Show pruning and tree surgery systematic pruning and tree stir gery are very closely closel related tree surgery includes the intelligent krotec tion alon of all mechanical injuries and can calliea ides pruning requires a previous intimate know ledge of the balits hal its of trees su burger on hand requires in addition a knoal anol t dge of the best methods for making can atles air tight and pren pre enting decay dacay the caring for cavities in trees tree must be ur ared aed as thu the only means cf po fife serane bert ng affected specimens and the of mani noble specimens has been at least temporarily assured I 1 through th the efforts of those practicing this kind hind of 1011 |