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
... yield or cubic contents of the crops ( 3 ) The combination of area and yield— ( 4 ) The pro- portion found to exist between the actual and the normal increment and growing - stock in the woods CHAPTER II . THE MEASUREMENT OF TIMBER ...
... yield or cubic contents of the crops ( 3 ) The combination of area and yield— ( 4 ) The pro- portion found to exist between the actual and the normal increment and growing - stock in the woods CHAPTER II . THE MEASUREMENT OF TIMBER ...
Side 222
... yield of timber , & c . , or of intermediate returns in the shape of thinnings - often very remunerative in themselves - rendered necessary for the proper tending of the still immature woods , so that the trees which will form the ...
... yield of timber , & c . , or of intermediate returns in the shape of thinnings - often very remunerative in themselves - rendered necessary for the proper tending of the still immature woods , so that the trees which will form the ...
Side 223
... yield is impossible . 2. Essential requisites for the " normal condition " of the Growing- Stock or Capital in Wood . - The main object of management on business principles is to bring the woodland area into a condition enabling it to yield ...
... yield is impossible . 2. Essential requisites for the " normal condition " of the Growing- Stock or Capital in Wood . - The main object of management on business principles is to bring the woodland area into a condition enabling it to yield ...
Side 224
... yield a regularly sustained annual yield has certain obvious advantages and drawbacks . By offering regular annual supplies for sale it affords the best opportunity for securing , utilising , and maintaining the local market ; the ...
... yield a regularly sustained annual yield has certain obvious advantages and drawbacks . By offering regular annual supplies for sale it affords the best opportunity for securing , utilising , and maintaining the local market ; the ...
Side 228
... yield tables by taking the average yield of the crop in successive periods of 10 , 20 , or 30 years , and summarising these . Examples . - Assuming that Scots Pine crops on very good soil would measure 1180 cb . ft . at 20 years , 3410 ...
... yield tables by taking the average yield of the crop in successive periods of 10 , 20 , or 30 years , and summarising these . Examples . - Assuming that Scots Pine crops on very good soil would measure 1180 cb . ft . at 20 years , 3410 ...
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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...