J.L. Innes, R.C. Boswell
The aim of this part of the report is to interpret, as far as possible, the results of the 1987 survey of forest health (Bulletin 74) by attempting to establish the cause(s) of the low crown densities and the crown discoloration observed in five of our most important tree species: Sitka spruce, Norway spruce, Scots pine, beech and oak.
190 x 250mm | 56 pages | some colour figures