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How to Sample Douglas-fir Tussock Moth Larvae

How to Sample Douglas-fir Tussock Moth Larvae PDF Author: Richard R. Mason
Publisher:
ISBN:
Category : Caterpillars
Languages : en
Pages : 20

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Book Description

How to Sample Douglas-fir Tussock Moth Larvae

How to Sample Douglas-fir Tussock Moth Larvae PDF Author: Richard R. Mason
Publisher:
ISBN:
Category : Caterpillars
Languages : en
Pages : 20

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Book Description

Agriculture Handbook

Agriculture Handbook PDF Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 16

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Book Description
Set includes revised editions of some issues.

How to Sample Douglas-fir Tussock Moth Larvae

How to Sample Douglas-fir Tussock Moth Larvae PDF Author: Richard Randolph Mason
Publisher:
ISBN:
Category :
Languages : en
Pages : 15

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Book Description

Douglas-fir tussock moth handbook

Douglas-fir tussock moth handbook PDF Author: Richard R. Mason
Publisher:
ISBN:
Category : Douglas fir tussock moth
Languages : en
Pages : 15

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Book Description

Sampling Low Density Populations of the Douglas-fir Tussock Moth by Frequency of Occurrence in the Lower Tree Crown

Sampling Low Density Populations of the Douglas-fir Tussock Moth by Frequency of Occurrence in the Lower Tree Crown PDF Author: Richard R. Mason
Publisher:
ISBN:
Category : Douglas-fir tussock moth
Languages : en
Pages : 16

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Book Description

Agriculture Handbook

Agriculture Handbook PDF Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 12

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Book Description
Set includes revised editions of some issues.

Detecting Suboutbreak Populations of the Douglas-fir Tussock Moth by Sequential Sampling of Early Larvae in the Lower Tree Crown

Detecting Suboutbreak Populations of the Douglas-fir Tussock Moth by Sequential Sampling of Early Larvae in the Lower Tree Crown PDF Author: Richard R. Mason
Publisher:
ISBN:
Category : Douglas-fir tussock moth
Languages : en
Pages : 16

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Book Description
A sequential sampling plan is described for identifying tussock moth populations which, at a maximum expected rate of increase, could be within 1 year of outbreak status. The plan uses a new technique of sampling early larvae by the nondestructive examination of lower crown foliage. Larvae at inconspicuous low densities are classified into relatively low or high categories by their frequency of occurrence on foliage samples. The sampling plan is applied independently on individual plots to classify the density of each plot. It is an appropriate method for quickly screening suboutbreak populations in ground evaluation surveys.

Forecasting Outbreaks of the Douglas-fir Tussock Moth from Lower Crown Cocoon Samples

Forecasting Outbreaks of the Douglas-fir Tussock Moth from Lower Crown Cocoon Samples PDF Author:
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 20

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Book Description

Douglas-fir Tussock Moth Handbook

Douglas-fir Tussock Moth Handbook PDF Author: B. E. Wickman
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description

Monitoring Larval Populations of the Douglas-fir Tussock Moth and the Western Spruce Budworm on Permanent Plots

Monitoring Larval Populations of the Douglas-fir Tussock Moth and the Western Spruce Budworm on Permanent Plots PDF Author: Richard R. Mason
Publisher:
ISBN:
Category : Douglas fir tussock moth
Languages : en
Pages : 32

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Book Description