The Forester: A Practical Treatise on British Forestry and Arboriculture for Landowners, Land Agents, and Foresters, Volum 2W. Blackwood and Sons, 1905 |
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Side viii
... annual falls · 248 256 9. Different methods of fixing the annual fall by means of- ( 1 ) The woodland area alone— ( 2 ) The yield or cubic contents of the crops ( 3 ) The combination of area and yield— ( 4 ) The pro- portion found to ...
... annual falls · 248 256 9. Different methods of fixing the annual fall by means of- ( 1 ) The woodland area alone— ( 2 ) The yield or cubic contents of the crops ( 3 ) The combination of area and yield— ( 4 ) The pro- portion found to ...
Side 184
... annually , at old branch - holes or on the stem , as large , fleshy or cheese - like , bright sulphur - yellow or reddish - yellow receptacles of different forms , and varying up to over 2 feet long . 2. Polyporus vaporarius is another ...
... annually , at old branch - holes or on the stem , as large , fleshy or cheese - like , bright sulphur - yellow or reddish - yellow receptacles of different forms , and varying up to over 2 feet long . 2. Polyporus vaporarius is another ...
Side 199
... annual falls or clearances , suffer less than equal - aged woods , as the trees have a freer individual space , and therefore greater power of re- sisting wind - pressure , than trees grown in regular annual or periodic falls of equal ...
... annual falls or clearances , suffer less than equal - aged woods , as the trees have a freer individual space , and therefore greater power of re- sisting wind - pressure , than trees grown in regular annual or periodic falls of equal ...
Side 200
... annual falls should be carefully considered when framing the Working - Plan , because it is only thus that a favourable succession of annual crops can be secured giving the maximum of protection against storms . ( 7 ) The fall of mature ...
... annual falls should be carefully considered when framing the Working - Plan , because it is only thus that a favourable succession of annual crops can be secured giving the maximum of protection against storms . ( 7 ) The fall of mature ...
Side 209
... annual falls consisting of casual or sporadic extraction of mature stems here and there are preferable to any more regular method , while natural regeneration is far more suit- able than clear - felling and replantation . In natural ...
... annual falls consisting of casual or sporadic extraction of mature stems here and there are preferable to any more regular method , while natural regeneration is far more suit- able than clear - felling and replantation . In natural ...
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The Forester: A Practical Treatise on British Forestry and ..., Volum 2 John Nisbet Uten tilgangsbegrensning - 1925 |
Vanlige uttrykk og setninger
acre age-classes annual falls annual rings antennæ attacks autumn Average Yield Tables bark basal area Beech beetles Birch branches Britain broad-leaved trees calculated cambium caterpillars cent Cockchafer compartments conidia conifer crops conifers coppice copse cubic contents damage destructive diameter disease Douglas Fir eggs estimated favourable feed felled felling-series foliage forestry forests frost fungi fungus girth ground growing grubs height hibernate highwoods inch long injurious insects kind of tree land Larch large numbers larva larvæ Life-history mature measured method moths mycelium natural regeneration needles normal growing-stock nurseries percentage plants poles Poplar produced protection pupa pupate rate of growth roots rotation saprophytic sapwood scheme of management Scots Pine seedlings shoots Silver Fir soil and situation species spores sporophores spring Spruce stem sylvicultural thinnings timber timber-crops twigs usually weeds whole wind windfall wing-cases winter woodlands working-circle working-plan young plantations
Populære avsnitt
Side 392 - means any land used as arable meadow or pasture ground only, land used for a plantation or a wood or for...
Side 392 - If the land is used only for a plantation or a wood, the value shall be estimated as if the land, instead of being a plantation or a wood, were let and occupied in its natural and unimproved state.
Side 392 - ... such lands and heritages might in their natural state be reasonably expected to let from year to year as pasture or grazing lands...