Influence of Date of Cone Collection on Douglas-fir Seed Processing and Germination

Auteur : Brian R. Wall, David R. Darr, David V. Sandberg, Donald L. Olson (Agroforester), Francis R. Herman, Frederick John Swanson, Jack Ward Thomas, O. Eugene Hickman, Paul E. Aho, Ronald Eugene Dick, Thomas A. Snellgrove, Thomas Daniel Fahey, Thomas E. Hamilton, Valentine M. Carolin, Walter G. Dahms, Ward W. Carson

Date de publication : 1974

Éditeur : U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

Nombre de pages : 10