Within plot microclimate and soybean responses 2, 4, and 6 m from tree row to three 26-year-old hardwood intercropping systems and monocropped soybeans.

Across all treatments (control, poplar, maple, walnut), values in each row followed by the same letter are not significantly different (Tukey’s HSD, P<0.05). * Significant at P<0.10 (10%) level. Within plot microclimate and soybean responses 2, 4, and 6 m from tree row to three 26-year-old hardwood intercropping systems and monocropped soybeans.