Experiments were conducted in Centre ACER's sugarbush, located at Saint-Norbert-d’Arthabaska in Quebec. The specific study was carried out on a 2 ha area with a 4 % slope and an elevation of about 600 feet in an uniform micro-climate. Prior to the study, a forest inventory was conducted with measurements of tree height, diameter at breast height (DBH), live-crown ratio, crown classification and location in order to select a homogeneous population of trees.
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