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Abstract A method for the semiquantitative estimation of charcoal (char) in soils is reported. The technique, performed on the 90% of soil char in the <53 μm fraction. Because of the assumptions used, estimates of char by this approach must be considered to be semiquantitative, but are conservative and provide estimates of the minimum char content of a soil.
Skjernstad et al. (Wed,) studied this question.
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