i dont recall where i did and when i did see it it wasnt a schedule or anything just a piece of info claming there is a part in the book focusing on the defol feeding schedule or some stuff. again i dont implement the technique so you should read the book imo
did a quick google search this was the first result for example
A guide to schwazzing: What is it? How will it benefit your cannabis plant? When and how should you apply it? Discover all you need to know.
homegrowncannabisco.com