粪肥施用对土壤团聚体的影响-Meta分析
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作者单位:

1.华南农业大学;2.华南农业大学资源环境学院

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S152.4

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国家自然科学基金(4217070510)


A meta-analysis of the responses of manure application to soil aggregate
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South China Agricultural University

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    摘要:

    土壤团聚体作为土壤的基本单元,在一定程度上反映了土壤质量的好坏。粪肥施用为土壤输入大量有机质与养分,能影响土壤团聚体的形成和稳定性,大部分研究主要认为粪肥施用促进土壤团聚体的形成(Marcoaggregate,>0.25mm),但进一步细分是对大团聚体(Large marcoaggregate,>2mm)还是小团聚体(Small marcoaggregate 2-0.25mm)的影响更大,研究存在较大差异。本文使用Meta分析收集了36篇相关文献,共267个团聚体数据,发现施用粪肥能显著增加土壤大团聚体和小团聚体含量,分别增加了95%和17%,同时减少了土壤微团聚体(Microaggregates)和土壤粉粒粘粒(Silt-plus and Clay-size particles)含量,分别减少了14%和20%。本文还从土壤因素、粪肥因素、气候因素三个角度解释变量来分析粪肥对土壤团聚体影响不同的原因,结果发现土壤类型,土壤pH、粪肥种类和年均温度降雨是造成不同研究结果差异的主要原因。

    Abstract:

    Soil aggregates, as the basic unit of soil, to a certain extent reflect the quality of the soil. Manure application can affect the formation and stability of soil aggregates by increasing the amount of organic matter and nutrients in soil. Most studies found that manure application increased the proportion of soil marcoaggregate (>0.25mm). However,there are significant differences among studies of the result that manure application affect large marcoaggregate (>2mm) more or small marcoaggregate (2-0.25mm). We conducted a meta-analysis based on 36 studies with 267 treatments and found that manure application significantly increased the proportion of soil large macroaggregates and small marcoaggregate by 95% and 17%, respectively. At the same time, it reduced the proportion of soil microaggregates and silt-plus and clay-size particles by 14% and 20%, respectively. What’s more, meta-regression analyze found that soil types, soil pH, manure types, annual temperature, and annual rainfall are the main factors affecting the responses of manure application to soil aggregate.

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引用本文

张广立,岑柏霆,龙新宪,刘娅,田政,廖泽伟.粪肥施用对土壤团聚体的影响-Meta分析[J].土壤,2024,56(3):610-622. ZhangGuangLi, CenBaiTing, LongXinXian, LiuYa, TianZheng, LiaoZeWei. A meta-analysis of the responses of manure application to soil aggregate[J]. Soils,2024,56(3):610-622

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历史
  • 收稿日期:2023-04-22
  • 最后修改日期:2023-06-28
  • 录用日期:2023-06-30
  • 在线发布日期: 2024-07-12
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