Pamphlets on Forestry, Volume 121991 |
From inside the book
Results 1-3 of 76
Page 61
... reproduction over balsam in mixed stands of these two species . To determine the method of cutting most likely to favor Engelmann spruce reproduction where it occurs in mixture with lodgepole pine . To determine the comparative merits ...
... reproduction over balsam in mixed stands of these two species . To determine the method of cutting most likely to favor Engelmann spruce reproduction where it occurs in mixture with lodgepole pine . To determine the comparative merits ...
Page 62
... Reproduction on burns ... Pole and sapling competi- tion . disposal upon natural reproduction . To determine the cost and method of brush disposal . To determine the effect of the removal of brush upon the development of seedlings . To ...
... Reproduction on burns ... Pole and sapling competi- tion . disposal upon natural reproduction . To determine the cost and method of brush disposal . To determine the effect of the removal of brush upon the development of seedlings . To ...
Page 72
... reproduction , and less than one - half of this , or 25 per cent of the whole area , will produce a forest as good as the one cut . On the areas which contain only an irregular reproduction and which have been swept by fires it will ...
... reproduction , and less than one - half of this , or 25 per cent of the whole area , will produce a forest as good as the one cut . On the areas which contain only an irregular reproduction and which have been swept by fires it will ...
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