Soil Fertility Training
Nutrient Deficiency Image Collection - Crozier 12/22/06
Corn
| Nutrient problem | Field | Greenhouse |
| Normal |  |
 |
| N |   |
 |
| P |   |
 |
| K |  |
 |
| S |  |
 |
| Mg (see low pH) |  field 1 pbrs 2006.jpg) |
|
| Cu |  |
 |
| Mn (see high pH) |  g |
 |
| Zn |   |
  |
| Zn excess |  |
|
| B | ||
| B toxicity |  |
|
| Low pH |  field 2 pbrs 2006.jpg) |
|
| High pH |
All photos by C.R. Crozier unless otherwise indicated.
Laboratory analysis results are courtesy of Dr. David H. Hardy and Brenda Cleveland, Agronomic Services Division, North Carolina Department of Agriculture & Consumer Services.
For more information, contact Carl R. Crozier, Assoc. Prof. & Extension Specialist N.C. State Univ. Soil Science Dept. V.G. James Center 207 Research Station Rd Plymouth, NC 27962 252-793-4428 ext 134