How many HP is that tractor, or make model? Doesn't look like you had any trouble pulling that 6 bottom ripper...?
A small amount of disturbance is not a problem nature also has disruption adding lime or gypsum and keeping animals will improve soil
What area of the country are you located at?
I'm in upstate South Carolina, Charlotte North Carolina area
Being a farmer and a landscape designer, installation and management for over 40 years
In our area we use K-31 fescue for farmland and for residential lawns all blends of fescue or all blends of summer grasses
So, I'm definitely experienced in growing grasses of all in our area
Sometimes I've been able to use same techniques in growing residential on our farmland and vice versa
When we use a ripper, the ripper is level with the back teeth lower in the ground, than what I observe in video unless video perception caused an illusion
After ripping we lime, fertilize, and sometimes overseed fescue in the fall
If the farmland was ripped previous year we may only core aerate ground if needed just like our residential lawns
Our soil is nothing but clay soil( alot of brick manufacturing plants around here) so our soil is easly compacted depending upon rainfall
We have green grasses for our cattle and green grasses for our happy residential customers by using our techniques
So, ripping (unless you rocky soil) definitely core aerating is definitely for soil in our part of the country
I’m curious, did you try drilling seed. I’m not a fan of broadcasting. You can probably rent a drill, or get one from your extension office.
This would have been the preferred option, however none of the county extensions in the area (3 county plus radius) have a drill and the local equipment dealers rarely have one on the lots.
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I'll save you the suspense. So far I am not impressed. Lack of rain is confounding my observations. It did however make getting step in posts easier in the compacted areas, but that only applies to exactly where the coulter and shank passed. I'm going to keep working with it. If it is possible to get a no-till drill and plant into those compacted areas, I would try that first.