Sunday, 18 September 2016

Future drought will offset benefits of higher CO2 on soybean yields


FARM NEWS
Future drought will offset benefits of higher CO2 on soybean yields Champaign IL (SPX) Sep 07, 2016 - An eight-year study of soybeans grown outdoors in a carbon dioxide-rich atmosphere like that expected by 2050 has yielded a new and worrisome finding: Higher atmospheric CO2 concentrations will boost plant growth under ideal growing conditions, but drought - expected to worsen as the climate warms and rainfall patterns change - will outweigh those benefits and cause yield losses much sooner than ... more

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