Douglas-Fir Cone and Seed Insect Research: Progress Report, 1959 (Classic Reprint) - Rilegato

Koerber, Thomas W.

 
9780267091621: Douglas-Fir Cone and Seed Insect Research: Progress Report, 1959 (Classic Reprint)

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Excerpt from Douglas-Fir Cone and Seed Insect Research: Progress Report, 1959

Data were Obtained on the attack periods of the various insects, on the relative amounts of damage caused by each species, and on the intensity of interspecific competition. The data obtained about the attack periods of the insects corroborates the information obtained by cone dissections.

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9780483303348: Douglas-Fir Cone and Seed Insect Research: Progress Report, 1959 (Classic Reprint)

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ISBN 10:  0483303348 ISBN 13:  9780483303348
Casa editrice: Forgotten Books, 2018
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