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Fig. 3. Least limiting water range (LLWR) of several forest soils depicts the field capacity (
FC), wilting point (
WP), aeration porosity < 10% (
AP), and soil strength > 2.0 MPa (
SS) limit lines. Points on the graph represent seedlings grown at certain water contents and bulk densities. Dotted lines extrapolate limits beyond maximum soil bulk densities found in this study.
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