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 13
... larvæ and chrysalids are eagerly devoured when found hibernating in the soil . Damage may be prevented or reduced to a minimum if herds of swine are confined to old woods , where the tree - roots are not likely to be injured , and if ...
... larvæ and chrysalids are eagerly devoured when found hibernating in the soil . Damage may be prevented or reduced to a minimum if herds of swine are confined to old woods , where the tree - roots are not likely to be injured , and if ...
Side 39
... larvæ of saw - flies , is small as compared with the damage they often cause . Protection against Squirrels . - Squirrels may be trapped , but shooting them is the best way of keeping them in check . The best time is while nesting in ...
... larvæ of saw - flies , is small as compared with the damage they often cause . Protection against Squirrels . - Squirrels may be trapped , but shooting them is the best way of keeping them in check . The best time is while nesting in ...
Side 53
... larvæ . Life - History of Insects . - Insects ( Insecta ) belong to the class of animals having jointed feet ... larvæ . Those of most beetles are called grubs - e.g . , as in the case of cockchafers ( Melolontha ) ; the sixteen ...
... larvæ . Life - History of Insects . - Insects ( Insecta ) belong to the class of animals having jointed feet ... larvæ . Those of most beetles are called grubs - e.g . , as in the case of cockchafers ( Melolontha ) ; the sixteen ...
Side 54
... larvæ of sawflies with their tail- like extremities are named tailed caterpillars ; while the larvæ of flies ( Diptera ) , which have neither feet nor any complex structure of the head , are called maggots . The larvæ of many beetles ...
... larvæ of sawflies with their tail- like extremities are named tailed caterpillars ; while the larvæ of flies ( Diptera ) , which have neither feet nor any complex structure of the head , are called maggots . The larvæ of many beetles ...
Side 59
... larvæ , without hairy or protective covering , are sensitive to damp cold weather , and are killed off in large numbers when moulting their skins . Warm and dry weather , stumps remaining in the ground after heavy falls of timber ...
... larvæ , without hairy or protective covering , are sensitive to damp cold weather , and are killed off in large numbers when moulting their skins . Warm and dry weather , stumps remaining in the ground after heavy falls of timber ...
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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...