Pamphlets on Forestry, Volume 121991 |
From inside the book
Results 1-3 of 79
Page 68
... stand under methods 1 and 2 , but only in the very wettest situations where water stands on the surface until late in the spring . On even moderately wet ground the stand is poor , while where the drainage is good scarcely a spear of ...
... stand under methods 1 and 2 , but only in the very wettest situations where water stands on the surface until late in the spring . On even moderately wet ground the stand is poor , while where the drainage is good scarcely a spear of ...
Page 38
... stand of suitable kinds of trees secures this shading and prevents the surface evaporation of soil moisture , making it available for wood production . But a close stand also cuts off side light and confines the lateral growing space ...
... stand of suitable kinds of trees secures this shading and prevents the surface evaporation of soil moisture , making it available for wood production . But a close stand also cuts off side light and confines the lateral growing space ...
Page 46
... stand must then be reduced sufficiently to carry the difference and maintain the average profit which is deemed ... stand of California timber : Sugar pine ( 30 per cent of stand ) .. Yellow pine ( 35 per cent of stand ) .. White fir ...
... stand must then be reduced sufficiently to carry the difference and maintain the average profit which is deemed ... stand of California timber : Sugar pine ( 30 per cent of stand ) .. Yellow pine ( 35 per cent of stand ) .. White fir ...
Contents
Object of the publication | 9 |
Description of the different lines of investigationContinued | 12 |
Wood distillation | 25 |
78 other sections not shown
Common terms and phrases
acres amount annual appraisals average bark brush burning capital cent cooperation cost cover creosote crop Department of Agriculture depreciation determine diameter district Division of Forestry Douglas fir effect Engelmann spruce equipment Experiment Station farm farmers fibers fixed investments forage forest land forest reserves Forest Service Fort Bayard furnish germination grade grazing ground growth important improvements inches investigations investment loblolly pine lodgepole pine longleaf pine lookout lumber material ment methods miles mill moisture mountain National Forests operation owners patrol piling plantations planting poles practical present profit protection railroad range rangers red spruce region reproduction season secure seedlings sheep silvicultural slope soil sowing spark arresters species spring spruce streams studies stumpage sugar pine supply Telephone Company thousand feet timber tion trail trees warden white fir white pine wood lot yellow pine