Plant functional groups, grasses versus forbs, differ in their impact on soil carbon dynamics with nitrogen fertilization
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- 作者：Jin Hua Lia ; lijinhuap@sohu.com" class="auth_mail" title="E-mail the corresponding author ; Ji Zhanga ; Wen Jin Lia ; Dang Hui Xua ; Johannes M.H. Knopsb ; Guo Zhen Dua
- 关键词：Soil organic C ; Soil microbial respiration ; Soil microbial biomass ; C mineralization ; N fertilization ; Grass
- 刊名：European Journal of Soil Biology
- 出版年：2016
- 出版时间：July-August 2016
- 年：2016
- 卷：75
- 期：Complete
- 页码：79-87
- 全文大小：965 K
文摘
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Grasses and forbs differentially affected soil carbon dynamics.
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Nitrogen fertilization combined with microbial inoculation decreased soil organic C and increased microbial biomass C, basal respiration rates and cumulative C mineralization rates for grasses.
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With N fertilization grasses had higher basal respiration rates than forbs.
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Grass biomass and dominance increased with N fertilization and may reduce soil C sequestration.