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Mean and s.e. for leaf growth parameters (GDD, °Cd per leaf). (A) Phyllochron, (B) duration of leaf expansion and (C) leaf life span of four axes orders in Coffea arabica, estimated on plants grown under elevated air [CO2] (e[CO2]) and actual [CO2] (a[CO2]), subjected to drip irrigation (IRR) or rainfed conditions (NI) during active and reduced seasonal growth.
