Forestry 1977 50(2):143-144; doi:10.1093/forestry/50.2.143
© 1977 by Institute of Chartered Foresters
A Pruning Device for Sampling Tree Crowns
D. A. SEABY and
D. A. DICKSON
Plant Pathology and Agriculture and Food Chemistry Research Division Department of Agriculture for N Ireland, Newforge Lane, Belfast 9
A 3·3 m long bamboo pole was fitted with a pruning cutter and spring clips for simultaneously retrieving up to three foliar samples from the crowns of trees.

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