What does it do?
Important for production of many enzymes responsible for key metabolic reactions. Is also essential for chlorophyll production.
What do you see?
Chlorosis beginning in older growth, and leaf shape distortion especially in the leaf tip. In extreme cases, upper leaves become chlorotic and lower leaves can turn brown, purple and die.
What can you do?
Foliar spray with a micronutrient solution such as Spray-N-Grow, kelp extract or Mineral Matrix.