提供持续养分供应方面的效率。 与使用相同 GF 量的可溶性盐进行的实验相比，它始终产生比对照更高的干物质产量 (DMY)。 观察到五次切割的产量，GF 实验的农艺效率大约提高了 70%。 还进行了标准生态毒理学测试。 使用_Allium cepa_ 和 Lactuca sativa 进行测试，对于所采用的各种浓度和尺寸的颗粒，未观察到遗传毒性或植物毒性作用。 这些结果代表了在开发用于延长养分释放和针对精准农业调整的环保型玻璃肥料方面迈出的重要一步。 This publication is licensed under CC-BY 4.0 .

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