Nutrient problem | Field | Greenhouse |
Normal | ||
N | ||
P | ||
K | ||
S | ||
Mg (see low pH) | ||
Cu | ||
Mn (see high pH) | ||
Zn | ||
Zn excess | ||
B | ||
B toxicity | ||
Low pH | ||
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