Pamphlets on Forestry, Volume 121991 |
From inside the book
Results 1-3 of 87
Page 36
... species of the type and the species whose range is extended into that type . In other words , can we not create temporary types in reforestation more valuable than the natural types ? To answer this question , two experiments have been ...
... species of the type and the species whose range is extended into that type . In other words , can we not create temporary types in reforestation more valuable than the natural types ? To answer this question , two experiments have been ...
Page 57
... species to local conditions and the behavior of less common species in artificial planting . To determine the best season and the best methods for sowing and planting important species on favorable and unfavorable sites . To determine ...
... species to local conditions and the behavior of less common species in artificial planting . To determine the best season and the best methods for sowing and planting important species on favorable and unfavorable sites . To determine ...
Page 46
... species of different lumber values are not desirable . They may prove inequitable if the proportion of species in the cut differs from that in the estimate ; and they tend to make close utilization of inferior species covered by the ...
... species of different lumber values are not desirable . They may prove inequitable if the proportion of species in the cut differs from that in the estimate ; and they tend to make close utilization of inferior species covered by the ...
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