Growth of Douglas-fir, ponderosa pine, and western larch seedlings following seed treatment with 30 percent hydrogen peroxide
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| Description | [Portland, Or.] :Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service,[1970] | U.S. Department of Agricul |
| Author/s |
author: James Martin Trappe |
| Publication date | 1970 |
| Language | English |
| Country of origin | |
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| Missing/wrong data? | Edit Wikidata item |