Emergent Seedlings from Coniferous Litter and Soil in Eastern Oregon
1976
Strickler, Gerald S. | Edgerton, Paul J.
Seedlings emerging from litter and soil samples from three mixed conifer forests were observed for 1 yr in the greenhouse. A total of 536 seedlings emerged from litter, 0— to 2—cm and 2— to 4—cm soil depth samples subjected to 28 degrees C, 60 degrees C, 80 degrees C, and 100 degrees C heat treatments, and from 28 degrees C treated samples under 80% and 92% shade treatments. Identification included 29 pieces of forbs, four grasses, one sedge, and four shrubs; no conifer seedlings emerged. A significant majority of seedlings emerged from litter, and most were species which produce abundant windborne seed. Only Epilobium watsonii Barbey seedlings showed a significant reduction in their emergence under shade. Applicability of the results to postlogging management is suggested.
Show more [+] Less [-]AGROVOC Keywords
Bibliographic information
This bibliographic record has been provided by National Agricultural Library