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Diameter Growth of Loblolly Pine Trees as Affected by Soil-Moisture Availibility

Informally Refereed

Abstract

In a 30-year-old even-aged stand of loblolly pine on a site 90 loessial soil in southeast Arkansas during foul growing seasons, most trees on plots thinned to 125 square feet of basal area per acre increased in basal area continuously when, under the crown canopy, available water in the surface foot remained above 65 percent. Measurable diameter growth ceased when available water under crowns was less than 40 percent and daily potential evapotranspiration exceeded 0.24 inch of water. Trees on plots thinned to 55 square feet of basal area per acre grew continuously.

Citation

Bassett, John R. 1964. Diameter Growth of Loblolly Pine Trees as Affected by Soil-Moisture Availibility. Res. Pap. SO-9. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 7 p.
https://www.fs.usda.gov/research/treesearch/2456