Catalog Record: Forecasting seed crops and determining cone ripeness in southwestern ponderosa pine | Hathi Trust Digital Library

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Forecasting seed crops and determining cone ripeness in southwestern ponderosa pine / W.J. Rietveld.

Main Author:	Rietveld, W. J.
Language(s):	English
Published:	[Fort Collins, Colo.] : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1978.
Subjects:	Ponderosa pine > Southwestern States. Pine cones > Southwestern States > Sampling. Forest regeneration > Southwestern States. Ponderosa pine > Southwestern States > Seeds.
Note:	"January 1978."
Physical Description:	12 p. : ill. ; 23 cm.
Original Format:	Book
Locate a Print Version:	Find in a library

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