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Use of Herbicides for Planting Site Preparations in the Southwest

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Competing vegetation, especially perennial grass, takes soil moisture that is needed to reproduce ponderosa pine in the Southwest. Soil moisture trends were followed on herbicide-sprayed, scalped, and untreated plots near Flagstaff, Ariz., in 1961 and 1962. The study area was almost completely occupied by Arizona fescue and mountain muhly. Soil moisture was significantly higher on herbicide-sprayed plots, particularly for the 0- to 8-inch zone, than on the scalped or untreated plots. The differences were greater during an abnormally dry season than during a normal one.

Document Type: Journal Article

Affiliations: Associate Silviculturist, Rocky Mountain Forest and Range Expt. Sta., U. S. Forest Service, stationed at Flagstaff, Ariz., in cooperation with Northern Arizona University

Publication date: July 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.
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