You have a very valid point. I can defiantly see the microbes in the soil utilizing the nutrients and water in the same way which the plants do. A common law of nature, I see it as you have to take care of and preserve the soil and it's micro's as if they were a human. Just like in our lives, the more healthier practices we have, the better we have a chance of fighting of diseases, sickness, and so on. If we have enough healthy micro's in the soil that are steadily getting fed a steady supply of nutrients, the good micro's will be there to take care of the bad organisms that can in fact cause "sickness" or "diseases" in our turf. However, the question boils down to something similar to the nature of humans. How much nutrients is needed to keep the soil healthy? How much is a healthy balance of water? While keeping a steady supply of OM in the soil, I tend to think the life under the soil will be much healthier, especially during the "thriving" months, as oppose to if I would have spread the OM material out over a longer period or a more gaped period, I believe it would be just like ensuring we have plenty of food in our belly, then me deciding to starve myself. Which in theory, would make me susceptible to sickness or "illness", which would kill the good micro's in the soil that's needed. I believe if you keep a constant supply through the "thriving" months the soil structure will gradually become healthier. Where does the water come into play? Just like humans, water is healthy for us, while we can also drown ourselves or become "bloated" from too much water. Which not only becomes bad for the grass itself, but also for the soil as you said. Of coarse water is a needed nutrient, but too much will indeed make less available oxygen, which explains the areas of compacted dirt, which would also kill off the needed organisms in our soil. I think having the correct or sufficient amounts of nutrients in the soil during the thriving months will indeed be very healthy to the soil and it's structure, while you most defiantly have to make the water/oxygen levels balanced, without "stressing" or making the soil structure become "ill." I can clearly understand both your standpoint and agrostics standpoint, too much water can be just as detrimental to the grass and soil structure as too little water. As you stated, the best way to check and keep this balance in line, is by checking the soil yourself. When I created my schedule, I tried to balance out the nutrients through the "most needed" times of the year in order to balance the nutrients under the soil and keep the needed micro's alive throughout the year, which indeed I believe will lead to a more disease resistant and healthier turf. While I did create a schedule, I clearly understand a schedule can never do a lawn justice, because the soil needs to be monitored constantly to clearly see exactly what is needed, just similar to having a small child in the house. We become accustom to knowing when our children our hungry or thirsty, the same goes with the soil. We must become accustom to knowing the needs of our soil and how much water is needed to create that "healthy" balance. While I agree, in my "draw up schedule", I had too much water, however this is an outline, I will be indeed watching the soil much more closely than simply looking at a "schedule" or piece of "paper."
Another thing I've learned is while the soil structure and the grass on top "work together" to create a beautiful art piece, they function together, but more more or less have their own "duties". Without balancing out the nitrogen for beautiful "art" we see, the art won't be so beautiful. But without the proper balance of nutrients in the structure below that piece of "art", that "artwork" won't look so healthy, and most importantly will NOT be healthy or very disease resistant, which is what we need to fight off all of them things we dread, brown patch, fungus, and the list goes on.
So as I stated earlier, it all boils down to the soil structure, available nutrients, too much water, too little water, you see how a little or too much of either contributes to such a substantial difference in the health of our lawn, thus why we see so many turfs inquire so many different problems. There's a broad spectrum of balancing and understanding of soil structure to preserve a healthy turf and simply following a schedule won't do justice, but following an ideal schedule, while closely monitoring the soil and understanding the needs of our "baby" will provide a healthy, beautiful, and disease resistant piece of "art."
It's excellent to have a place where people take so much of a passion in what they do and especially that don't mind sharing their knowledge and perspective of things. Living in different climates we all agree, we will encounter different "needs" to build a healthy overall structure, there also will be same basic principles we have to follow, the same thing with raising our younger children, we have to fill those "basic" needs in order for them to survive. Children have been around for a long time and mostly everyone understand their basic needs, sometimes it takes others who think the same way with our lawns + soils to understand the "basic needs" of our lawns, soils, and the living things under our soils to live and work effectively. I appreciate you guys sharing your views, pointing things out, problems you encounter, and most importantly sharing your "knowledge and views."