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| DOI | 10.1111/1462-2920.16627 |
| Enhancement of soil aggregation and physical properties through fungal amendments under varying moisture conditions | |
| 发表日期 | 2024 |
| ISSN | 1462-2912 |
| EISSN | 1462-2920 |
| 起始页码 | 26 |
| 结束页码 | 5 |
| 卷号 | 26期号:5 |
| 英文摘要 | Soil structure and aggregation are crucial for soil functionality, particularly under drought conditions. Saprobic soil fungi, known for their resilience in low moisture conditions, are recognized for their influence on soil aggregate dynamics. In this study, we explored the potential of fungal amendments to enhance soil aggregation and hydrological properties across different moisture regimes. We used a selection of 29 fungal isolates, recovered from soils treated under drought conditions and varying in colony density and growth rate, for single-strain inoculation into sterilized soil microcosms under either low or high moisture (<=-0.96 and -0.03 MPa, respectively). After 8 weeks, we assessed soil aggregate formation and stability, along with soil properties such as soil water content, water hydrophobicity, sorptivity, total fungal biomass and water potential. Our findings indicate that fungal inoculation altered soil hydrological properties and improved soil aggregation, with effects varying based on the fungal strains and soil moisture levels. We found a positive correlation between fungal biomass and enhanced soil aggregate formation and stabilization, achieved by connecting soil particles via hyphae and modifying soil aggregate sorptivity. The improvement in soil water potential was observed only when the initial moisture level was not critical for fungal activity. Overall, our results highlight the potential of using fungal inoculation to improve the structure of agricultural soil under drought conditions, thereby introducing new possibilities for soil management in the context of climate change. Saprobic fungi play a significant role in maintaining soil structure and exhibit resilience under drought conditions. Despite this, there are limited studies investigating the use of saprobic fungi as soil amendments to enhance soil aggregation and hydrological properties in moisture-deficient environments. In this study, we investigated the impact of inoculating a variety of saprobic fungal strains, isolated from drought-affected soils, on soil formation, aggregation and hydrological properties under simulated drought conditions. Our findings indicate that fungal biomass is the primary contributor to improving soil aggregate dynamics in drought conditions. Additionally, we found that the successful establishment of fungi is dependent on the initial soil moisture and significantly influences the soil water potential post-drought. image |
| 语种 | 英语 |
| WOS研究方向 | Microbiology |
| WOS类目 | Microbiology |
| WOS记录号 | WOS:001217819100001 |
| 来源期刊 | ENVIRONMENTAL MICROBIOLOGY
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/305440 |
| 作者单位 | Utrecht University; Utrecht University; INRAE; Universite de Montpellier; Institut Agro; Montpellier SupAgro; CIRAD; Institut de Recherche pour le Developpement (IRD); University of Gottingen; Vrije Universiteit Amsterdam |
| 推荐引用方式 GB/T 7714 | . Enhancement of soil aggregation and physical properties through fungal amendments under varying moisture conditions[J],2024,26(5). |
| APA | (2024).Enhancement of soil aggregation and physical properties through fungal amendments under varying moisture conditions.ENVIRONMENTAL MICROBIOLOGY,26(5). |
| MLA | "Enhancement of soil aggregation and physical properties through fungal amendments under varying moisture conditions".ENVIRONMENTAL MICROBIOLOGY 26.5(2024). |
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