Abstract
Abstract Ninety-four trees were measured by two crews with six height-measurement methods in a loblolly (Pinus taeda L.) pine plantation. The Suunto clinometer with tape was most precise; however, it was also biased. Two methods using the Christen hypsometer were faster than the three methods based on measured horizontal distance and a method using a vertical pole and a hypsometer. In addition to technique selection, crew selection, training, and supervision were important.
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