Stratification Period and Germination of Douglas-Fir Seed From Oregon Seed Orchards

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Excerpt from Stratification Period and Germination of Douglas-Fir Seed From Oregon Seed Orchards: Two Case StudiesSome Pacific Northwest seed plants and nurseries already stratify Douglas-fir seeds up to 13 weeks, so the recommendations are within the range of current practices. Because substrate temperature is such an important factor, spring sowing in most outdoor nurseries probably should include stratifying for at least 8 weeks to meet the above recommendations.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.

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