Improving crop growth and water use efficiency – by raising carbon dioxide levels

  • 57 pages

  • Published: 1 Mar 1999

  • Author(s): Masle, Josette, et al

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This study demonstrates that:
• water-use efficiency varies among tree crop species,
• that it will be enhanced by increased levels of atmospheric carbon dioxide concentration. This will have profound effects on Australian agriculture, where water is so often limiting, and
• that there are prospects for analysing the underlying genetic control of water-use efficiency.
• Oxygen isotope composition of organic matter may be a valuable tool for assessing yield potential.