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Fig. 5. Simulated grain yield response to the increased specific leaf area (SLA) trait over normal genotypes for 30 (
) and 90 (
) kg N ha-1 on clay soil at (a) Wongan Hills and (b) Merredin, Western Australia and measured yield response to early-vigor lines (BC2F2–derived lines of cultivar Amery crossed with a high-vigor donor line) for 1997–1999 with low (•) and high (
) N input and the high-vigor cultivar Westonia with high N input (
) (Botwright et al., 2002). Zero change grain yield line is also shown (...).
