自行车
环境科学
非生物成分
土壤水分
农业
土壤生物学
生态系统
生物群
植物生长
环境化学
生态学
农学
生物
化学
土壤科学
地理
林业
作者
Daniel Puppe,Danuta Kaczorek,Jörg Schaller
出处
期刊:Elsevier eBooks
[Elsevier]
日期:2022-01-01
卷期号:: 309-324
被引量:2
标识
DOI:10.1016/b978-0-323-91225-9.00006-6
摘要
The role of biota for silicon (Si) cycling in agricultural plant-soil systems has gained much attention in the last decades. Siliceous structures formed by organisms, that is, biogenic silica (BSi), play a key role in (i) linking global Si and carbon cycles and (ii) controlling bioavailability of Si in soils as BSi generally is much more soluble compared to silicate minerals. Si availability in soils is crucial for plant growth, because Si accumulation in plants increases their resistance against abiotic (e.g., drought) and biotic (e.g., fungal infection) stress. Thus, knowledge of biological impacts on Si bioavailability is of special importance for agricultural plant-soil systems. In this chapter, we give a comprehensive overview of the role of various organisms from plants to protists and corresponding BSi pools in Si cycling. Implications for ecosystem functioning and services of agricultural plant-soil systems are discussed and future directions outlined.
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