Browsing by collection: year:
The Morton Arboretum 1981 Plant Selections (3.106936)
Date: 1981Type: Document
Description:A 1981 plant selections available for the Members' Cooperative Research Program.
Extent: 1 sheet
Members' Cooperative Research Program Suggestions for Handling Plants (3.106937)
Date: 1981Type: Document
Description:Suggestions for planting and a feedback sheet given with plants distributed to the Members' Cooperative Research Program in 1981.
Extent: 1 sheet
Review of Major Programs, 1981 (3.108587)
Date: 1981Type: Document
Description:An update for Morton Arboretum members on programs within the departments - Collections, Grounds, Education, Research, and the Sterling Morton Library. This update was issued in lieu of the Spring, 1981 Newsletter.
Extent: 16 pages in booklet form
Selecting Trees for Clay Soils (3.114636)
Date: 1981 – 1982Creator: Ware, George
Type: Article
Description:discusses considerations for planting trees in clay soils: mixing of top soil with clay soil on construction sites; springtime wetness; flatness/drainage of the landscape; alkalinity of the soil; and choice of tolerant species. Published by Purdue University Cooperative Extension Service.
Extent: 5 pages
A Glimpse of Research Activities at the Morton Arboretum (3.114695)
Date: January 27 1981Creator: Ware, George
Type: Article
Description:Summary of a talk presented for the Illinois Urban Forestry Training Meeting at the Morton Arboretum, January 27, 1981 covering the focus of Arboretum's woody plant research program.
Extent: 1 sheet, double sided
1981/03/03: Jeff Dawson to George Ware (3.38659)
Date: March 3 1981Creator: Dawson, Jeffrey O.
Type: Document
Description:Letter from Jeff Dawson, Assistant Professor of Forestry at University of Illinois at Urbana-Champaign to George Ware discussing an outline of proposed research concerning the low soil oxygen tolerance (with mention of ethanol and flood tolerance) of maple and oak trees.
Enclosed with letter
An Ethanol Tree-Seedling Assay: A Potential Method to Screen Trees for Tolerance to Low Soil Oxygen Conditions Resulting from Soil Compaction and Paving. Review of current literature and proposal for two experiments to examine oxygen deficiency and ethanol tolerance in tree seedling roots. The results would be used in the creation of an tree survivability index which would be of use in flood prone areas or compacted urban and recreational sites.
Extent: 7 sheets, 1 envelope