The movement of air through and around the upper bud zone of a cannabis plant; adequate airflow reduces humidity pockets that promote powdery mildew and bud rot.
Dakota identified reduced airflow in the greenhouse compared to open-air outdoor as a likely reason greenhouse plants had more powdery mildew: 'there must just be less air flow in that sun it's crazy to see a few more issues in here than we even seen in a full outdoor test.'
Discussed in: Ep 003