Growth of beach-adapted plants in recycled glass sand compared to natural beach sand

IF 3.9 2区农林科学 Q1 AGRONOMY

Plant and Soil Pub Date : 2025-05-03 DOI:10.1007/s11104-025-07479-3

Paul Richardson, Peyton Goings, Bek Markel, Jacob Dixon, Shehbaz Ahmad, Julie Albert, Leah Michaeloff, Keith Clay

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引用次数: 0

Abstract

Aims

The goal of this study was to explore the suitability of recycled glass sand for the growth of beach-adapted plant species given the potential environmental benefits of utilizing glass sand for beach and dune restoration in the face of dwindling natural sand resources.

Methods

We grew three species native to US Gulf of Mexico beaches (Ipomoea imperati (Vahl) Griseb., I. pes-caprae (L.) R.Br., and Uniola paniculata (L.)) in three greenhouse experiments in glass sand, beach sand, or mixtures. First, we investigated nutrient and microbial effects by growing each species in pure glass sand, beach sand, and 80%/20% mixtures of glass sand/beach sand. Second, we compared U. paniculata growth in glass sand mixed with 100%, 75%, 50%, 25%, or 0% beach sand. These experiments included fertilizer and microbial sterilization treatments. Third, we investigated soil permeability effects by comparing growth of all species using different grain sizes of glass sand.

Results

Overall, plants produced significantly more biomass in beach sand than in glass sand, and the effect was more pronounced with the fertilizer treatment. There were significant effects of substrate mixtures and interactions with fertilizer treatments on Uniola biomass. Further, when glass sand grain sizes were manipulated, plant biomass was equal or higher in the coarsest glass sand compared to beach sand.

Conclusions

Our results demonstrate that beach-adapted plants can grow in glass sand and suggest that recycled glass sand is a potential resource for ecological restoration with incorporation of soil amendments such as fertilizer and utilization of selected grain sizes.

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与天然沙滩沙相比，再生玻璃沙中适应海滩的植物的生长

本研究的目的是探讨再生玻璃砂对海滩适应植物物种生长的适宜性，考虑到在天然砂资源日益减少的情况下利用玻璃砂进行海滩和沙丘恢复的潜在环境效益。方法采用三种原产于美国墨西哥湾海滩的物种（Ipomoea imperati (Vahl) Griseb）。， I.蠓（L.）R.Br。在玻璃砂、沙滩砂或混合物中进行了三个温室实验。首先，我们通过在纯玻璃砂、沙滩砂和80%/20%的玻璃砂/沙滩砂混合物中培养每种物种来研究营养和微生物效应。其次，我们比较了玻璃砂与100%，75%,50%，25%或0%的沙滩砂混合的U. paniculata生长情况。这些试验包括施肥和微生物灭菌处理。第三，通过比较不同粒径玻璃砂对土壤渗透性的影响。结果总体而言，滩涂砂植物生物量显著高于玻璃砂，且施肥效果更明显。基质混合及与肥料处理的交互作用对Uniola生物量有显著影响。此外，当玻璃砂粒度被控制时，与海滩砂相比，最粗糙的玻璃砂中的植物生物量相等或更高。结论在玻璃砂中可以生长适应滩地的植物，在土壤改良剂（如肥料）的配合和粒度的合理利用下，再生玻璃砂是一种潜在的生态修复资源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Plant and Soil 农林科学-农艺学

CiteScore

8.20

自引率

8.20%

发文量

543

审稿时长

2.5 months

期刊介绍： Plant and Soil publishes original papers and review articles exploring the interface of plant biology and soil sciences, and that enhance our mechanistic understanding of plant-soil interactions. We focus on the interface of plant biology and soil sciences, and seek those manuscripts with a strong mechanistic component which develop and test hypotheses aimed at understanding underlying mechanisms of plant-soil interactions. Manuscripts can include both fundamental and applied aspects of mineral nutrition, plant water relations, symbiotic and pathogenic plant-microbe interactions, root anatomy and morphology, soil biology, ecology, agrochemistry and agrophysics, as long as they are hypothesis-driven and enhance our mechanistic understanding. Articles including a major molecular or modelling component also fall within the scope of the journal. All contributions appear in the English language, with consistent spelling, using either American or British English.