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Preliminary Report on a Study of Races in Black Walnut

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Are there geographic races of black walnut that must be taken into account in procuring seed for forest planting, or local races or individual variations that can be utilized to improve timber or nut production? A test of seed from several points within each of three broad climate zones indicates that all three types of variation may occur.

Document Type: Journal Article

Affiliations: Geneticist, Northeastern Forest Experiment Station, Upper Darby, Pa., Maintained by the Forest Service, U. S. Dept. Agric.

Publication date: September 1, 1954

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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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