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You will learn about 'calibration', nozzle settings, droplet size, AI%, @ $80.00... but not much else...
The function and method of operation, of the herbicide, doesn't seem to be a part of it.
They can send you a tape/dvd of seminar lectures and a book. We had to travel to a larger city for the TEST itself.
Niether the licensing people, the extension offices, nor the horticultural colleges will teach discernment of the actual herbicides involved with your program... You are left to the mercy of the Drug Companies and their Salesmen for any and all information they are will to impart... Unless , of course, you are willing to research it yourself...
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Water/air ratio in relation to water flow to/from any plantlife is a Basic Fundamental Concept in understanding seed germination as much as transplanting a 20' Maple tree in 90 degree weather...
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