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Figure 3


Fig. 3. Spatial distribution of economically optimum N rate (EONR), N treatment strips, and Order 1 soil survey (USDA-NRCS) in Field 1: (A) Hybrid 33G26, 2001; (B) Hybrid 33J24, 2001; (C) Hybrid 33G26, 2003; and (D) Hybrid 33J24, 2003.