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Conditions Leading to High CO2 (>5 kPa) in Waterlogged–Flooded Soils and Possible Effects on Root Growth and Metabolism
Author(s) -
Hank Greenway,
W. Armstrong,
Timothy D. Colmer
Publication year - 2006
Publication title -
annals of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.567
H-Index - 176
eISSN - 1095-8290
pISSN - 0305-7364
DOI - 10.1093/aob/mcl076
Subject(s) - waterlogging (archaeology) , aerenchyma , soil water , carbon dioxide , shoot , rhizome , rhizosphere , biology , plant stem , atmosphere (unit) , soil gas , agronomy , horticulture , soil science , botany , environmental science , wetland , ecology , genetics , bacteria , physics , thermodynamics
Soil waterlogging impedes gas exchange with the atmosphere, resulting in low P(O2) and often high P(CO2). Conditions conducive to development of high P(CO2) (5-70 kPa) during soil waterlogging and flooding are discussed. The scant information on responses of roots to high P(CO2) in terms of growth and metabolism is reviewed.

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