| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | seedling |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | One row of seedlings placed on a rack to measure the rooth penetration in the test tubes. The tubes were tilted 30 degrees from vertical when in the boxes so that roots would grow against the side of the tubes facing the observer. Study 1203.21 |
| Date: | 1966 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grasses seedling root competition |
| Location: | |
| Description: | Mountain muhly cover type plot planted with nine 2-0 ponderosa pine seedlings, one to each square foot. The black border is the upper edge of the plastic root barrier. The white tags indicate the location of some pine seedlings. |
| Date: | 1966 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grasses seedling root competition |
| Organisms: | ponderosa pine |
| Location: | |
| Description: | Ponderosa pine and arizona fescue plants washed from glass faced planter box at end of second growing season |
| Date: | 1966 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grasses seedling root competition |
| Organisms: | ponderosa pine |
| Location: | |
| Description: | Ponderosa pine seedlings removed from the arizona fescue grass at end of second growing season from a glass faced planter box |
| Date: | 1966 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grasses seedling root competition |
| Organisms: | ponderosa pine |
| Location: | |
| Description: | Ponderosa pine seedlings removed from the mountain muhlygrass at end of second growing season grown in glass faced planter boxes. Photo used as Fig 5B in MS |
| Date: | 1966 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grasses seedling root competition |
| Organisms: | ponderosa pine |
| Location: | |
| Description: | Ponderosa pine seedlings grown without grass in a glass faced planter box at end of second growing season. Used as Fig 6 in MS |
| Date: | 1966 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil seedling root competition |
| Location: | |
| Description: | General view of field layout for study 1203.16. Each 3'x3' subplot is protected by a 5' wire fence. Edward Applequist measuring soil moisture with a Coleman moisture meter |
| Date: | 1966 |







