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Controlled field test of stabilized pyrethrins against the western hemlock looper
Content Provider | Internet Archive |
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Author | Mason, Richard R Pacific Northwest Forest and Range Experiment Station (Portland, Or.) |
Organization | U.S. Department of Agriculture, National Agricultural Library |
Language | English |
Publisher | [Portland, Or.] : Pacific Northwest Forest and Range Experiment Station, U.S. Forest Service |
Publisher Date | 1970-01-01 |
Access Restriction | Open |
Subject Keyword | Pyrethrins Hemlock looper State Mount Baker National Forest Pyrethrins Biodegradation Washington Hemlock looper Effect of chemicals on Washington |
Content Type | Text |
Resource Type | Book |