| 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 root competition |
| Location: | |
| Description: | Measuring soil with electrical resistance blocks at about midday. Photo shows Edward Applequist taking the readings as record with a Coleman moisture meter (Ref. Study 1203.16 "Nature and the effects of competition between Ponderosa pine seedlings and gra |
| 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 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | root competition |
| Location: | Fort Valley Exp. Station; AZ; USA |
| Description: | Growth Decline |
| Date: | 10/1944 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
root competition sample plot |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | Root Competition |
| Date: | 11/1942 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
root competition sample plot |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | Root Competition |
| Date: | 11/1942 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grasses seedling root competition |
| Organisms: | ponderosa pine |
| Location: | |
| Description: | Ponderosa pine and mountain muhly plants washed from glass faced planter box at end of second growing season |
| Date: |