| Category | Mineral Nutrition |
| Subject | Zinc |
| Title | Zinc Deficiency on ‘Hass’ |
| Description | Zinc Deficiency, ‘Hass’ variety leaf symptoms; note leaf symptoms in middle of photo. Warren Ranch, Carpinteria, CA. |
| Location | Carpinteria, CA |
| Date | July, 1956 |
| Source | George E. Goodall |
| Larger Picture | 1000 x 672 (65 kb) |
