Browsing by Subject/Keyword: century:
Soil core sample on left, roots revealed after washing (3.4543)
Date: 1980sType: Photographic image
Description:Soil core sample on left, roots revealed after washing
Extent: 1 photograph
Roots research, tree stump with roots (3.4544)
Date: 1988Type: Photographic image
Description:Roots research, tree stump with roots
Extent: 1 photograph
Vials with root samples after washing (3.4546)
Date: March 21 – June 20 1987Creator: Kohout, John
Type: Photographic image
Description:Vials with root samples after washing
Extent: 1 photograph
Dr. Gary Watson working in lab (3.5202)
Date: 1980sType: Photographic image
Description:Dr. Gary Watson working in lab
Extent: 1 photograph
Acer platanoides (Norway maple), trunk (3.38067)
Date: April 1969Creator: Crowley Jr., Webster R.
Type: Photographic image
Description:Acer platanoides (Norway maple), base of tree trunk and exposed shallow root system of Norway maple planted in parkway between sidewalk and street
Extent: 1 slide
Research crew operating a hydropneumatic elutriation root washing system in laboratory (3.4497)
Date: 1990sCreator: Kohout, John
Type: Photographic image
Description:Research crew operating a hydropneumatic elutriation root washing system in laboratory
L to R: Web Crowley, Tony Sanda (volunteer), Gary Watson, Jack Dieckmann (volunteer)
Extent: 1 photograph
Collaborative researchers from Northern Illinois University and Arboretum staff study root-system-nutrient interrelationships (3.4530)
Date: 1982 – 1983Creator: Kohout, John
Type: Photographic image
Description:Collaborative researchers from Northern Illinois University and Arboretum staff study root-system-nutrient interrelationships
Bottom left to right: Mike Duet, Mike Connor, Rick Hootman
Extent: 1 photograph
Root profiles of sugar maples comparing roots in competition with grass and in naturally mulched areas (3.4541)
Date: 1988Type: Photographic image
Description:Root profiles of sugar maples comparing roots in competition with grass and in naturally mulched areas
Extent: 1 photograph
Root system development (3.4542)
Date: 1980sType: Photographic image
Description:Root system development, comparing deep rich soil on the left with well-developed roots throughout the 16 inch profile, and old agricultural soil on the right with a compacted layer at 8 inches showing limited root development
Extent: 1 photograph
Populus deltoides (eastern cottonwood), rooting (3.37719)
Date: August 1973Type: Photographic image
Description:Populus deltoides (eastern cottonwood), rooting
Extent: 1 slide
Pinus resinosa (Red Pine), root (3.61388)
Date: May 1968Creator: Duerr, J.
Type: Photographic image
Description:Pinus resinosa (Red Pine), root