Elevated [CO2] mitigates the effect of surface drought by stimulating root growth to access sub-soil water.

Through stimulation of root growth, increasing atmospheric CO2 concentration ([CO2]) may facilitate access of crops to sub-soil water, which could potentially prolong physiological activity in dryland environments, particularly because crops are more water use efficient under elevated [CO2] (e[CO2])...

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Bibliographic Details
Main Authors: Shihab Uddin, Markus Löw, Shahnaj Parvin, Glenn J Fitzgerald, Sabine Tausz-Posch, Roger Armstrong, Garry O'Leary, Michael Tausz
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2018-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC6002051?pdf=render