http://pubs.ext.vt.edu/430/430-456/430-456.html pubs.ext.vt.edu http://pubs.ext.vt.edu/430/430-456/430-456.html A Guide to Successful Pruning A Guide to Successful Pruning A Guide to Successful Pruning http://pubs.ext.vt.edu/430/430-456/430-456.html Guide to Pruning Deciduous Trees pubs.ext.vt.edu http://pubs.ext.vt.edu/430/430-456/430-456.html