It may be long after I'm dead and gone that this is realized and proven with change being as slow as it is......but I'm gonna go out on a limb now and say that carrying capacity if a function of soil OM% + %sunlight.....and in it has the most dramatic effects in the sandier soils

100% sunlight to the ground with a soil organic matter percentage of lets say 6% or better for now since we know that's obtainable.....not sure where the ceiling is at on that number.....this is maximized potential or close....Dont tell me it doesn't natter or make a difference......I can show you ten years worth of experiments that says it does.......and if it does in my field then it does on the soil on the rest of my property too......and if it matters across the whole property then it matters on my neighbors as well......and so on,,,,,,,The principles and concepts are the same. Managing soil OM % matters