Tobacco Nutrient Deficiency / Toxicity Diagnostic Key

[deluxestogie]

This is a diagnostic key to nutrient deficiencies and toxicity of tobacco, by NCSU:

Tobacco Diagnostic Key | p1 | NC State

Its index (the two initial pages) show a general image for each nutrient, then clicking on a particular one leads to a detail page with extensive photos and discussion.

Bob

 

[drinkthekoolaid]

Good find!