Pamphlets on Forestry, Volume 121991 |
From inside the book
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Page 68
... spring work produced especially good results . The advantage of spring seed - spot sowing is doubtless due to the fact that the preparation and loosening up of the soil conserves the moisture found therein in the early part of the year ...
... spring work produced especially good results . The advantage of spring seed - spot sowing is doubtless due to the fact that the preparation and loosening up of the soil conserves the moisture found therein in the early part of the year ...
Page 69
... Spring .. 42 Summer . 59 Fall . 10 Spring . 549 307 Summer 805 395 22005 Per cent . 22 5 10 100 28 ° 15 57 Spring .. 56 Summer . 45 Spring .. 209 Summer 186 133 Fall . 52 Planting direct from nursery .... Spring . Planting , foreign ...
... Spring .. 42 Summer . 59 Fall . 10 Spring . 549 307 Summer 805 395 22005 Per cent . 22 5 10 100 28 ° 15 57 Spring .. 56 Summer . 45 Spring .. 209 Summer 186 133 Fall . 52 Planting direct from nursery .... Spring . Planting , foreign ...
Page 88
The total germination from spring sowing again exceeds that from work in the fall ; in spring , the heaviest germination comes from the poisoned area , while in fall work it comes from the unpoisoned area . The only comparison possible ...
The total germination from spring sowing again exceeds that from work in the fall ; in spring , the heaviest germination comes from the poisoned area , while in fall work it comes from the unpoisoned area . The only comparison possible ...
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