Soil Fertility Training

Nutrient Deficiency Image Collection - Crozier 12/22/06

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Soybean

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

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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