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 xiv
... year - old Pine - shoot , showing the bladder - like sporophores of Peridermium ... Falls 192. Dragging - distance from interior of a square compartment 193 ... annual in- crement 321 208. Method of estimating the past increment from the ...
... year - old Pine - shoot , showing the bladder - like sporophores of Peridermium ... Falls 192. Dragging - distance from interior of a square compartment 193 ... annual in- crement 321 208. Method of estimating the past increment from the ...
Side 72
... annual , but sometimes extending over one and a half and two years . The Scolytide are small insects , more or less ... falls , damaged and sickly trees , those broken or injured by wind , snow , or ice , falls of timber and their stumps ...
... annual , but sometimes extending over one and a half and two years . The Scolytide are small insects , more or less ... falls , damaged and sickly trees , those broken or injured by wind , snow , or ice , falls of timber and their stumps ...
Side 73
... average only from eight to ten weeks . It varies , however , not only for ... annual generation under less favourable circumstances . When stems lying on ... falls of timber should be removed as soon as possible ; the stumps of such ...
... average only from eight to ten weeks . It varies , however , not only for ... annual generation under less favourable circumstances . When stems lying on ... falls of timber should be removed as soon as possible ; the stumps of such ...
Side 84
... falls until the stumps and roots have become too dry to serve as breeding - places , are the best , and indeed the ... annual . On the Continent there are often two broods in the year , or else three generations require two years for ...
... falls until the stumps and roots have become too dry to serve as breeding - places , are the best , and indeed the ... annual . On the Continent there are often two broods in the year , or else three generations require two years for ...
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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...