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Crops, carbon, climate and the future: grain scientists pitch in

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More than 20 Australian researchers, along with US and European scientists, have spent four years trying to understand what will happen to grain crops if carbon dioxide (CO2) levels rise by 50 per cent over the next 40 years... Six projects make use of Horsham's Australian Grains Free Air CO2 Enrichment (AGFACE) facility, where trial plots of wheat, field peas and canola are grown with the CO2 levels predicted to be in the atmosphere in 2050... We use the information to estimate the effects of different temperatures and rainfall, plus CO2 levels on crop yields...
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