During 1992-93 and 1993-94 wheat was grown in air at present-day carbon dioxide concentrations and air containing the carbon dioxide concentration level expected by the year 2010.
(1993-94 wheat; was grown; L:in air; at present-day carbon dioxide concentrations and air; T:During 1992-93) (air; containing; the carbon dioxide concentration level expected by the year 2010) (the carbon dioxide concentration level; expected; by the year)
1993-94 wheat air the carbon dioxide concentration level
was grown containing expected
L:in air at present-day carbon dioxide concentrations and air T:During 1992-93
the carbon dioxide concentration level expected by the year 2010
by the year