Fig. 3. Relationship between maize grain yield and rainfall from 30 d before to 20 d after flowering (W₄). (A) Data from Marcos Juarez with the baseline function derived from Exp. [1]. (B) Combined data from deep soils at Tandil (•) and Marcos Juarez () expressed as a fraction of the maximum. Parameters of the fitted curves are (A) a = 11781 ± 439, W₀ = 39.1 ± 74.5, and b = 43.4 ± 53.2 (P < 0.001) and (B) a = 0.91 ± 0.01, W₀ = 46.6 ± 5.9, and b = 39.8 ± 5.2 (P < 0.001).

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