Hunger Signs in Crops

 

 

Following are links to exceptional color plates out of this classical 1949 publication

 

 

         Nitrogen deficiency symptoms

         Phosphorus deficiency symptoms

         Potassium deficiency symptoms

         Calcium deficiency symptoms

         Magnesium deficiency symptoms

         Boron deficiency symptoms

         Manganese deficiency symptoms

         Copper and iron deficiency symptoms

         Zinc and Sulfur deficiency symptoms