Report on Forest Research, 1992Covering the period to the end of March 1992, the work of the Research Division of the Forestry Commission is summarized Highlights of the year include studies of trees on landfill sites, the impact of insects on tree growth, farm woodland weeds, yields from lowland trees, oak dieback, a new method of prechilling seed, upland silviculture, and the quality of logs of different tree species over time. Work done for the Forestry Commission by other agencies is also mentioned and the appendices provide details on the structure, expenditure, and publications of the Research Division. |
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Plant Production | 1 |
Silviculture North | 9 |
Site Studies South | 16 |
Copyright | |
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abietis Advisory Alice Holt aphid Arboricultural areas assessed B.Sc beech biomass Breeding Population Britain British broadleaved carbon clonal clones conifers Corsican pine damage defoliation density dieback Douglas fir duct Dutch elm disease Ecology effects experiments factors field vole Figure Forest Research Forestry Commission Forestry Commission Research fungus genetic germination Head of Branch height increment herbicides HODGE imazapyr impact increase insect investigated Kielder Forest landfill cap landfill sites larch lodgepole pine lowland measured ment micans Northern Research Station Norway spruce nursery pathogen peat Ph.D Plant Production plots poplar prechill Report Research Information Note root sample Scotland Scots pine seed shoot Silviculture North Sitka spruce soil temperature South species Statistics and Computing survey sweet chestnut sycamore target moisture content testing timber tion treatments tree growth Tree Improvement tree planting upland vegetative propagation vole abundance Wales Water-table weed control windthrow wood yield