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Controlling the Proportion of Summerwood in Longleaf Pine

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It is not enough to know how to increase the volume growth of trees; the properties of the resultant wood must also be considered. The influence of artificial irrigation and fertilizing upon diameter growth and on the proportion of springwood and summerwood, the latter an indicator of density and strength in the case of conifers, was studied by the author. He found such treatment to increase the rate of diameter growth and the proportion of summerwood. Although such artificial treatment is hardly practicable, the experiment indicates that silvicultural measures should be designed to develop forest conditions favorable to the retention of natural moisture and to building up the soil fertility.
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Document Type: Journal Article

Affiliations: Silviculturist, and Assistant Physiological Plant Anatomist, Forest Products Laboratory, U. S. Forest Service

Publication date: 1931-05-01

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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.

    2016 Impact Factor: 1.675 (Rank 20/64 in forestry)

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