The Variability of Paper Birch Seed Production, Dispersal, and Germination (Classic Reprint) - Softcover

Bjorkborn, John C.

 
9780365519997: The Variability of Paper Birch Seed Production, Dispersal, and Germination (Classic Reprint)

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Excerpt from The Variability of Paper Birch Seed Production, Dispersal, and Germination

There appears to be no relationship between time of dispersal and size of seed crop; and in both the Maine and New Hampshire stands the bulk of the seed was dispersed every year before the ground was snow-covered. There is an advantage in this: seed dispersed on prepared seedbeds before snow falls will be held in place; seed falling on snow-covered seedbeds might be blown off.

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9780365520054: The Variability of Paper Birch Seed Production, Dispersal, and Germination (Classic Reprint)

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ISBN 10:  0365520055 ISBN 13:  9780365520054
Verlag: Forgotten Books, 2018
Hardcover