1-6 of 6 Books

Geographic variation in speed of seed germination in central Oregon ponderosa pine (Pinus ponderosa Dougl. ex Laws)
By J.C. Weber

Effect of season on germination and early survival
By Lake States Forest Experiment Station (Saint Paul, Minn.)

Viability of balsam fir seed depends on age of tree
By John W. Benzie

Effects of cold stratification and hydrogen peroxide treatments on seeds of three Rocky Mountain Conifer species
By L.R. Fuller

Effect of prescribed burning on soil moisture and germination of southwestern ponderosa pine seed on basaltic soils
By S.M. Haase

Herbicide and fire effects on leafy spurge density and germination
By G.L. Wolters