Journal article
Yield, growth and grain nitrogen response to elevated CO2 of five field pea (Pisum sativum L.) cultivars in a low rainfall environment
M Bourgault, J Brand, M Tausz, GJ Fitzgerald
Field Crops Research | ELSEVIER | Published : 2016
Abstract
Atmospheric CO2 concentrations have been increasing from about 280 ppm to 400 ppm from the pre-industrial era until now. If intraspecific variability in the response to elevated CO2 (e[CO2]) can be found, then it should be possible to select for greater responsiveness in crop breeding programs. Our experiment aimed to determine the effects of e[CO2] on the yield, biomass, leaf and grain nitrogen content of a range of field pea (Pisum sativum L.) cultivars subjected to rainfed and supplemental irrigation conditions. Plants were grown under Free Air CO2 Enrichment (FACE) at the Australian Grains FACE facility in Horsham, Victoria, Australia under e[CO2] (550 ppm) or at ambient CO2 (390–400 ppm..
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Funding Acknowledgements
Research at the Australian Grains Free Air Carbon dioxide Enrichment (AGFACE) facility is jointly run by the Victorian Government and the University of Melbourne and receives substantial additional funding from the Grains Research and Development Corporation (GRDC) and the Australian Commonwealth Department of Agriculture. We wish to acknowledge the crucial contributions of Mahabubur Mollah (AGFACE research engineer), Russel Argall, Peter Howie (senior technical staff), Justine Ellis, Jennifer Briggs, and their field team in running and maintaining the AGFACE facility.