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Fig. 2. Sample corn test weight responses to N rate: (A) linear response (negative), Hybrid 33J24, Field 1, 2001, Within-Field Location 2; (B) linear response (positive), Hybrid 33G26, Field 1, 2003, Within-Field Location 3; (C) linear with plateau response, Hybrid 33G26, Field 1, 2001, Within-Field Location 13; (D) quadratic response, Hybrid 33J24, Field 1, 2003, Within-Field Location 4; (E) quadratic with plateau response, Hybrid 33G26, Field 1, 2003, Within-Field Location 13; (F) no response, Hybrid 33J24, Field 2, 2003, Within-Field Location 14.
