Responses of plant rhizosphere to atmospheric CO2 enrichment |
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Authors: | Weihong Lin Fusuo Zhang Kezhi Bai |
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Institution: | (1) Institute of Botany, Chinese Academy of Sciences, 100093 Beijing, China;(2) Department of Plant Nutrition, China Agricultural University, 100094 Beijing, China |
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Abstract: | Plant root growth is generally stimulated under elevated CO2. This will bring more carbon to the below-ground through root death and exudate. This potential increase in below-ground
carbon sink may lead to changes in long-term soil sequestration and relationship between host plants and symbions. On the
other hand, changes in litter components due to the changes in plant chemical composition may also affect soil processes,
such as litter decomposition, soil organic matter sequestration and hetero-nutritional bacteria activities. These issues are
discussed. |
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Keywords: | CO2 enrichment rhizosphere microorganism |
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