Effect of pruning season and tool on knot occlusion and stem discolouration in Betula pendula – situation five years after pruning - Niemistö, Pentti; Kilpeläinen, Harri; Heräjärvi, Henrik (Finnish Society of Forest Science, 2019)
Article id 10052
Keywords: healing-over; pruning saw; secateurs; silver birch; stick pruning; discolouration; Betula pendula