Phosphorus
plants dark green, often developing purple or red color
nitrogen
generalized yellowing of of light green, and no necrotic spotting
Magnesium
localized chlorosis with interveinal chlorosis; leaves with red or with dead spots
Potassium
localized, no interveinal chlorosis, chlorotic areas with a burning of leaf margins; spotting sometimes along leaf margins
Molybdenum
generalized necrotic spotting on leaves, pale leaves sometimes scorched, cupped or rolled
Chloride
No interveinal chlorosis, distinct chlorotic and necrotic lesions with abrupt boundart between dead and live tissue
n, p, k, mg, mo, chloride
mobile nutrients
Boron
young leaves of terminal bud become light green at bases leaves become twisted and brittle and die back at growing point, chlorosis of new leaves
Calcium
young leaves of terminal bud typically hooked at first, finally turning brown and dying back
Zinc
middle leaves with interveinal chlorosis stunted growth
Iron
young leaves with interveinal chlorosis with sharp distinction between veins and chlorotic areas
Manganese
young leaves with interveinal chlorosis with no sharp distinction between veins and chlorotic areas