Report on Forest ResearchH.M. Stationery Office, 1993 - Forests and forestry |
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airflow Alice Holt areas assessment B.Sc beetle Biology biomass BRASIER Britain broadleaved cerato-ulmin clones Commission Research Office cone conifer conservation coppice Corsican pine damage dieback Douglas fir Dutch elm disease Ecology Edinburgh effect Entomology established European experiment factors farm Figure Forest District Forest Enterprise Forest Officer Forest Research Forestry Commission Forestry Commission Bulletin Forestry Commission Research fungus genetic germination grey Head of Branch height herbicides HMSO hopper imazapyr increase Japanese larch lignin lodgepole pine logs London M.Sc ment natural regeneration Northern Research Station novo-ulmi nursery Ph.D pinewoods poplar potential predicting pretreatment progeny tests red squirrels Redfern Research Division Research Information Note root sample plots Scientific Officer Scots pine Scottish Natural Heritage seedlings Silv Silviculture North Sitka spruce sludge South Statistics and Computing survey Talybont-on-Usk timber tion treatments tree age tree growth Tree Improvement treeshelters vegetation windspeeds wood woodland