Sampling Populations of Western Spruce Budworm and Predicting Defoliation on Douglas-fir in Eastern Oregon PDF Download
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Author: Valentine M. Carolin
Publisher:
ISBN:
Category : Aerial photography in forestry
Languages : en
Pages : 44
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Author: Valentine M. Carolin
Publisher:
ISBN:
Category : Aerial photography in forestry
Languages : en
Pages : 44
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Author: Valentine M. Carolin
Publisher: Forgotten Books
ISBN: 9781390871586
Category : Business & Economics
Languages : en
Pages : 54
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Excerpt from Sampling Populations of Western Spruce Budworm and Predicting Defoliation on Douglas-Fir in Eastern Oregon A cluster design appeared to be the best solution for sampling these stages. For low, medium, and high populations, number and size of clusters per stand and number of stands were determined for means with an acceptable sampling error of 20 percent, at p z 0. 05, and also other precision and confidence levels. Sampling requirements were particularly great for low egg populations and medium populations of larvae in buds. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.
Author: Brian R. Wall
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 15
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Author: Brian R. Wall
Publisher:
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Category : Douglas fir
Languages : en
Pages : 30
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Author:
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 38
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Author: Valentine M. Carolin
Publisher:
ISBN:
Category : Abies grandis
Languages : en
Pages : 24
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Author: Richard R. Mason
Publisher:
ISBN:
Category : Douglas fir tussock moth
Languages : en
Pages : 32
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Author: Geral I. McDonald
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 12
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Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 526
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Author: J. M. Schmid
Publisher:
ISBN:
Category : Defoliation
Languages : en
Pages : 12
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