The role of biochar porosity and surface functionality in augmenting hydrologic properties of a sandy soil
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- 作者：Waled Sulimana ; James B. Harsha ; Nehal I. Abu-Lailb ; Ann-Marie Fortunac ; Ian Dallmeyerd ; Manuel Garcia-Pé ; rezd ; mgarcia-perez@wsu.edu" class="auth_mail" title="E-mail the corresponding author (Associate Professor)
- 关键词：Oxidized biochar ; Soil water retention ; Quincy sand ; Hydrological properties of biochar
- 刊名：Science of the Total Environment
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：574
- 期：Complete
- 页码：139-147
- 全文大小：894 K
文摘
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Oxidized biochars retain more water than unoxidized ones.
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Air oxidation of biochar is a suitable way to enhance water holding capacity of biochar and its blends with soils.
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There is a positive correlation between total acidic functional groups on the surface of biochar and soil water retention.
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The capability of biochar to retain soil water is a function of the combination of its porosity and surface functionality.