**2.4 Selected soil properties**

The average percent sand, pH (1:2 soil:water volume), total carbon, oxalate iron, oxalate aluminum, and exchangeable Ca for A horizon of Immokalee soil were 97.0%, 6.8, 15.2 g kg<sup>−</sup><sup>1</sup> , 234.0 mg kg<sup>−</sup><sup>1</sup> , 280.4 mg kg<sup>−</sup><sup>1</sup> , and 3.6 cmolc kg<sup>−</sup><sup>1</sup> , respectively. The average percent sand, pH (1:2 soil:water volume), total carbon, oxalate iron, oxalate aluminum, and exchangeable Ca for A horizon of Margate soil were 97.5.0%, 8.3, 11.2 g kg<sup>−</sup><sup>1</sup> , 661.1 mg kg<sup>−</sup><sup>1</sup> , 307.3 mg kg<sup>−</sup><sup>1</sup> , and 6.6 cmolc kg<sup>−</sup><sup>1</sup> , respectively. The average percent sand, pH (1:2 soil:water volume), total carbon, oxalate iron, oxalate aluminum, and exchangeable Ca for Bh were 87.5%, 6.8, 39.7 g kg<sup>−</sup><sup>1</sup> , 114.4 mg kg<sup>−</sup><sup>1</sup> , 305.0 mg kg<sup>−</sup><sup>1</sup> , and 5.4 cmolc kg<sup>−</sup><sup>1</sup> , respectively. The average percent sand, pH (1:2 soil:water volume), total carbon, oxalate iron, oxalate aluminum, and exchangeable Ca for Bw were 97.2%, 8.4, 3.9 g kg<sup>−</sup><sup>1</sup> , 149.0 mg kg<sup>−</sup><sup>1</sup> , 89.0 mg kg<sup>−</sup><sup>1</sup> , and 2.0 cmolc kg<sup>−</sup><sup>1</sup> , respectively.
