A procedure for forecasting western larch seed crops INT-RN-49

A procedure for forecasting western larch seed crops INT-RN-49

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Book Description

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UNITED STATES DEPARTMENT OF AGRICULTURE
FOREST SERVICE

INTERMOUNTAIN

FOREST & RANGE EXPERIMENT STATION
OGDEN

UTAH

U.S. Forest Service
Research Note INT -49

1966

A PROCEDURE FOR FORECASTING WESTERN LARCH SEED CROPS
Arthur L. Roe
Principal Silviculturist
ABSTRACT
Successful regeneration depends upon good coordination
between seed production and seedbed preparation. To
aid forest managers in scheduling seedbed preparation, a
simple sequential sampling plan for estimating potential
cone crops as much as a year in advance of the seed fall
was developed and is described herein. With advance
knowledge of the cone crop prospects, the manager can
schedule seedbed preparation or select an alternative
action such as postponing work or substituting planting.

The potential of a western larch seed crop can be estimated as much as a year in
advance of seed fall by samplin

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