Nursery and Field Evaluation of Compost-Grown Conifer Seedlings


Three conifer species-- Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), noble fir (Abies procera Rehd.), and ponderosa pine (Pinus ponderosa Dougl. ex Laws.)-- were grown in four levels (control, 2, 4, and 6 inches) of composted sludge. Seedlings given the 2- and 4-inch treatments showed the best response after the first year in the nursery. Of the three species, Douglas-fir seedlings responded best. Immobilization of nutrients and heavy metal accumulations resulting from compost application are discussed. Tree Planters' Notes 38(2):22-27; 1987.
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Publication Tree Planters' Notes
Section General
Author Mark Coleman, Joan Dunlap, David Dutton, Caroline Bledsoe
Published 1987/04/15
Volume 38
Number 2
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