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Filtering by: Keyword Post-stratification Academic Affiliation College of Forestry

Pumice as a medium for stratifying tree seeds

Creator:

Berry, Dick Wallace, 1914- and Oregon State Board of Forestry

Resource Type:

Technical Report

Full Text:

are generally recognized as the basic stratification media, have led to the testing of other materials
Stratified Douglas fir seed sown in April, May and June

Creator:

Gartz, Jack Frederick and Oregon State Board of Forestry

Resource Type:

Technical Report

Full Text:

----------------------------------- ._.----- .------- .--------------------- 10 7 Stratification Conditions