Fig. 3. Simulated (a and b) daily leaf area index (LAI) and water stress and (c and d) aboveground biomass, grain yield, and N stress for (a and c) 30 kg N ha^-1 and (b and d) 150 kg N ha^-1 and (e) measured rainfall for Wongan Hills, Western Australia, on a sandy soil in 1968. Normal specific leaf area (SLA) is indicated by _{_______} and increased SLA by _{__ __ __ __}.

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