Report on Forest Research for the Year Ended March 1983Forestry Commission, 1983 |
Other editions - View all
Common terms and phrases
acid alder Alice Holt analysis annosus aphid application Arboricultural areas assessment B.Sc bark beech birch broadleaved trees Broadleaves in Britain Calluna cent clearfelling clones conifers coppice Corsican pine crop damage database deer Dutch elm disease Ecology Edinburgh effect England Conservancy experiments fertiliser Field Surveys flowering foliage Forest Officer Forestry Commission fungus Genetics germination grafts Head of Branch height growth herbicides improved increase infected isolates Japanese larch levels Lodgepole pine M.I.Biol mycorrhizal nitrogen North East England Northern Research Station Norway spruce nursery nutrient pathogenic Pathology Ph.D Picea Pinus contorta plantations planting plots ploughing population produced programme Report response rooting sample Scotland Scotland Conservancy Scots pine seed origins seedlings shelters shoots significant Silviculture Silviculture North sitchensis Sitka spruce soil South species squirrels staff stem survival temperatures tested timber treatment trials TULEY ulmi upland vegetative propagation Wales weed control Westonbirt winter woodland