As hobby science, I aerated one sqft of soil with a soil probe, 12 holes per square foot, one-inch diameter, about 3 inches deep, removing the cores. I aerated a second sqft and left the cores in place, plus added the cores from the first square foot.
I then seeded tall fescue on top of the soil cores and holes.
Secondly, I added a pinch of seed (about 20) to each open hole where cores had been removed.
Not-irrigated. Weather was warm and rain was light.
After three weeks, a few sprouts emerged from the holes that had been seeded. No sprouts were visible where the seed was scattered on top of the cores.
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I then seeded tall fescue on top of the soil cores and holes.
Secondly, I added a pinch of seed (about 20) to each open hole where cores had been removed.
Not-irrigated. Weather was warm and rain was light.
After three weeks, a few sprouts emerged from the holes that had been seeded. No sprouts were visible where the seed was scattered on top of the cores.
