A machine for determining root length

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1979 English Publisher:Springer Science and Business Media LLCJournal:Plant and Soil, volume 52, pages 69-76 (issn: 0032-079X, eissn: 1573-5036,

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Authors: D. Richards; F. H. Goubran; W. N. Garwoli; M. W. Daly;

doi: 10.1007/bf02197733

A machine for determining root length

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Abstract

A machine for determining the root length of a sample is described. The machine is basically an opto-electronic scanner. Root segments are cut and placed in water on a glass plate (375×375 mm). The interruption of a light beam moving across the root sample is detected by a photo-diode and the total root length computed. Using this machine a root sample can be measured in less than 3 minutes. Detailed calibration was only conducted up to 50 m although samples as large as several hundred metres can be measured using this machine.

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Melbourne Institute of Technology
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