Fig. 2. The USDA5 texture trajectory system showing 30 map unit groups (MUGs) and number of map units, shaded circles (A), the high and low ranges of soil available water capacity (B), and cation exchange capacity (C) in shaded triangles. cr = coarse-textured soils, fn = fine-textured soils, mecr = medium coarse-textured soils, mocr = moderately coarse-textured soils, mofn = moderately fine-textured soils

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