Report on Forest ResearchH.M. Stationery Office, 1981 - Forests and forestry |
Other editions - View all
Common terms and phrases
acid Alice Holt analysis aphid application Arboricultural areas assessment B.Sc bark beech beetle Britain broadleaved cent clones conifers coppice Corsican pine crop cuttings damage database deer diameter Douglas fir Dutch elm disease effect England Conservancy Entomology established experiments fertiliser Field Surveys foliage Forest Officer Forest Research Forestry Commission fungus genetic germination glyphosate grafts Head of Branch height growth herbicides improved increased infection investigated IUFRO larch Lodgepole pine M.I.For methods nitrogen North East England Northern Research Station Norway spruce nursery nutrient pathogenicity Ph.D plantations planting plots population production programme Report root sample Scientific Officer Scotland Scotland Conservancy Scots pine seed origins seedlings shelters shoots showed significant Silviculture Silviculture North Sitka spruce soil South species squirrels staff stem survival temperature tested thinning treatment trees trials ulmi upland Vegetative propagation Wales weed control West Scotland Westonbirt Westonbirt Arboretum wood woodland