K is only for when soil temps are suitable for active growth. The irrigation side is a seasonal, blanket rule I follow. I don't change that ever. I feel it would work in most all soil types. Dry is Dry, Wet is Wet know mater how deep you dig.
I asked for a root system picture. But have yet to see. In my area nematodes are always actively disabling root activity as well as disallowing the proper development of healthy root tissue. Especially when the tissue is so damaged from poor soil attention. Any time we have strong stress in St. Aug nematodes are present. The root structure will surly dictate recovery ability and time.
The actual amount of time to irrigate would be dictated by the amount of water any given system outputs vs the soils rate of absorption. All else apply blanket. IMHO.
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