Bulletin, Issues 19-25 |
Contents
INTRODUCTION | 1 |
Key to the Chief Poplars Grown in Great | 9 |
PAGE | 22 |
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Common terms and phrases
acid appear beech beechwoods Britain brown forest soils Broxa calcareous Calluna canker canopy cellulose chalk colour complex conifers contorta pine Corsican pine crop decomposition deep depth descending roots drains drift European larch experiments factors favourable flocculent Forestry Commission formation frost furrow girth ground flora growing growth of beech heath height growth hoppus feet horizon humus hybrids inches Inchnacardoch Japanese larch Kielder lateral roots layer leaf extracts lignin limestone litter extract loam Lodgepole pine Lon Mor method mixture Molinia mull and mor nitrogen Norway spruce occur organic matter peat phosphate Photo Pinus plantations plots ploughing podzol poplar precipitate protein reaction recorded regeneration regression rendzina root system sample sand Scirpus Scots pine seedlings shallow shelter shoots Sitka spruce Slope species stand subsoil surface thinning trees trial turf planting vegetation volume table wind wood woodland