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Results of Southern Pine Planting Experiments Established in the Middle Twenties

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Results at 30 years in southeastern Louisiana plantations of four species of pines showed that genotypes (either species or seedling grades), spacings, and soils consistently and materially affected survival, growth, and yield, and sometimes incidence of disease. (Root pruning, type of planting tool, and exact date of planting had, by contrast, negligible effects on any variable observed.) Slash and loblolly pines outyielded longleaf and shortleaf but were far more susceptible to fusiform rust. In all four species, wide spacings excelled close spacings, and Grade 1 slash and loblolly seedlings significantly excelled Grade 3 seedlings, except that neither spacing nor grade affected degree of rust infection. Growth tended to be poorer on Myatt very fine sandy loam than on four better-drained soils.

Document Type: Journal Article

Affiliations: Retired Member of the Forest Service, U. S. Dept. Agric.

Publication date: April 1, 1969

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  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.

    2015 Impact Factor: 1.476
    Ranking: 22 of 66 in forestry

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