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Response of wheat growth, grain yield and water use to elevated CO₂ under a Free-Air CO₂ Enrichment (FACE) experiment and modelling in a semi-arid environment.

ABSTRACT: The response of wheat crops to elevated CO₂ (eCO₂ ) was measured and modelled with the Australian Grains Free-Air CO₂ Enrichment experiment, located at Horsham, Australia. Treatments included CO₂ by water, N and temperature. The location represents a semi-arid environment with a seasonal VPD of around 0.5 kPa. Over 3 years, the observed mean biomass at anthesis and grain yield ranged from 4200 to 10 200 kg ha^-1 and 1600 to 3900 kg ha^-1 , respectively, over various sowing times and irrigation regimes. The mean observed response to daytime eCO₂ (from 365 to 550 μmol mol^-1 CO₂ ) was relatively consistent for biomass at stem elongation and at anthesis and LAI at anthesis and grain yield with 21%,

SUBMITTER: O'Leary GJ

PROVIDER: S-EPMC5016785 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Dataset Information

Response of wheat growth, grain yield and water use to elevated CO₂ under a Free-Air CO₂ Enrichment (FACE) experiment and modelling in a semi-arid environment.

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Response of wheat growth, grain yield and water use to elevated CO2 under a Free-Air CO2 Enrichment (FACE) experiment and modelling in a semi-arid environment.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Response of wheat growth, grain yield and water use to elevated CO₂ under a Free-Air CO₂ Enrichment (FACE) experiment and modelling in a semi-arid environment.