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Improvements to grading tables and root pruners 1
Plantation spacing and site conditions 12
Seedling storage in refrigerator cars 20
22 other sections not shown
applied Authority STATE Soil average bed density chemical chlorosis cial class of ownership cones conifer damage Division of Forestry Douglas-fir effect FEDERAL PUBLIC feet fertilizer foliage Forest Industry Commer Forest Nursery FOREST TREE NURSERIES fumigation germination grafting growing season height growth herbicide inches Indented initial letter lings Literature Cited loblolly pine longleaf longleaf pine method methyl bromide moisture mulch mycorrhizae nitrogen Number Number nursery bed nursery stock nursery's Nurseryman Percent Percent pine seedlings Pinus place its initial plantable seedlings plantations planting stock plots ponderosa pine production PUBLIC OTHER PRIVATE red pine samples seedbed seedbed density seedlings per square shelterbelt shipped shortleaf pine Simazine slash pine Soil Cons soil fumigants species square foot storage stratified Superintendent State Forester survival tion TMTD Total treatment Tree Planters tree seed Trizone U.S. Forest Serv Vapam weed control white pine white spruce windbarrier yellow-poplar