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Create DateJuly 10, 2014
Last UpdatedOctober 22, 2014
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This article was written by Dr. Glynn Percival (Bartlett Tree Research Laboratories) and Simon Holmes (Tree Surveys) based on data provided at the 47th Arboricultural Association Conference, Exeter in September 2013. It deals with questions on placement of leafclips and the best time of day to carry out fluorescence measurements.