Forecasting seed crops and determining cone ripeness in southwestern ponderosa pine

An edition of Forecasting seed crops and determining cone ripeness in southwestern ponderosa pine (1978)

Forecasting seed crops and determining cone ripeness in southwestern ponderosa pine

By W. J. Rietveld

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Publish Date

1978

Publisher

Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Language

eng

Pages

Description:

subjects: Forest regeneration, Forest reproduction, Pine cones, Ponderosa pine, Sampling, Seeds

Places: Southwestern States